Updated on 2023/12/26

写真a

 
IWASAKI Masako
 
Organization
Graduate School of Science Department of Physics Associate Professor
School of Science Department of Physics
Title
Associate Professor
Affiliation
Institute of Science
Affiliation campus
Sugimoto Campus

Position

  • Graduate School of Science Department of Physics 

    Associate Professor  2022.04 - Now

  • School of Science Department of Physics 

    Associate Professor  2022.04 - Now

Degree

  • Ph.D ( Nara Women's University )

  • 修士(理学) ( Nara Women's University )

Research Areas

  • Natural Science / Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics  / 高エネルギー物理学

  • Natural Science / Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics

Research Interests

  • 加速器

  • 素粒子実験

Professional Memberships

  • 低温工学・超電導学会

      Domestic

  • 日本加速器学会

      Domestic

  • 日本物理学会

      Domestic

Committee Memberships (off-campus)

  • 男女共同参画推進委員会 委員   日本物理学会  

    2022.04 - Now 

  • 将来計画検討委員会 委員   高エネルギー物理学研究者会議  

    2021.10 - Now 

  • 会誌編集委員   日本物理学会  

    2008.09 - 2010.08 

  • 領域世話人(運営委員)   日本物理学会  

    2006.11 - 2007.10 

Awards

  • 第6回 女性研究者特別賞[岡村賞]

    岩崎 昌子

    2019.12   大阪市立大学  

  • 第10回 守田科学研究奨励賞

    岩崎 昌子

    2008.05   大学婦人協会  

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    Country:Japan

Job Career (off-campus)

  • Kobe University   Part-time Lecture (Intensive Lecture)

    2023.12

  • Osaka University   Research Center for Nuclear Physics   Specially Appointed Professor

    2023.09 - Now

  • Osaka University   Institute for Datability Science   Visiting Professor

    2023.05 - Now

  • Osaka University   Research Center for Nuclear Physics   Visiting Professor

    2023.04 - 2023.08

  • Osaka University   Research Center for Nuclear Physics   Visiting Associate Professor

    2023.03

  • Osaka University   Institute for Datability Science   Specially Appointed Associate Professor

    2019.04 - 2023.02

  • Osaka University   Research Center for Nuclear Physics   Specially Appointed Associate Professor

    2018.03 - 2023.02

  • High Energy Accelerator Research Organization (KEK)   Associate Professor

    2010.04 - 2016.03

  • University of Tokyo   Graduate School of Science   Assistant Professor

    2004.04 - 2010.03

  • University of Tokyo   International Center for Elementary Particle Physics   Research Associate

    2002.04 - 2004.03

  • University of Oregon   Research Associate

    1997 - 2002

  • Stanford Linear Accelerator Center (SLAC)   Visiting Postdoctoral Fellow

    1997

  • High Energy Accelerator Research Organization (KEK)   Researcher

    1996 - 1997

▼display all

Education

  • Nara Women's University   Doctor's Course   Graduated/Completed

    1993.04 - 1996.03

  • Nara Women's University   Master's Course   Graduated/Completed

    1991.04 - 1993.03

  • Nara Women's University     Graduated/Completed

    1987.04 - 1991.03

Papers

  • First Observation of Λ π + and Λ π − Signals near the ¯ K N ( I = 1 ) Mass Threshold in Λ + c → Λ π + π + π − Decay Reviewed International coauthorship

    Y. Ma et al. (Belle Collaboration)

    Physical Review Letters   130 ( 15 )   151903   2023.04

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevLett.130.151903

  • Measurement of lepton mass squared moments in B → X c ℓ ¯ ν ℓ decays with the Belle II experiment Reviewed International coauthorship

    F. Abudinén et al. (Belle II Collaboration)

    Physical Review D   107 ( 7 )   072002   2023.04

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.072002

  • Two-particle angular correlations in e+e− collisions to hadronic final states in two reference coordinates at Belle Reviewed International coauthorship

    Y.-C. Chen et. al. [Belle Collaboration]

    JHEP   03 ( 171 )   2023.03

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1007/JHEP03(2023)171

  • Search for X ( 3872 ) → π + π − π 0 at Belle Reviewed International coauthorship

    J. H. Yin et al. (Belle Collaboration)

    Physical Review D   107 ( 5 )   052004   2023.03

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.052004

  • Observation of e + e − → ω χ b J ( 1 P ) and Search for X b → ω Υ ( 1 S ) at √ s near 10.75 GeV Reviewed International coauthorship

    I. Adachi et al. (Belle II Collaboration)

    Physical Review Letters   130 ( 9 )   091902   2023.03

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevLett.130.091902

  • Measurement of the branching fraction and search for CP violation in D0 → KS0 KS0 π+ π- decays at Belle Reviewed International coauthorship

    A.~Sangal et. al. [Belle Collaboration]

    Physical Review D   107 ( 5 )   052001   2023.03

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.052001

  • Angular analysis of the low K + K − invariant mass enhancement in B + → K + K − π + decays Reviewed International coauthorship

    C.-L. Hsu et al. (Belle Collaboration)

    Physical Review D   107 ( 3 )   032013   2023.02

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.032013

  • Measurement of the B + / B 0 production ratio in e + e − collisions at the Υ ( 4 S ) resonance using B → J / ψ ( ℓ ℓ ) K decays at Belle Reviewed International coauthorship

    S. Choudhury et al. (Belle Collaboration)

    Physical Review D   107 ( 3 )   L031102   2023.02

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.L031102

  • Measurement of the Ω 0 c lifetime at Belle II Reviewed International coauthorship

    F. Abudinén et al. (Belle II Collaboration)

    Physical Review D   107 ( 3 )   L031103   2023.02

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.L031103

  • Search for a Dark Photon and an Invisible Dark Higgs Boson in μ + μ − and Missing Energy Final States with the Belle II Experiment Reviewed International coauthorship

    F. Abudinén et al. (Belle II Collaboration)

    Physical Review Letters   130 ( 7 )   071804   2023.02

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevLett.130.071804

  • Measurement of the Λ + c Lifetime Reviewed International coauthorship

    F. Abudinén et al. (Belle II Collaboration)

    Physical Review Letters   130 ( 7 )   071802   2023.02

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevLett.130.071802

  • Search for rare decays B + → D ( * ) + s η , D ( * ) + s ¯ K 0 , D + η , and D + K 0 Reviewed International coauthorship

    M. Kumar et al. (The Belle Collaboration)

    Physical Review D   107 ( 3 )   L031101   2023.02

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.L031101

  • Measurement of the branching fraction of Ξ 0 c → Λ + c π − at Belle Reviewed International coauthorship

    S. S. Tang et al. (Belle Collaboration)

    Physical Review D   107 ( 3 )   032005   2023.02

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.032005

  • Measurement of the branching fractions for Cabibbo-suppressed decays D + → K + K − π + π 0 and D + ( s ) → K + π − π + π 0 at Belle Reviewed International coauthorship

    L. K. Li et al. (Belle Collaboration)

    Physical Review D   107 ( 3 )   033003   2023.02

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.033003

  • First search for the weak radiative decays Λ + c → Σ + γ and Ξ 0 c → Ξ 0 γ Reviewed International coauthorship

    Y. Li et al. (Belle Collaboration)

    Physical Review D   107 ( 3 )   L032001   2023.02

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.032001

  • Development of a vertex finding algorithm using Recurrent Neural Network Reviewed

    K. Goto, et.al.

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   1047   167836   2023.02( ISSN:01689002

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1016/j.nima.2022.167836

  • Measurement of two-photon decay width of χc2(1P) in γγ → χc2(1P) → J/ψγ at Belle Reviewed International coauthorship

    Y.Seino et. al. [Belle Collaboration]

    JHEP   01 ( 160 )   2023.01

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1007/JHEP01(2023)160

  • Search for the decay Bs0 → π0 π0 at Belle Reviewed International coauthorship

    J. Borah et. al. [Belle Collaboration]

    Physical Review D   107 ( 5 )   L051101   2023.01

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.L051101

  • Evidence of a New Excited Charmed Baryon Decaying to Σ c ( 2455 ) 0 , + + π ± Reviewed International coauthorship

    Y. B. Li et al. (Belle Collaboration)

    Physical Review Letters   130 ( 3 )   031901   2023.01

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevLett.130.031901

  • Evidence for the singly Cabibbo-suppressed decay Ω0c→Ξ−π+ and search for Ω0c→Ξ−K+ and Ω−K+ decays at Belle Reviewed International coauthorship

    X.Han et. al. [Belle Collaboration]

    JHEP   01 ( 055 )   2023.01

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1007/JHEP01(2023)055

  • Measurements of the branching fractions B(B0 → D*+ π-) and B(B0 → D*+K-) and tests of QCD factorization Reviewed International coauthorship

    J.F. Krohn et. al. [Belle Collaboration]

    Physical Review D   107 ( 1 )   012003   2023.01

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.012003

  • Measurement of the mass and width of the Λc(2625)+ charmed baryon and the branching ratios of Λc(2625)+ --> Σc0 π+ and Λc(2625)+ --> Σc++ π- Reviewed International coauthorship

    D. Wang et. al. [Belle Collaboration]

    Physical Review D   107 ( 3 )   032008   2022.12

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.032008

  • Measurement of branching fractions of Λ_c^+→pK_S^0K_S^0 and Λ_c^+→pK_S^0η at Belle Reviewed International coauthorship

    L.K. Li et. al. [Belle Collaboration]

    Physical Review D   107 ( 3 )   032004   2022.10

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.107.032004

  • Search for the decay B 0 s → η ′ K 0 S Reviewed International coauthorship

    T. Pang et al. (Belle Collaboration)

    Physical Review D   106 ( 5 )   L051103   2022.09( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.106.L051103

  • Search for the radiative penguin decays B0 → KS0 KS0 γ in the Belle experiment Reviewed International coauthorship

    H. B. Jeon et al. (Belle Collaboration)

    Physical Review D   106 ( 1 )   012006   2022.07( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.106.012006

  • Search for Z′ →μ+μ- in the Lμ-Lτ gauge-symmetric model at Belle Reviewed International coauthorship

    T. Czank et al. (Belle Collaboration)

    Physical Review D   106 ( 1 )   012003   2022.07( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.106.012003

  • Study of γγ →γψ (2S) at Belle Reviewed International coauthorship

    Wang X.L. et.al. (Belle Collaboration)

    Physical Review D   105 ( 11 )   2022.06( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.105.112011

  • Search for charged lepton flavor violating decays of ϒ (1S) Reviewed International coauthorship

    S. Patra et. al. [Belle Collaboration]

    JHEP   05 ( 095 )   2022.05

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1007/JHEP05(2022)095

  • First test of lepton flavor universality in the charmed baryon decays ωc0 → ω-ℓ+νℓ using data of the Belle experiment Reviewed International coauthorship

    Li Y.B. et.al. (Belle Collaboration)

    Physical Review D   105 ( 9 )   2022.05( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.105.L091101

  • Search for charged lepton flavor violating decays of ϒ (1S) Reviewed International coauthorship

    Patra S. et.al. (Belle Collaboration)

    Journal of High Energy Physics   2022 ( 5 )   2022.05

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1007/JHEP05(2022)095

  • Developments of control system for ion source using machine learning Invited Reviewed

    Morita Y. et. al.

    Journal of Physics: Conference Series   2244 ( 1 )   2022.04( ISSN:17426588

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work   International / domestic magazine:International journal  

    DOI: 10.1088/1742-6596/2244/1/012105

  • An improved search for the electric dipole moment of the τ lepton Reviewed International coauthorship

    K. Inami, et. al. (Belle Collaboration)

    Journal of High Energy Physics   4 ( 110 )   2022.04

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1007/JHEP04(2022)110

  • Measurement of Two-Particle Correlations of Hadrons in e + e − Collisions at Belle Reviewed International coauthorship

    Y.-C. Chen et al. (Belle Collaboration)

    Physical Review Letters   128 ( 14 )   142005   2022.04

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevLett.128.142005

  • First measurement of the Λ+c → pη′ decay Reviewed International coauthorship

    S.X. Li et. al. [Belle Collaboratio]

    JHEP   03 ( 090 )   2022.03

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1007/JHEP03(2022)090

  • Search for B0 meson decays into Λ and missing energy with a hadronic tagging method at Belle Reviewed International coauthorship

    Hadjivasiliou C., et.al. [Belle Collaboration]

    Physical Review D   105 ( 5 )   2022.03( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.105.L051101

  • Search for a Light Higgs Boson in Single-Photon Decays of Υ ( 1 S ) Using Υ ( 2 S ) → π + π − Υ ( 1 S ) Tagging Method Reviewed International coauthorship

    S. Jia et al. (Belle Collaboration)

    Physical Review Letters   128 ( 8 )   081804   2022.02( ISSN:00319007

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevLett.128.081804

  • Search for tetraquark states Xcc s- s- in Ds+ Ds+ (Ds∗+ Ds∗+) final states at Belle Reviewed International coauthorship

    Gao X.Y., et.al. [Belle Collaboration]

    Physical Review D   105 ( 3 )   2022.02( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1103/PhysRevD.105.032002

  • Combined analysis of Belle and Belle II data to determine the CKM angle ϕ <inf>3</inf> using B <sup>+</sup> → D(KS0 h <sup>+</sup> h <sup> −</sup>)h <sup>+</sup> decays Reviewed International coauthorship

    Abudinén F., et.al. (The Belle and Belle II collaborations)

    Journal of High Energy Physics   2022 ( 2 )   2022.02

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1007/JHEP02(2022)063

  • Search for the decay Bs0→ηη Reviewed

    B. Bhuyan, K. J. Nath, J. Borah, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, H. Atmacan, V. Aulchenko, T. Aushev, R. Ayad, V. Babu, I. Badhrees, A. M. Bakich, P. Behera, J. Bennett, V. Bhardwaj, T. Bilka, J. Biswal, A. Bobrov, A. Bozek, M. Bračko, T. E. Browder, M. Campajola, D. Červenkov, V. Chekelian, A. Chen, B. G. Cheon, K. Chilikin, K. Cho, S.-K. Choi, Y. Choi, S. Choudhury, D. Cinabro, S. Cunliffe, N. Dash, F. Di Capua, S. Di Carlo, Z. Doležal, T. V. Dong, S. Dubey, S. Eidelman, J. E. Fast, T. Ferber, B. G. Fulsom, V. Gaur, N. Gabyshev, A. Garmash, A. Giri, P. Goldenzweig, B. Golob, J. Haba, T. Hara, O. Hartbrich, K. Hayasaka, H. Hayashii, W.-S. Hou, T. Iijima, K. Inami, G. Inguglia, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, W. W. Jacobs, S. Jia, Y. Jin, D. Joffe, K. K. Joo, A. B. Kaliyar, K. H. Kang, G. Karyan, T. Kawasaki, H. Kichimi, C. Kiesling, D. Y. Kim, H. J. Kim, K. T. Kim, S. H. Kim, K. Kinoshita, P. Kodyš, S. Korpar, D. Kotchetkov, P. Križan, R. Kroeger, P. Krokovny, R. Kumar, A. Kuzmin, Y.-J. Kwon, J. S. Lange, J. K. Lee, J. Y. Lee, S. C. Lee, C. H. Li, L. K. Li, Y. B. Li, L. Li Gioi, J. Libby, K. Lieret, D. Liventsev, P.-C. Lu, T. Luo, J. MacNaughton, C. MacQueen, M. Masuda, D. Matvienko, M. Merola, K. Miyabayashi, H. Miyata, R. Mizuk, G. B. Mohanty, T. Mori, R. Mussa, T. Nakano, M. Nakao, M. Nayak, M. Niiyama, N. K. Nisar, S. Nishida, K. Ogawa, S. Ogawa, H. Ono, Y. Onuki, P. Pakhlov, G. Pakhlova, B. Pal, T. Pang, S. Pardi, H. Park, S. Patra, S. Paul, T. K. Pedlar, R. Pestotnik, L. E. Piilonen, V. Popov, E. Prencipe, M. Ritter, A. Rostomyan, G. Russo, Y. Sakai, M. Salehi, S. Sandilya, L. Santelj, T. Sanuki, V. Savinov, O. Schneider, G. Schnell, J. Schueler, C. Schwanda, A. J. Schwartz, Y. Seino, K. Senyo, M. E. Sevior, V. Shebalin, C. P. Shen, J.-G. Shiu, E. Solovieva, M. Starič, T. Sumiyoshi, W. Sutcliffe, M. Takizawa, U. Tamponi, K. Tanida, F. Tenchini, K. Trabelsi, M. Uchida, T. Uglov, Y. Unno, S. Uno, P. Urquijo, Y. Usov, S. E. Vahsen, R. Van Tonder, G. Varner, A. Vossen, C. H. Wang, M.-Z. Wang, P. Wang, J. Wiechczynski, E. Won, S. B. Yang, H. Ye, J. H. Yin, Y. Yusa, Z. P. Zhang, V. Zhilich, V. Zhukova

    Physical Review D   105 ( 1 )   2022.01( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)  

    We report results from a search for the decay B-s(0) -> eta eta using 121.4 fb(-1) of data collected at the Upsilon(5S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We do not observe any signal and set an upper limit on the branching fraction of 14.3 x 10(-5) at 90% confidence level. This result represents a significant improvement over the previous most stringent limit.

    DOI: 10.1103/physrevd.105.012007

    Other URL: http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevD.105.012007/fulltext

  • Study of B¯0→D+h−(h=K/π) decays at Belle Reviewed

    E. Waheed, P. Urquijo, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, H. Atmacan, V. Aulchenko, T. Aushev, S. Bahinipati, P. Behera, K. Belous, J. Bennett, M. Bessner, V. Bhardwaj, B. Bhuyan, T. Bilka, J. Biswal, A. Bobrov, D. Bodrov, J. Borah, A. Bozek, M. Bračko, P. Branchini, T. E. Browder, A. Budano, M. Campajola, D. Červenkov, M.-C. Chang, P. Chang, A. Chen, B. G. Cheon, K. Chilikin, H. E. Cho, K. Cho, S.-J. Cho, S.-K. Choi, Y. Choi, S. Choudhury, D. Cinabro, S. Cunliffe, S. Das, G. De Nardo, G. De Pietro, R. Dhamija, F. Di Capua, Z. Doležal, T. V. Dong, D. Epifanov, T. Ferber, D. Ferlewicz, B. G. Fulsom, R. Garg, V. Gaur, N. Gabyshev, A. Giri, P. Goldenzweig, B. Golob, E. Graziani, T. Gu, Y. Guan, K. Gudkova, C. Hadjivasiliou, S. Halder, O. Hartbrich, K. Hayasaka, H. Hayashii, W.-S. Hou, C.-L. Hsu, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, W. W. Jacobs, S. Jia, Y. Jin, K. K. Joo, A. B. Kaliyar, K. H. Kang, H. Kichimi, C. H. Kim, D. Y. Kim, K.-H. Kim, K. T. Kim, Y.-K. Kim, K. Kinoshita, P. Kodyš, T. Konno, A. Korobov, S. Korpar, E. Kovalenko, P. Križan, R. Kroeger, P. Krokovny, M. Kumar, R. Kumar, K. Kumara, Y.-J. Kwon, Y.-T. Lai, J. S. Lange, M. Laurenza, S. C. Lee, J. Li, L. K. Li, Y. B. Li, L. Li Gioi, J. Libby, K. Lieret, D. Liventsev, C. MacQueen, M. Masuda, T. Matsuda, M. Merola, F. Metzner, K. Miyabayashi, R. Mizuk, G. B. Mohanty, R. Mussa, M. Nakao, A. Natochii, L. Nayak, M. Nayak, M. Niiyama, N. K. Nisar, S. Nishida, S. Ogawa, H. Ono, P. Oskin, P. Pakhlov, G. Pakhlova, T. Pang, H. Park, S.-H. Park, A. Passeri, S. Patra, S. Paul, T. K. Pedlar, R. Pestotnik, L. E. Piilonen, T. Podobnik, V. Popov, E. Prencipe, M. T. Prim, M. Röhrken, A. Rostomyan, N. Rout, G. Russo, D. Sahoo, S. Sandilya, L. Santelj, T. Sanuki, V. Savinov, G. Schnell, C. Schwanda, A. J. Schwartz, Y. Seino, K. Senyo, M. E. Sevior, M. Shapkin, C. Sharma, C. P. Shen, J.-G. Shiu, F. Simon, J. B. Singh, A. Sokolov, E. Solovieva, M. Starič, Z. S. Stottler, J. F. Strube, M. Sumihama, T. Sumiyoshi, W. Sutcliffe, M. Takizawa, U. Tamponi, K. Tanida, F. Tenchini, K. Trabelsi, M. Uchida, T. Uglov, Y. Unno, K. Uno, S. Uno, Y. Usov, S. E. Vahsen, R. Van Tonder, G. Varner, K. E. Varvell, A. Vinokurova, C. H. Wang, E. Wang, M.-Z. Wang, P. Wang, X. L. Wang, J. Wiechczynski, E. Won, B. D. Yabsley, W. Yan, S. B. Yang, H. Ye, J. Yelton, J. H. Yin, Y. Yusa, Z. P. Zhang, V. Zhilich, V. Zhukova

    Physical Review D   105 ( 1 )   2022.01( ISSN:2470-0010

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    We present a measurement of the branching fractions of the Cabibbo favored (B) over bar (0) -> D+pi(-) and the Cabibbo suppressed (B) over bar (0) -> D+K- decays. We find B((B) over bar (0) -> D+pi(-)) = (2.48 +/- 0.01 +/- 0.09 +/- 0.04) x 10(-3) and B((B) over bar (0) -> D+K-) = (2.03 +/- 0.05 +/- 0.07 +/- 0.03) x 10(-4) decays, where the first uncertainty is statistical, the second is systematic, and the third uncertainty is due to the D+ -> K-pi(+)pi(+) branching fraction. The ratio of branching fractions of (B) over bar (0) -> D+K- and (B) over bar (0) -> D+pi(-) is measured to be R-D = [8.19 +/- 0.20(stat) +/- 0.23(syst)] x 10(-2). These measurements are performed using the full Belle dataset, which corresponds to 772 x 10(6) B (B) over bar pairs and use the Belle II software framework for data analysis.

    DOI: 10.1103/physrevd.105.012003

    Other URL: http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevD.105.012003/fulltext

  • Study of e+e−→ϒ(1S,2S)η and e+e−→ϒ(1S)η′ at s=10.866  GeV with the Belle detector Reviewed

    E. Kovalenko, A. Garmash, P. Krokovny, I. Adachi, H. Aihara, D. M. Asner, V. Aulchenko, T. Aushev, R. Ayad, V. Babu, S. Bahinipati, P. Behera, J. Bennett, M. Bessner, T. Bilka, J. Biswal, A. Bobrov, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, M. Campajola, L. Cao, D. Červenkov, M.-C. Chang, B. G. Cheon, K. Chilikin, H. E. Cho, K. Cho, S.-J. Cho, S.-K. Choi, Y. Choi, S. Choudhury, D. Cinabro, S. Cunliffe, S. Das, G. De Nardo, F. Di Capua, Z. Doležal, T. V. Dong, S. Eidelman, D. Epifanov, T. Ferber, A. Frey, B. G. Fulsom, R. Garg, V. Gaur, N. Gabyshev, A. Giri, P. Goldenzweig, D. Greenwald, K. Gudkova, C. Hadjivasiliou, T. Hara, K. Hayasaka, W.-S. Hou, C.-L. Hsu, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, M. Iwasaki, W. W. Jacobs, Y. Jin, K. K. Joo, G. Karyan, H. Kichimi, C. Kiesling, C. H. Kim, D. Y. Kim, K.-H. Kim, S. H. Kim, Y.-K. Kim, K. Kinoshita, P. Kodyš, T. Konno, A. Korobov, S. Korpar, P. Križan, R. Kroeger, T. Kuhr, M. Kumar, R. Kumar, K. Kumara, A. Kuzmin, Y.-J. Kwon, K. Lalwani, J. S. Lange, S. C. Lee, Y. B. Li, L. Li Gioi, J. Libby, K. Lieret, D. Liventsev, C. MacQueen, M. Masuda, T. Matsuda, D. Matvienko, M. Merola, F. Metzner, K. Miyabayashi, R. Mizuk, G. B. Mohanty, M. Nakao, A. Natochii, L. Nayak, M. Niiyama, N. K. Nisar, S. Nishida, K. Ogawa, S. Ogawa, H. Ono, P. Oskin, P. Pakhlov, G. Pakhlova, S. Pardi, H. Park, S.-H. Park, S. Patra, S. Paul, T. K. Pedlar, R. Pestotnik, L. E. Piilonen, T. Podobnik, E. Prencipe, M. T. Prim, A. Rabusov, M. Röhrken, A. Rostomyan, N. Rout, G. Russo, D. Sahoo, Y. Sakai, S. Sandilya, A. Sangal, T. Sanuki, V. Savinov, G. Schnell, C. Schwanda, Y. Seino, K. Senyo, M. E. Sevior, C. Sharma, J.-G. Shiu, B. Shwartz, A. Sokolov, E. Solovieva, M. Starič, Z. S. Stottler, M. Sumihama, T. Sumiyoshi, W. Sutcliffe, M. Takizawa, U. Tamponi, K. Tanida, F. Tenchini, K. Trabelsi, M. Uchida, T. Uglov, Y. Unno, K. Uno, S. Uno, P. Urquijo, Y. Usov, R. Van Tonder, G. Varner, A. Vinokurova, E. Waheed, C. H. Wang, M.-Z. Wang, P. Wang, M. Watanabe, O. Werbycka, E. Won, W. Yan, S. B. Yang, H. Ye, J. H. Yin, Y. Yusa, Z. P. Zhang, V. Zhilich, V. Zhukova

    Physical Review D   104 ( 11 )   2021.12( ISSN:2470-0010

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    We report the first observation of the processes e(+)e(-) -> Upsilon(1S, 2S)eta at root s = 10.866 GeV, with significance exceeding 10 sigma for both processes. The measured Born cross sections are sigma(e(+)e(-) -> Upsilon(2S)eta) = 2.07 +/- 0.21 +/- 0.19 pb, and sigma(e(+)e(-) -> Upsilon(1S)eta) = 0.42 +/- 0.08 +/- 0.04 pb. We also set the upper limit on the cross section of the process e(+)e(-) -> Upsilon(1S)eta to be sigma(e(+)e(-) -> Upsilon(1S)eta') < 0.037 pb at 90% C.L. The results are obtained with the data sample collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider in the energy range from 10.63 to 11.02 GeV.

    DOI: 10.1103/physrevd.104.112006

    Other URL: http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevD.104.112006/fulltext

  • Search for B0 -> Tau +/- l -/+ (l = e, mu) with a hadronic tagging method at Belle Reviewed

    Atmacan H., Schwartz A. J., Kinoshita K., Adachi I, Adamczyk K., Aihara H., Al Said S., Asner D. M., Aulchenko V, Aushev T., Ayad R., Babu V, Bahinipati S., Bauer M., Behera P., Belous K., Bennett J., Bernlochner F., Bessner M., Bhardwaj V, Bhuyan B., Bilka T., Biswal J., Bobrov A., Bozek A., Branchini P., Browder T. E., Budano A., Campajola M., Cao L., Chang M-C, Chang P., Chekelian V, Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dash N., De Nardo G., De Pietro G., Dhamija R., Di Capua F., Dingfelder J., Dolezal Z., Dong T. V, Dubey S., Epifanov D., Ferber T., Ferlewicz D., Frey A., Fulsom B. G., Garg R., Gaur V, Gabyshev N., Garmash A., Giri A., Goldenzweig P., Graziani E., Greenwald D., Gu T., Guan Y., Gudkova K., Hadjivasiliou C., Halder S., Hara T., Hartbrich O., Hayasaka K., Hayashii H., Hou W-S, Hsu C-L, Inami K., Inguglia G., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jia S., Jin Y., Joo K. K., Kaliyar A. B., Kang K. H., Kato Y., Kawasaki T., Kiesling C., Kim C. H., Kim D. Y., Kim K-H, Kim S. H., Kim Y-K, Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kulasiri R., Kumara K., Kwon Y-J, Lai Y-T, Lange J. S., Laurenza M., Lee S. C., Li J., Li L. K., Li Y. B., Li Gioi L., Libby J., Lieret K., Liventsev D., MacQueen C., Masuda M., Matsuda T., Matvienko D., Merola M., Metzner F., Miyabayashi K., Mizuk R., Mohanty G. B., Mussa R., Nakao M., Natkaniec Z., Natochii A., Nayak L., Nayak M., Niiyama M., Nisar N. K., Nishida S., Ogawa S., Ono H., Onuki Y., Oskin P., Pakhlov P., Pakhlova G., Pardi S., Park H., Park S-H, Passeri A., Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Prencipe E., Prim M. T., Ripp-Baudot I, Rostomyan A., Rout N., Russo G., Sahoo D., Sandilya S., Sangal A., Santelj L., Sanuki T., Savinov V, Schnell G., Schueler J., Schwanda C., Seino Y., Senyo K., Sevior M. E., Shapkin M., Sharma C., Shen C. P., Shiu J-G, Simon F., Sokolov A., Solovieva E., Stottler Z. S., Sumihama M., Sumisawa K., Sumiyoshi T., Sutcliffe W., Tamponi U., Tanida K., Tao Y., Tenchini F., Trabelsi K., Uchida M., Uglov T., Unno Y., Uno K., Uno S., Urquijo P., Vahsen S. E., Van Tonder R., Varner G., Varvell K. E., Vinokurova A., Waheed E., Wang C. H., Wang E., Wang M-Z, Wang P., Wang X. L., Watanabe M., Watanuki S., Wiechczynski J., Won E., Yabsley B. D., Yan W., Yang S. B., Ye H., Yelton J., Yin J. H., Zhang Z. P., Zhilich V, Zhukova V

    PHYSICAL REVIEW D   104 ( 9 )   2021.11( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.104.L091105

  • Precise Measurement of the D-0 and D+ Lifetimes at Belle II Reviewed

    Abudinen F., Adachi I, Adamczyk K., Aggarwal L., Ahmed H., Aihara H., Akopov N., Aloisio A., Ky N. Anh, Asner D. M., Atmacan H., Aushev V, Babu V, Bacher S., Bae H., Baehr S., Bahinipati S., Bambade P., Banerjee Sw, Bansal S., Barrett M., Baudot J., Bauer M., Baur A., Becker J., Behera P. K., Bennett J. V, Bernieri E., Bernlochner F. U., Bertemes M., Bertholet E., Bessner M., Bettarini S., Bhardwaj V, Bianchi F., Bilka T., Bilokin S., Biswas D., Bobrov A., Bodrov D., Bolz A., Bozek A., Bracko M., Branchini P., Braun N., Briere R. A., Browder T. E., Budano A., Bussino S., Campajola M., Cao L., Casarosa G., Cecchi C., Chang M-C, Chang P., Cheaib R., Chekelian V, Chen C., Chen Y-T, Cheon B. G., Chilikin K., Chirapatpimol K., Cho H-E, Cho K., Cho S-J, Choi S-K, Choudhury S., Cinabro D., Corona L., Cremaldi L. M., Cunliffe S., Czank T., Dattola F., De la Cruz-Burelo E., de Marino G., De Nardo G., De Pietro G., de Sangro R., Destefanis M., Dey S., De Yta-Hernandez A., Di Canto A., Di Capua F., Dingfelder J., Dolezal Z., Dominguez Jimenez I, Dong T. V, Dorigo M., Dort K., Dossett D., Dubey S., Duell S., Dujany G., Ecker P., Epifanov D., Ferber T., Ferlewicz D., Finocchiaro G., Flood K., Fodor A., Forti F., Fulsom B. G., Gabrielli A., Gabyshev N., Gaz A., Gellrich A., Giakoustidis G., Giordano R., Giri A., Glazov A., Gobbo B., Godang R., Goldenzweig P., Golob B., Gradl W., Graziani E., Greenwald D., Gu T., Guan Y., Gudkova K., Guilliams J., Hadjivasiliou C., Halder S., Hara K., Hara T., Hartbrich O., Hayasaka K., Hayashii H., Hazra S., Hearty C., Heredia de la Cruz I, Villanueva M. Hernandez, Hershenhorn A., Higuchi T., Hill E. C., Hirata H., Hoek M., Hohmann M., Hsu C-L, Humair T., Iijima T., Inami K., Inguglia G., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jaffe D. E., Jang E-J, Jia S., Jin Y., Junkerkalefeld H., Kakuno H., Kaliyar A. B., Kandra J., Kang K. H., Karl R., Karyan G., Kato Y., Kawasaki T., Kiesling C., Kim C-H, Kim D. Y., Kim Y-K, Kim Y., Kimmel T. D., Kinoshita K., Kodys P., Koga T., Kohani S., Konno T., Korpar S., Kovalenko E., Kowalewski R., Kraetzschmar T. M. G., Krinner F., Krizan P., Krokovny P., Kuhr T., Kumar J., Kumar M., Kumar R., Kumara K., Kurz S., Kuzmin A., Kwon Y-J, Lacaprara S., Lalwani K., Lam T., Lanceri L., Lange J. S., Laurenza M., Lautenbach K., Le Diberder F. R., Lee S. C., Leitl P., Levit D., Li C., Li L. K., Libby J., Lieret K., Liptak Z., Liu Q. Y., Liventsev D., Longo S., Lueck T., Lyu C., Manfredi R., Manoni E., Marinas C., Martini A., Matsuda T., Matsuoka K., Matvienko D., McKenna J. A., Meier F., Merola M., Metzner F., Miller C., Miyabayashi K., Mizuk R., Mohanty G. B., Molina-Gonzalez N., Moon H., Moser H-G, Mrvar M., Murphy C., Mussa R., Nakamura I, Nakamura K. R., Nakao M., Nakazawa H., Natkaniec Z., Natochii A., Nazaryan G., Niebuhr C., Niiyama M., Nisar N. K., Nishida S., Nishimura K., Ogawa S., Onishchuk Y., Ono H., Onuki Y., Oskin P., Oxford E. R., Ozaki H., Pakhlov P., Paladino A., Pang T., Panta A., Paoloni E., Pardi S., Park H., Park S-H, Paschen B., Passeri A., Pathak A., Patra S., Paul S., Pedlar T. K., Peruzzi I, Peschke R., Pestotnik R., Pham F., Piccolo M., Piilonen L. E., Angioni G. Pinna, Podesta-Lerma P. L. M., Podobnik T., Pokharel S., Polat G., Popov V, Praz C., Prell S., Prencipe E., Prim M. T., Purohit M. V, Purwar H., Rad N., Rados P., Raiz S., Reiter S., Remnev M., Ripp-Baudot I, Rizzo G., Rizzuto L. B., Robertson S. H., Roney J. M., Rostomyan A., Rout N., Rozanska M., Sahoo D., Sanders D. A., Sandilya S., Sangal A., Santelj L., Sato Y., Savinov V, Scavino B., Schueler J., Schwanda C., Schwartz A. J., Seino Y., Selce A., Senyo K., Serrano J., Sfienti C., Shiu J-G, Shwartz B., Sibidanov A., Simon F., Sobie R. J., Soffer A., Sokolov A., Solovieva E., Spataro S., Spruck B., Staric M., Stefkova S., Stottler Z. S., Stroili R., Strube J., Sumihama M., Sutcliffe W., Suzuki S. Y., Svidras H., Tabata M., Takizawa M., Tamponi U., Tanaka S., Tanida K., Tanigawa H., Taniguchi N., Tenchini F., Tiwary R., Tonelli D., Torassa E., Toutounji N., Trabelsi K., Tsuboyama T., Ueda I, Uehara S., Uematsu Y., Uglov T., Unger K., Unno Y., Uno K., Uno S., Urquijo P., Ushiroda Y., Usov Y. V, Vahsen S. E., van Tonder R., Varner G. S., Vinokurova A., Vitale L., Vossen A., Waheed E., Wakeling H. M., Wang E., Wang M-Z, Wang X. L., Warburton A., Watanabe M., Welsch M., Wessel C., Wiechczynski J., Won E., Xu X. P., Yabsley B. D., Yamada S., Yan W., Yang S. B., Ye H., Yelton J., Yin J. H., Yoshihara K., Yusa Y., Zani L., Zhilich V, Zhou Q. D., Zhou X. Y., Zhukova V. I, Zlebcik R.

    PHYSICAL REVIEW LETTERS   127 ( 21 )   2021.11( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.127.211801

  • Search for B+ -> K+nu(nu)over-bar Decays Using an Inclusive Tagging Method at Belle H Reviewed

    Abudinen F., Adachi I, Adamczyk K., Ahlburg P., Aihara H., Akopov N., Aloisio A., Ky N. Anh, Asner D. M., Atmacan H., Aushev T., Aushev V, Baur A., Babu V, Baehr S., Bambade P., Banerjee Sw, Bansal S., Baudot J., Becker J., Behera P. K., Bennett J. V, Bernieri E., Bernlochner F. U., Bertemes M., Bertholet E., Bessner M., Bettarini S., Bianchi F., Bilka T., Biswas D., Bozek A., Bracko M., Branchini P., Braun N., Browder T. E., Budano A., Bussino S., Campajola M., Cao L., Casarosa G., Cecchi C., Cervenkov D., Chang P., Cheaib R., Chekelian V, Chen C., Chen Y-T, Cheon B. G., Chilikin K., Chirapatpimol K., Cho K., Cho S-J, Choudhury S., Cinabro D., Corona L., Cremaldi L. M., Cunliffe S., Czank T., Dattola F., De La Cruz-Burelo E., de Marino G., De Nardo G., De Nuccio M., De Pietro G., de Sangro R., Destefanis M., Dey S., De Yta-Hernandez A., Di Canto A., Di Capua F., Dingfelder J., Dolezal Z., Dominguez Jimenez I, Dong T. V, Dort K., Dubey S., Duell S., Dujany G., Eidelman S., Eliachevitch M., Epifanov D., Ferber T., Ferlewicz D., Fillinger T., Finocchiaro G., Fiore S., Fodor A., Forti F., Frey A., Fulsom B. G., Gabyshev N., Ganiev E., Garcia-Hernandez M., Garmash A., Gaur V, Gaz A., Gellrich A., Giordano R., Giri A., Glazov A., Gobbo B., Godang R., Goldenzweig P., Golob B., Grace P., Gradl W., Graziani E., Greenwald D., Guan Y., Gudkova K., Hadjivasiliou C., Halder S., Hara K., Hartbrich O., Hayasaka K., Hayashii H., Hazra S., Hearty C., Heredia de la Cruz I, Hernandez Villanueva M., Hershenhorn A., Higuchi T., Hill E. C., Hirata H., Hoek M., Hohmann M., Hsu C-L, Humair T., Iijima T., Inami K., Inguglia G., Jabbar J. Irakkathil, Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jackson P., Jacobs W. W., Jaffe D. E., Jin Y., Joo C., Junkerkalefeld H., Kaliyar A. B., Kandra J., Kang K. H., Karl R., Karyan G., Kawasaki T., Ketter C., Kichimi H., Kiesling C., Kim C-H, Kim D. Y., Kim Y-K, Kimmel T. D., Kodys P., Koga T., Kohani S., Konno T., Korobov A., Korpar S., Kovalenko E., Kraetzschmar T. M. G., Krinner F., Krizan P., Krokovny P., Kuhr T., Kumar J., Kumar M., Kumar R., Kumara K., Kunigo T., Kurz S., Kuzmin A., Kwon Y-J, Lacaprara S., Lai Y-T, La Licata C., Lanceri L., Lange J. S., Laurenza M., Lautenbach K., Le Diberder F. R., Lee S. C., Leitl P., Levit D., Lewis P. M., Li C., Li L. K., Li S. X., Li Y. B., Libby J., Lieret K., Liptak Z., Liu Q. Y., Liventsev D., Longo S., Lozar A., Lueck T., Lyu C., Maggiora M., Maity S., Manfredi R., Manoni E., Marcello S., Marinas C., Martini A., Masuda M., Matsuda T., Matsuoka K., Matvienko D., Meier F., Merola M., Metzner F., Milesi M., Miller C., Miyabayashi K., Miyake H., Mizuk R., Mohanty G. B., Moser H-G, Mrvar M., Muller F. J., Murphy C., Mussa R., Nakamura K. R., Nakao M., Natkaniec Z., Natochii A., Nayak M., Nazaryan G., Niebuhr C., Nisar N. K., Nishida S., Nishimura K., Ogawa S., Onishchuk Y., Ono H., Onuki Y., Oskin P., Ozaki H., Pakhlov P., Pakhlova G., Paladino A., Pang T., Panta A., Paoloni E., Pardi S., Park H., Park S-H, Paschen B., Passeri A., Pathak A., Patra S., Paul S., Pedlar T. K., Peruzzi I, Pestotnik R., Piccolo M., Piilonen L. E., Podesta-Lerma P. L. M., Podobnik T., Pokharel S., Polat G., Popov V, Praz C., Prell S., Prencipe E., Prim M. T., Rad N., Rados P., Raiz S., Remnev M., Ripp-Baudot I, Ritter M., Rizzo G., Rizzuto L. B., Robertson S. H., Rodriguez Perez D., Roney J. M., Rostomyan A., Rout N., Russo G., Sahoo D., Sanders D. A., Sandilya S., Sangal A., Santelj L., Sato Y., Savinov V, Scavino B., Schueler J., Schwanda C., Schwartz A. J., Seddon R. M., Seino Y., Selce A., Senyo K., Serrano J., Sevior M. E., Sfienti C., Shiu J-G, Shwartz B., Sibidanov A., Simon F., Sobie R. J., Soffer A., Sokolov A., Solovieva E., Spataro S., Spruck B., Stefkova S., Stottler Z. S., Stroili R., Sumihama M., Sumisawa K., Summers D. J., Sutcliffe W., Suzuki S. Y., Svidras H., Tabata M., Takahashi M., Takizawa M., Tamponi U., Tanaka S., Tanida K., Tanigawa H., Taniguchi N., Taras P., Tenchini F., Tonelli D., Torassa E., Toutounji N., Trabelsi K., Uchida M., Unno Y., Uno K., Uno S., Urquijo P., Ushiroda Y., Usov Y. V, Vahsen S. E., van Tonder R., Varner G. S., Varvell K. E., Vinokurova A., Vitale L., Wach B., Waheed E., Wakeling H. M., Abdullah W. Wan, Wang M-Z, Wang X. L., Warburton A., Watanuki S., Webb J., Welsch M., Wessel C., Wiechczynski J., Windel H., Xu X. P., Yabsley B. D., Yamada S., Yan W., Yang S. B., Ye H., Yelton J., Yin J. H., Yook Y. M., Yoshihara K., Yuan C. Z., Yusa Y., Zani L., Zhilich V, Zhou Q. D., Zhou X. Y., Zhukova V. I

    PHYSICAL REVIEW LETTERS   127 ( 18 )   2021.10( ISSN:0031-9007

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevLett.127.181802

  • Measurement of the branching fraction of Lambda(+)(c) -> p omega decay at Belle Reviewed

    Li S. X., Li L. K., Shen C. P., Adachi I, Aihara H., Al Said S., Asner D. M., Aushev T., Behera P., Belous K., Bennett J., Bessner M., Bhardwaj V, Bhuyan B., Bilka T., Biswal J., Bobrov A., Bodrov D., Borah J., Bozek A., Bracko M., Branchini P., Browder T. E., Budano A., Campajola M., Cervenkov D., Chang M-C, Chang P., Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Cho S-J, Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., De Nardo G., De Pietro G., Dhamija R., Di Capua F., Dolezal Z., Dong T. V, Epifanov D., Ferber T., Fulsom B. G., Garg R., Gaur V, Gabyshev N., Giri A., Goldenzweig P., Golob B., Graziani E., Gu T., Guan Y., Gudkova K., Hadjivasiliou C., Halder S., Hartbrich O., Hayasaka K., Hayashii H., Hou W-S, Hsu C-L, Iijima T., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jia S., Jin Y., Joo K. K., Kaliyar A. B., Kang K. H., Kato Y., Kichimi H., Kim C. H., Kim D. Y., Kim K-H, Kim K. T., Kim Y-K, Kinoshita K., Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kumar R., Kumara K., Kwon Y-J, Lai Y-T, Lange J. S., Laurenza M., Lee S. C., Li J., Li Y. B., Li Gioi L., Libby J., Lieret K., Liventsev D., MacQueen C., Masuda M., Matsuda T., Merola M., Miyabayashi K., Mizuk R., Mussa R., Nakao M., Natochii A., Nayak L., Nayak M., Niiyama M., Nisar N. K., Nishida S., Ogawa S., Ono H., Oskin P., Pakhlov P., Pakhlova G., Pang T., Park H., Park S-H, Patra S., Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Popov V, Prencipe E., Prim M. T., Rohrken M., Rostomyan A., Rout N., Russo G., Sahoo D., Sandilya S., Santelj L., Sanuki T., Savinov V, Schnell G., Schwanda C., Seino Y., Senyo K., Sevior M. E., Shapkin M., Sharma C., Shiu J-G, Simon F., Sokolov A., Solovieva E., Staric M., Stottler Z. S., Strube J. F., Sumihama M., Sumiyoshi T., Sutcliffe W., Takizawa M., Tamponi U., Tanida K., Tenchini F., Uchida M., Uglov T., Unno Y., Uno K., Uno S., Urquijo P., Usov Y., Vahsen S. E., Van Tonder R., Varner G., Vinokurova A., Waheed E., Wang C. H., Wang E., Wang M-Z, Wang P., Won E., Yabsley B. D., Yan W., Yang S. B., Ye H., Yelton J., Yin J. H., Yusa Y., Zhang Z. P., Zhilich V, Zhukova V

    PHYSICAL REVIEW D   104 ( 7 )   2021.10( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.104.072008

  • Search for lepton-flavor-violating tau-lepton decays to l gamma at Belle Reviewed

    Uno K., Hayasaka K., Inami K., Adachi I, Aihara H., Asner D. M., Atmacan H., Aushev T., Ayad R., Babu V, Bennett J., Bernlochner F., Bessner M., Bhardwaj V, Biswal J., Bobrov A., Bonvicini G., Bozek A., Bracko M., Campajola M., Cervenkov D., Chang M-C, Cho H. E., Cho K., Cho S-J, Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Dash N., Di Capua F., Dingfelder J., Dolezal Z., Dong T. V, Eidelman S., Epifanov D., Ferber T., Frey A., Fulsom B. G., Garg R., Gaur V, Gabyshev N., Garmash A., Giri A., Goldenzweig P., Hadjivasiliou C., Hara T., Hartbrich O., Hayashii H., Villanueva M. Hernandez, Hou W-S, Hsu C-L, Iijima T., Inguglia G., Ishikawa A., Itoh R., Iwasaki M., Jacobs W. W., Jin Y., Joo K. K., Kang K. H., Kato Y., Kichimi H., Kiesling C., Kim C. H., Kim D. Y., Kim K-H, Kim S. H., Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kumar M., Kumar R., Kumara K., Kuzmin A., Kwon Y-J, Lai Y-T, Lange J. S., Lee S. C., Li Y. B., Li Gioi L., Libby J., Lieret K., Liventsev D., MacQueen C., Masuda M., Matsuoka K., Matvienko D., Merola M., Metzner F., Miyabayashi K., Mizuk R., Mohanty G. B., Nakao M., Nakazawa H., Natochii A., Nayak L., Niiyama M., Nisar N. K., Nishida S., Nishimura K., Ogawa K., Ogawa S., Oskin P., Pakhlov P., Pakhlova G., Pardi S., Park H., Park S-H, Paul S., Pestotnik R., Piilonen L. E., Podobnik T., Prencipe E., Prim M. T., Rohrken M., Rostomyan A., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Sangal A., Santelj L., Sanuki T., Savinov V, Schnell G., Schwanda C., Seino Y., Senyo K., Sevior M. E., Sharma C., Shen C. P., Shiu J-G, Shwartz B., Simon F., Sokolov A., Solovieva E., Staric M., Stottler Z. S., Sumihama M., Sumiyoshi T., Sutcliffe W., Takizawa M., Tanida K., Tao Y., Tenchini F., Trabelsi K., Uchida M., Uehara S., Uglov T., Unno Y., Uno S., Urquijo P., Ushiroda Y., Usov Y., Vahsen S. E., Van Tonder R., Varner G., Vinokurova A., Vossen A., Waheed E., Wang C. H., Wang E., Wang M-Z, Wang X. L., Werbycka O., Won E., Yabsley B. D., Yan W., Ye H., Yin J. H., Yusa Y., Zhang Z. P., Zhilich V, Zhukova V

    JOURNAL OF HIGH ENERGY PHYSICS   ( 10 )   2021.10( ISSN:1029-8479

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    DOI: 10.1007/JHEP10(2021)019

  • Measurements of the Branching Fractions of the Semileptonic Decays Xi(0)(c)-> Xi(-)l(+)nu(l) and the Asymmetry Parameter of Xi(0)(c) -> Xi(-)pi(+) Reviewed

    Li Y. B., Shen C. P., Adachi I, Adamczyk K., Aihara H., Al Said S., Asner D. M., Aushev T., Ayad R., Babu V, Behera P., Bennett J., Bessner M., Bhardwaj V, Bhuyan B., Bilka T., Biswal J., Bonvicini G., Bozek A., Bracko M., Browder T. E., Campajola M., Cervenkov D., Chang M-C, Chen A., Cheon B. G., Chilikin K., Cho K., Cho S-J, Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dash N., De Nardo G., Dhamija R., Di Capua F., Dong T. V, Eidelman S., Epifanov D., Ferber T., Fulsom B. G., Garg R., Gaur V, Gabyshev N., Garmash A., Giri A., Goldenzweig P., Grzymkowska O., Gudkova K., Hadjivasiliou C., Hartbrich O., Hayasaka K., Hayashii H., Villanueva M. Hernandez, Hsu C-L, Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jia S., Jin Y., Joo C. W., Joo K. K., Kang K. H., Karyan G., Kato Y., Kichimi H., Kim C. H., Kim D. Y., Kim K-H, Kim S. H., Kinoshita K., Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kumar M., Kumar R., Kumara K., Kuzmin A., Kwon Y-J, Lalwani K., Lange J. S., Lee I. S., Lee S. C., Li C. H., Li L. K., Li Gioi L., Libby J., Lieret K., Liventsev D., Masuda M., Matvienko D., McNeil J. T., Metzner F., Mizuk R., Mohanty G. B., Moon T. J., Mori T., Mussa R., Natochii A., Nayak L., Nayak M., Niiyama M., Nisar N. K., Nishida S., Nishimura K., Ogawa S., Ono H., Onuki Y., Pakhlov P., Pakhlova G., Pang T., Pardi S., Park H., Patra S., Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Popov V, Prencipe E., Prim M. T., Rohrken M., Rostomyan A., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Santelj L., Sanuki T., Savinov V, Schnell G., Schwanda C., Seino Y., Senyo K., Shapkin M., Sharma C., Shiu J-G, Sokolov A., Solovieva E., Staric M., Stottler Z. S., Sumihama M., Tamponi U., Tanida K., Tenchini F., Uchida M., Uehara S., Uglov T., Uno K., Uno S., Usov Y., Van Tonder R., Varner G., Vinokurova A., Vossen A., Wang C. H., Wang M-Z, Wang P., Wang X. L., Watanabe M., Watanuki S., Won E., Xu X., Yan W., Yang S. B., Ye H., Yin J. H., Yuan C. Z., Zhang Z. P., Zhilich V, Zhukova V

    PHYSICAL REVIEW LETTERS   127 ( 12 )   2021.09( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.127.121803

  • Measurment of branching fractions and search for CP violation in D-0 -> pi(+)pi(-)eta, D-0 -> K+K-eta, and D-0 -> phi eta at Belle Reviewed International coauthorship

    Li L. K., Schwartz A. J., Kinoshita K., Adachi I, Aihara H., Al Said S., Asner D. M., Atmacan H., Aulchenko V, Aushev T., Ayad R., Babu V, Bahinipati S., Behera P., Bennett J., Bessner M., Bilka T., Biswal J., Bobrov A., Bonvicini G., Bozek A., Bracko M., Branchini P., Browder T. E., Budano A., Campajola M., Cervenkov D., Chang M-C, Chang P., Chekelian V, Chen A., Chen Y. Q., Cheon B. G., Chilikin K., Cho H. E., Cho K., Cho S-J, Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dash N., De Nardo G., De Pietro G., Dhamija R., Di Capua F., Dolezal Z., Dong T. V, Eidelman S., Epifanov D., Ferber T., Fulsom B. G., Garg R., Gaur V, Giri A., Goldenzweig P., Golob B., Graziani E., Gu T., Guan Y., Hadjivasiliou C., Halder S., Hayasaka K., Hou W-S, Inami K., Ishikawa A., Iwasaki M., Iwasaki Y., Jacobs W. W., Jang E-J, Jia S., Jin Y., Joo K. K., Kang K. H., Karyan G., Kiesling C., Kim C. H., Kim D. Y., Kim K-H, Kim S. H., Kim Y-K, Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kumar M., Kumara K., Kuzmin A., Kwon Y-J, Lalwani K., Laurenza M., Lee S. C., Li C. H., Li Gioi L., Libby J., Lieret K., Liventsev D., Masuda M., Matvienko D., Merola M., Metzner F., Miyabayashi K., Mizuk R., Mohanty G. B., Mori T., Nakao M., Natkaniec Z., Natochii A., Nayak L., Nayak M., Niiyama M., Nisar N. K., Nishida S., Nishimura K., Ono H., Oskin P., Pakhlov P., Pakhlova G., Pardi S., Park S-H, Passeri A., Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Popov V, Prencipe E., Prim M. T., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Sangal A., Santelj L., Sanuki T., Savinov V, Schnell G., Schwanda C., Seino Y., Senyo K., Shapkin M., Sharma C., Shen C. P., Shiu J-G, Shwartz B., Sokolov A., Solovieva E., Staric M., Stottler Z. S., Sumihama M., Sumiyoshi T., Takizawa M., Tanida K., Tenchini F., Uchida M., Uglov T., Unno Y., Uno K., Uno S., Vahsen S. E., Van Tonder R., Varner G., Vinokurova A., Waheed E., Wang C. H., Wang M-Z, Wang P., Wang X. L., Watanuki S., Won E., Yabsley B. D., Yan W. B., Yang S. B., Ye H., Yelton J., Yin J. H., Yusa Y., Zhang Z. P., Zhilich V, Zhukova V

    JOURNAL OF HIGH ENERGY PHYSICS   ( 9 )   2021.09( ISSN:1029-8479

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    Publishing type:Research paper (scientific journal)   International / domestic magazine:International journal  

    DOI: 10.1007/JHEP09(2021)075

  • Evidence for the decay Omega(0)(c) -> pi(+)Omega(2012)(-) -> pi(+) (<(K)over bar Xi)(-) Reviewed

    Li Y., Tang S. S., Jia S., Shen C. P., Adachi I, Aihara H., Al Said S., Asner D. M., Atmacan H., Aulchenko V, Aushev T., Ayad R., Babu V, Bahinipati S., Behera P., Bessner M., Bilka T., Biswal J., Bozek A., Bracko M., Branchini P., Browder T. E., Budano A., Campajola M., Cervenko D., Chang M-C, Chang P., Chekelian V, Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Cho S-J, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dash N., De Nardo G., De Pietro G., Di Capua F., Dolezal Z., Dong T. V, Epifanov D., Ferber T., Fulsom B. G., Garg R., Gaur V, Giri A., Goldenzweig P., Golob B., Graziani E., Gu T., Gudkova K., Hadjivasiliou C., Halder S., Hayasaka K., Hayashii H., Hou W-S, Inami K., Ishikawa A., Iwasaki M., Iwasaki Y., Jacobs W. W., Jang E-J, Jin Y., Joo K. K., Kang K. H., Karyan G., Kiesling C., Kim C. H., Kim D. Y., Kim K-H, Kim S. H., Kim Y-K, Kinoshita K., Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kumar M., Kumara K., Kuzmin A., Kwon Y-J, Lalwani K., Laurenza M., Lee S. C., Li C. H., Li L. K., Li Gioi L., Libby J., Lieret K., Liventsev D., Masuda M., Matsuda T., Matvienko D., McNeil J. T., Merola M., Miyabayashi K., Mizuk R., Mohanty G. B., Mori T., Mussa R., Nakao M., Natkaniec Z., Natochii A., Nayak L., Nayak M., Niiyama M., Nisar N. K., Nishida S., Nishimura K., Ono H., Onuki Y., Oskin P., Pakhlov P., Pakhlova G., Pardi S., Park S-H, Passeri A., Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Popov V, Prencipe E., Prim M. T., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Sangal A., Santelj L., Sanuki T., Savinov V, Schnell G., Schwanda C., Seino Y., Senyo K., Shapkin M., Sharma C., Shebalin V, Shiu J-G, Sokolov A., Solovieva E., Staric M., Stottler Z. S., Sumihama M., Sumiyoshi T., Sutcliffe W., Takizawa M., Tanida K., Tenchini F., Trabelsi K., Uchida M., Uglov T., Unno Y., Uno K., Uno S., Usov Y., Vahsen S. E., Van Tonder R., Varner G., Vinokurova A., Waheed E., Wang C. H., Wang E., Wang M-Z, Wang P., Watanuki S., Werbycka O., Won E., Yabsley B. D., Yan W., Yang S. B., Ye H., Yelton J., Yin J. H., Yuan C. Z., Yusa Y., Zhang Z. P., Zhilich V, Zhukova V

    PHYSICAL REVIEW D   104 ( 5 )   2021.09( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.104.052005

  • Measurement of the masses and widths of the Sigma(c)(2455)(+) and Sigma(c)(2520)(+) baryons Reviewed

    Yelton J., Adachi I, Ahn J. K., Aihara H., Al Said S., Asner D. M., Atmacan H., Aulchenko V, Aushev T., Ayad R., Babu V, Bahinipati S., Behera P., Belous K., Bennett J., Bessner M., Bhardwaj V, Bhuyan B., Bilka T., Biswal J., Bozek A., Bracko M., Branchini P., Browder T. E., Budano A., Campajola M., Cervenkov D., Chang M-C, Chang P., Chekelian V, Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Cho S-J, Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dash N., De Nardo G., De Pietro G., Dhamija R., Di Capua F., Dingfelder J., Dolezal Z., Dong T. V, Epifanov D., Ferber T., Ferlewicz D., Fulsom B. G., Garg R., Gaur V, Gabyshev N., Garmash A., Giri A., Goldenzweig P., Graziani E., Gu T., Gudkova K., Hadjivasiliou C., Hara T., Hartbrich O., Hayasaka K., Hayashii H., Hou W-S, Hsu C-L, Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jia S., Jin Y., Joo K. K., Kaliyar A. B., Kang K. H., Kato Y., Kiesling C., Kim C. H., Kim D. Y., Kim K-H, Kim S. H., Kim Y-K, Kinoshita K., Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kulasiri R., Kumara K., Kwon Y-J, Lange J. S., Laurenza M., Lee S. C., Li J., Li L. K., Li Y. B., Li Gioi L., Libby J., Lieret K., Liventsev D., MacQueen C., Masuda M., Matsuda T., Matvienko D., McNeil J. T., Merola M., Miyabayashi K., Mizuk R., Mohanty G. B., Moon T. J., Mussa R., Nakao M., Natkaniec Z., Natochii A., Nayak L., Nayak M., Niiyama M., Nisar N. K., Nishida S., Ogawa S., Ono H., Onuki Y., Oskin P., Pakhlov P., Pakhlova G., Pardi S., Park H., Park S-H, Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Prencipe E., Prim M. T., Rostomyan A., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Sangal A., Santelj L., Sanuki T., Savinov V, Schnell G., Schueler J., Schwanda C., Seino Y., Senyo K., Sevior M. E., Shapkin M., Sharma C., Shen C. P., Shiu J-G, Sokolov A., Solovieva E., Staric M., Stottler Z. S., Sumihama M., Sumisawa K., Sumiyoshi T., Takizawa M., Tamponi U., Tanida K., Tao Y., Tenchini F., Trabelsi K., Uchida M., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Vahsen S. E., Van Tonder R., Varner G., Vinokurova A., Waheed E., Wang C. H., Wang D., Wang E., Wang M-Z, Wang P., Watanabe M., Watanuki S., Won E., Yabsley B. D., Yan W., Yang S. B., Ye H., Yin J. H., Yuan C. Z., Zhang Z. P., Zhilich V, Zhukova V

    PHYSICAL REVIEW D   104 ( 5 )   2021.09( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.104.052003

  • Search for the decay B-s(0) -> eta 'eta Reviewed

    Nisar N. K., Savinov V, Adachi I, Aihara H., Al Said S., Asner D. M., Atmacan H., Aushev T., Ayad R., Babu V, Bahinipati S., Behera P., Bennett J., Bessner M., Bhardwaj V, Bhuyan B., Bilka T., Biswal J., Bonvicini G., Bozek A., Browder T. E., Campajola M., Chang M-C, Chekelian V, Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dash N., De Nardo G., Dhamija R., Di Capua F., Dolezal Z., Dong T. V, Dubey S., Eidelman S., Epifanov D., Ferber T., Ferlewicz D., Frey A., Fulsom B. G., Garg R., Gaur V, Gabyshev N., Garmash A., Giri A., Goldenzweig P., Guan Y., Gudkova K., Hadjivasiliou C., Halder S., Hara T., Hartbrich O., Hayasaka K., Hayashii H., Hedges M. T., Hsu C-L, Iijima T., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jia S., Jin Y., Joo C. W., Joo K. K., Kahn J., Kaliyar A. B., Kang K. H., Karyan G., Kawasaki T., Kichimi H., Kiesling C., Kim C. H., Kim D. Y., Kim S. H., Kim Y-K, Kinoshita K., Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kumar M., Kumar R., Kumara K., Kuzmin A., Kwon Y-J, Lalwani K., Lange J. S., Lee S. C., Li Y. B., Li Gioi L., Libby J., Lieret K., Liventsev D., MacQueen C., Masuda M., Matsuda T., Matvienko D., Merola M., Metzner F., Mizuk R., Mohanty G. B., Mohanty S., Nakao M., Natochii A., Nayak L., Nayak M., Nishida S., Nishimura K., Ogawa S., Ono H., Onuki Y., Oskin P., Pakhlov P., Pakhlova G., Pang T., Pardi S., Park H., Park S-H, Patra S., Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Prencipe E., Prim M. T., Rohrken M., Rostomyan A., Rout N., Russo G., Sahoo D., Sandilya S., Sangal A., Santelj L., Sanuki T., Schnell G., Schueler J., Schwanda C., Seino Y., Senyo K., Sevior M. E., Shapkin M., Sharma C., Shen C. P., Shiu J-G, Shwartz B., Simon F., Solovieva E., Stanic S., Staric M., Stottler Z. S., Sumihama M., Sumiyoshi T., Takizawa M., Tamponi U., Tanida K., Tenchini F., Trabelsi K., Uchida M., Uglov T., Unno Y., Uno S., Urquijo P., Van Tonder R., Varner G., Vossen A., Waheed E., Wang C. H., Wang M-Z, Wang P., Wang X. L., Watanuki S., Won E., Xu X., Yabsley B. D., Yan W., Yang S. B., Ye H., Zhang Z. P., Zhilich V, Zhukova V

    PHYSICAL REVIEW D   104 ( 3 )   2021.08( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.104.L031101

  • Search for the eta(c2) (1D) in e(+) e(-) -> gamma eta(c2)(1D) at root s near 10.6 GeV at Belle Reviewed

    Jia S., Shen C. P., Adachi I, Aihara H., Al Said S., Asner D. M., Aushev T., Ayad R., Babu V, Behera P., Belous K., Bennett J., Bessner M., Bhardwaj V, Bhuyan B., Bilka T., Biswal J., Bobrov A., Bonvicini G., Bozek A., Bracko M., Branchini P., Browder T. E., Budano A., Campajola M., Cervenkov D., Chang M-C, Chang P., Chekelian V, Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Cho S-J, Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dash N., De Nardo G., De Pietro G., Dhamija R., Di Capua F., Dolezal Z., Dong T. V, Epifanov D., Ferber T., Fulsom B. G., Garg R., Gaur V, Gabyshev N., Garmash A., Giri A., Goldenzweig P., Graziani E., Gu T., Gudkova K., Hadjivasiliou C., Halder S., Hara T., Hartbrich O., Hayasaka K., Hayashii H., Hou W-S, Hsu C-L, Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jin Y., Joo K. K., Kaliyar A. B., Kang K. H., Karyan G., Kato Y., Kawasaki T., Kiesling C., Kim D. Y., Kim K-H, Kim S. H., Kim Y-K, Kinoshita K., Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kumar M., Kumara K., Kuzmin A., Kwon Y-J, Lalwani K., Lange J. S., Laurenza M., Lee S. C., Li C. H., Li J., Li L. K., Li Y. B., Li Gioi L., Libby J., Lieret K., Liventsev D., Masuda M., Matsuda T., Matvienko D., Merola M., Metzner F., Miyabayashi K., Miyata H., Mizuk R., Mussa R., Nakao M., Natkaniec Z., Natochii A., Nayak L., Niiyama M., Nisar N. K., Nishida S., Nishimura K., Ogawa S., Ono H., Oskin P., Pakhlov P., Pakhlova G., Pardi S., Park S-H, Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Popov V, Prencipe E., Prim M. T., Rostomyan A., Rout N., Russo G., Sahoo D., Sandilya S., Sangal A., Santelj L., Sanuki T., Savinov V, Schnell G., Schwanda C., Seino Y., Senyo K., Sevior M. E., Shapkin M., Sharma C., Shiu J-G, Shwartz B., Sokolov A., Solovieva E., Staric M., Stottler Z. S., Sumihama M., Takizawa M., Tanida K., Tao Y., Tenchini F., Trabelsi K., Uglov T., Unno Y., Uno K., Uno S., Urquijo P., Usov Y., Vahsen S. E., Van Tonder R., Varner G., Vinokurova A., Waheed E., Wang C. H., Wang E., Wang M-Z, Wang P., Watanuki S., Werbycka O., Won E., Xu X., Yabsley B. D., Yan W., Yang S. B., Ye H., Yelton J., Yin J. H., Yuan C. Z., Yusa Y., Zhang Z. P., Zhilich V, Zhukova V

    PHYSICAL REVIEW D   104 ( 1 )   2021.07( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.104.012012

  • Measurements of partial branching fractions of inclusive B -> XTI4PFTI4PF(u)(lx+)nu(l) decays with hadronic tagging Reviewed

    Cao L., Sutcliffe W., Van Tonder R., Bernlochner F. U., Adachi I, Aihara H., Al Said S., Asner D. M., Atmacan H., Aushev T., Ayad R., Babu V, Bauer M., Behera P., Belous K., Bennett J., Bessner M., Bhardwaj V, Bilka T., Biswal J., Bonvicini G., Bozek A., Bracko M., Browder T. E., Campajola M., Cervenkov D., Chang M-C, Chang P., Chekelian V, Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Cho S-J, Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dash N., De Nardo G., Di Capua F., Dingfelder J., Dolezal Z., Dong T. V, Dubey S., Eidelman S., Epifanov D., Ferber T., Ferlewicz D., Frey A., Fulsom B. G., Garg R., Gaur V, Garmash A., Giri A., Goldenzweig P., Guan Y., Hadjivasiliou C., Hara T., Hartbrich O., Hayasaka K., Hayashii H., Hedges M. T., Villanueva M. Hernandez, Hou W-S, Hsu C-L, Iijima T., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jang E-J, Jeon H. B., Jia S., Jin Y., Joo C. W., Joo K. K., Kang K. H., Karyan G., Kawasaki T., Kichimi H., Kiesling C., Kim B. H., Kim C. H., Kim D. Y., Kim H. J., Kim K-H, Kim S. H., Kim Y-K, Kinoshita K., Kodys P., Konno T., Korobov A., Korpar S., Kotchetkov D., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kumar M., Kumar R., Kumara K., Kuzmin A., Kwon Y-J, Lalwani K., Lange J. S., Lee I. S., Lee S. C., Lewis P., Li C. H., Li J., Li L. K., Li Y. B., Li Gioi L., Libby J., Lieret K., Liptak Z., Liventsev D., MacNaughton J., MacQueen C., Masuda M., Matsuda T., Matvienko D., Merola M., Metzner F., Miyabayashi K., Mizuk R., Mohanty G. B., Moon T. J., Mori T., Mrvar M., Mussa R., Nakao M., Natkaniec Z., Natochii A., Nayak L., Nayak M., Niiyama M., Nisar N. K., Nishida S., Nishimura K., Ogawa S., Ono H., Onuki Y., Oskin P., Pakhlov P., Pakhlova G., Pang T., Pardi S., Park C. W., Park H., Park S-H, Patra S., Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Popov V, Prencipe E., Prim M. T., Ritter M., Rohrken M., Rostomyan A., Rout N., Rozanska M., Russo G., Sahoo D., Sakai Y., Sandilya S., Sangal A., Santelj L., Sanuki T., Savinov V, Schnell G., Schueler J., Schwanda C., Schwartz A. J., Seino Y., Senyo K., Sevior M. E., Shapkin M., Sharma C., Shen C. P., Shiu J-G, Simon F., Sokolov A., Solovieva E., Stanic S., Staric M., Stottler Z. S., Strube J. F., Sumiyoshi T., Takizawa M., Tamponi U., Tanida K., Tenchini F., Trabelsi K., Uchida M., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Vahsen S. E., Varner G., Varvell K. E., Vinokurova A., Vorobyev V., Vossen A., Waheed E., Wang C. H., Wang E., Wang M-Z, Wang P., Watanabe M., Watanuki S., Wehle S., Wiechczynski J., Won E., Xu X., Yabsley B. D., Yan W., Yang S. B., Ye H., Yin J. H., Yuan C. Z., Yusa Y., Zhang Z. P., Zhilich V, Zhukova V, Zhulanov V

    PHYSICAL REVIEW D   104 ( 1 )   2021.07( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.104.012008

  • Search for B-s(0) -> eta'Xs(s)over-bar at Belle using a semi-inclusive method Reviewed

    Dubey S., Browder T. E., Aihara H., Al Said S., Asner D. M., Aushev T., Ayad R., Babu V, Bahinipati S., Behera P., Bennett J., Bessner M., Bhuyan B., Bilokin S., Biswal J., Bobrov A., Bonvicini G., Bozek A., Bracko M., Campajola M., Cervenkov D., Cheon B. G., Chilikin K., Cho H. E., Cho K., Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dhamija R., Di Capua F., Dolezal Z., Dossett D., Eidelman S., Epifanov D., Ferber T., Fulsom B. G., Garg R., Gaur V, Gabyshev N., Garmash A., Giri A., Goldenzweig P., Golob B., Greenwald D., Guan Y., Gudkova K., Hadjivasiliou C., Hayasaka K., Hayashii H., Hedges M. T., Hou W-S, Hsu C-L, Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jang E-J, Jin Y., Joo C. W., Joo K. K., Kaliyar A. B., Kawasaki T., Kichimi H., Kim C. H., Kim D. Y., Kim S. H., Kim Y-K, Kimmel T. D., Kinoshita K., Korpar S., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kulasiri R., Kumar R., Kumara K., Kwon Y-J, Lalwani K., Lange J. S., Lee S. C., Li C. H., Li J., Li L. K., Li Y. B., Li Gioi L., Libby J., Liventsev D., MacQueen C., Masuda M., Matsuda T., Merola M., Metzner F., Miyabayashi K., Mizuk R., Mohanty G. B., Mohanty S., Moon T. J., Nakao M., Natochii A., Nayak L., Nayak M., Nisar N. K., Nishida S., Nishimura K., Ogawa S., Ono H., Onuki Y., Oskin P., Pakhlova G., Pardi S., Park S-H, Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Prencipe E., Prim M. T., Rostomyan A., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Sangal A., Santelj L., Sanuki T., Savinov V, Schnell G., Schwanda C., Seino Y., Senyo K., Sevior M. E., Shapkin M., Sharma C., Shiu J-G, Shwartz B., Solovieva E., Staric M., Stottler Z. S., Strube J. F., Sumisawa K., Takizawa M., Tamponi U., Tanida K., Tao Y., Tenchini F., Trabelsi K., Uchida M., Unno Y., Uno S., Ushiroda Y., Usov Y., Vahsen S. E., Van Tonder R., Varner G., Wang C. H., Wang E., Wang P., Watanabe M., Watanuki S., Xu X., Yabsley B. D., Yan W., Yang S. B., Ye H., Yin J. H., Zhang Z. P., Zhilich V, Zhukova V

    PHYSICAL REVIEW D   104 ( 1 )   2021.07( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.104.012007

  • Measurements of branching fractions and asymmetry parameters of Xi(0)(c) -> Lambda(K)over-bar*(0), Xi(0)(c) -> Sigma(0)(K)over-bar*(0), and Xi(0)(c) -> Sigma(+) K*(-) decays at Belle Reviewed

    Jia S., Tang S. S., Shen C. P., Adachi I., Aihara H., Al Said S., Asner D. M., Aulchenko V., Aushev T., Ayad R., Babu V., Bahinipati S., Behera P., Bennett J., Bessner M., Bilka T., Biswal J., Bobrov A., Bonvicini G., Bozek A., Bracko M., Browder T. E., Campajola M., Cervenkov D., Chang M. -C., Chekelian V., Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Cho S. -J., Choi S. -K., Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., De Nardo G., Dhamija R., Di Capua F., Dolezal Z., Dong T. V., Eidelman S., Epifanov D., Ferber T., Flood K., Fulsom B. G., Garg R., Gaur V., Gabyshev N., Garmash A., Giri A., Goldenzweig P., Hartbrich O., Hayasaka K., Hayashii H., Hou W. -S., Hsu C. -L., Iijima T., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jin Y., Joo K. K., Karyan G., Kato Y., Kichimi H., Kim C. H., Kim D. Y., Kim K. -H., Kim S. H., Kim Y. -K., Kinoshita K., Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kumara K., Kuzmin A., Kwon Y. -J., Lalwani K., Lange J. S., Lee S. C., Li J., Li L. K., Li Y. B., Li Gioi L., Libby J., Lieret K., Liventsev D., MacQueen C., Masuda M., Matsuda T., Matvienko D., McNeil J. T., Merola M., Metzner F., Miyabayashi K., Miyata H., Mizuk R., Mohanty G. B., Mussa R., Nakao M., Natochii A., Nayak L., Nayak M., Niiyama M., Nisar N. K., Nishida S., Nishimura K., Ogawa K., Ogawa S., Ono H., Onuki Y., Oskin P., Pakhlov P., Pakhlova G., Pardi S., Park H., Park S. -H., Patra S., Paul S., Pestotnik R., Piilonen L. E., Podobnik T., Popov V., Prencipe E., Prim M. T., Rostomyan A., Rout N., Russo G., Sahoo D., Sandilya S., Sangal A., Savinov V., Schnell G., Schwanda C., Seino Y., Senyo K., Sevior M. E., Sharma C., Shiu J. -G., Sokolov A., Solovieva E., Staric M., Stottler Z. S., Sumihama M., Sumiyoshi T., Takizawa M., Tanida K., Tenchini F., Trabelsi K., Uehara S., Uglov T., Unno Y., Uno K., Uno S., Urquijo P., Usov Y., Van Tonder R., Varner G., Waheed E., Wang C. H., Wang M. -Z., Wang P., Watanabe M., Werbycka O., Won E., Yabsley B. D., Yan W., Yang S. B., Ye H., Yelton J., Yin J. H., Yuan C. Z., Yusa Y., Zhang Z. P., Zhilich V., Zhukova V.

    JOURNAL OF HIGH ENERGY PHYSICS   ( 6 )   2021.06( ISSN:1029-8479

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    DOI: 10.1007/JHEP06(2021)160

  • Measurement of the energy dependence of the e(+) e(-) -> B(B)over-bar, B (B)over-bar* and B*(B)over-bar* exclusive cross sections Reviewed

    Mizuk R., Bondar A., Adachi I, Aihara H., Al Said S., Asner D. M., Atmacan H., Aulchenko V, Aushev T., Ayad R., Babu V, Bahinipati S., Behera P., Belous K., Bennett J., Bessner M., Bilka T., Biswal J., Bobrov A., Bozek A., Bracko M., Browder T. E., Campajola M., Cervenkov D., Chang M-C, Chekelian V, Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Cho S-J, Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dash N., De Nardo G., Dhamija R., Di Capua F., Dingfelder J., Dolezal Z., Eidelman S., Epifanov D., Ferber T., Fulsom B. G., Garg R., Gaur V, Garmash A., Goldenzweig P., Golob B., Hadjivasiliou C., Hayasaka K., Hayashii H., Hedges M. T., Hou W-S, Hsu C-L, Huang K., Iijima T., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jang E-J, Jia S., Jin Y., Karyan G., Kawasaki T., Kichimi H., Kiesling C., Kim C. H., Kim D. Y., Kim S. H., Kim Y-K, Kinoshita K., Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kumara K., Kuzmin A., Kwon Y-J, Lee S. C., Lewis P., Li J., Li Y. B., Li Gioi L., Libby J., Lieret K., Liventsev D., Masuda M., Matsuda T., Matvienko D., Merola M., Metzner F., Miyabayashi K., Mohanty G. B., Mrvar M., Mussa R., Nakao M., Natochii A., Nayak L., Nayak M., Niiyama M., Nisar N. K., Nishida S., Nishimura K., Ogawa S., Ono H., Onuki Y., Oskin P., Pakhlov P., Pakhlova G., Pang T., Pardi S., Park H., Park S-H, Patra S., Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Popov V, Prencipe E., Prim M. T., Roehrken M., Rostomyan A., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Sangal A., Santelj L., Sanuki T., Savinov V, Schnell G., Schueler J., Schwanda C., Senyo K., Sharma C., Shen C. P., Shiu J-G, Shwartz B., Sokolov A., Solovieva E., Stanic S., Staric M., Stottler Z. S., Sumiyoshi T., Takizawa M., Tamponi U., Tanida K., Tenchini F., Trabelsi K., Uchida M., Uehara S., Uglov T., Unno Y., Uno K., Uno S., Usov Y., Van Tonder R., Varner G., Waheed E., Wang C. H., Wang M-Z, Wang P., Watanabe M., Watanuki S., Won E., Xu X., Yabsley B. D., Yan W., Yang S. B., Ye H., Yin J. H., Yuan C. Z., Zhang Z. P., Zhilich V, Zhukova V

    JOURNAL OF HIGH ENERGY PHYSICS   ( 6 )   2021.06( ISSN:1029-8479

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    DOI: 10.1007/JHEP06(2021)137

  • First determination of the spin and parity of the charmed-strange baryon Ξc(2970)+ Reviewed

    T. J. Moon, K. Tanida, Y. Kato, S. K. Kim, I. Adachi, J. K. Ahn, H. Aihara, S. Al Said, D. M. Asner, V. Aulchenko, T. Aushev, R. Ayad, V. Babu, S. Bahinipati, P. Behera, C. Beleño, J. Bennett, M. Bessner, B. Bhuyan, T. Bilka, J. Biswal, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, M. Campajola, L. Cao, D. Červenkov, M.-C. Chang, P. Chang, A. Chen, B. G. Cheon, K. Chilikin, K. Cho, S.-K. Choi, Y. Choi, S. Choudhury, D. Cinabro, S. Cunliffe, N. Dash, G. De Nardo, F. Di Capua, Z. Doležal, T. V. Dong, D. Dossett, S. Dubey, S. Eidelman, D. Epifanov, T. Ferber, B. G. Fulsom, R. Garg, V. Gaur, N. Gabyshev, A. Garmash, A. Giri, P. Goldenzweig, B. Golob, C. Hadjivasiliou, O. Hartbrich, K. Hayasaka, H. Hayashii, M. T. Hedges, W.-S. Hou, C.-L. Hsu, K. Inami, G. Inguglia, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, W. W. Jacobs, S. Jia, Y. Jin, K. K. Joo, K. H. Kang, G. Karyan, T. Kawasaki, H. Kichimi, C. Kiesling, B. H. Kim, D. Y. Kim, K. T. Kim, S. H. Kim, Y. J. Kim, Y.-K. Kim, T. D. Kimmel, K. Kinoshita, P. Kodyš, S. Korpar, D. Kotchetkov, P. Križan, R. Kroeger, P. Krokovny, T. Kuhr, R. Kumar, K. Kumara, A. Kuzmin, Y.-J. Kwon, I. S. Lee, J. Y. Lee, S. C. Lee, L. K. Li, Y. B. Li, L. Li Gioi, J. Libby, Z. Liptak, D. Liventsev, T. Luo, C. MacQueen, M. Masuda, T. Matsuda, D. Matvienko, M. Merola, K. Miyabayashi, H. Miyata, R. Mizuk, G. B. Mohanty, S. Mohanty, T. Mori, R. Mussa, T. Nakano, M. Nakao, Z. Natkaniec, A. Natochii, M. Nayak, M. Niiyama, N. K. Nisar, S. Nishida, K. Ogawa, S. Ogawa, H. Ono, P. Pakhlov, G. Pakhlova, S. Pardi, H. Park, S.-H. Park, S. Patra, S. Paul, T. K. Pedlar, R. Pestotnik, L. E. Piilonen, T. Podobnik, V. Popov, E. Prencipe, M. T. Prim, M. Ritter, N. Rout, G. Russo, D. Sahoo, Y. Sakai, S. Sandilya, A. Sangal, L. Santelj, V. Savinov, G. Schnell, J. Schueler, C. Schwanda, R. Seidl, Y. Seino, K. Senyo, M. E. Sevior, M. Shapkin, C. P. Shen, J.-G. Shiu, B. Shwartz, E. Solovieva, M. Starič, Z. S. Stottler, M. Sumihama, K. Sumisawa, T. Sumiyoshi, W. Sutcliffe, M. Takizawa, U. Tamponi, F. Tenchini, K. Trabelsi, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, P. Urquijo, S. E. Vahsen, R. Van Tonder, G. Varner, A. Vinokurova, V. Vorobyev, A. Vossen, C. H. Wang, E. Wang, M.-Z. Wang, P. Wang, S. Wehle, J. Wiechczynski, X. Xu, B. D. Yabsley, S. B. Yang, H. Ye, J. Yelton, J. H. Yin, C. Z. Yuan, Z. P. Zhang, V. Zhilich, V. Zhukova, V. Zhulanov

    American Physical Society (APS) Physical Review D   103 ( 11 )   2021.06( ISSN:2470-0010

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    DOI: 10.1103/physrevd.103.l111101

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  • Measurement of branching fractions and CP asymmetries for Ds+→K+(η,π0) and Ds+→π+(η,π0) decays at Belle Reviewed

    Y. Guan, A. J. Schwartz, K. Kinoshita, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, H. Atmacan, V. Aulchenko, T. Aushev, R. Ayad, V. Babu, P. Behera, J. Bennett, M. Bessner, V. Bhardwaj, B. Bhuyan, T. Bilka, J. Biswal, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, M. Campajola, D. Červenkov, M.-C. Chang, V. Chekelian, A. Chen, B. G. Cheon, K. Chilikin, K. Cho, S.-K. Choi, Y. Choi, S. Choudhury, D. Cinabro, S. Cunliffe, S. Das, G. De Nardo, R. Dhamija, F. Di Capua, J. Dingfelder, Z. Doležal, T. V. Dong, S. Eidelman, D. Epifanov, T. Ferber, D. Ferlewicz, A. Frey, B. G. Fulsom, R. Garg, V. Gaur, N. Gabyshev, A. Garmash, A. Giri, P. Goldenzweig, K. Gudkova, C. Hadjivasiliou, S. Halder, T. Hara, O. Hartbrich, K. Hayasaka, H. Hayashii, W.-S. Hou, C.-L. Hsu, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, W. W. Jacobs, S. Jia, Y. Jin, C. W. Joo, K. K. Joo, J. Kahn, A. B. Kaliyar, K. H. Kang, T. Kawasaki, H. Kichimi, C. Kiesling, C. H. Kim, D. Y. Kim, S. H. Kim, Y.-K. Kim, P. Kodyš, T. Konno, A. Korobov, S. Korpar, E. Kovalenko, P. Križan, R. Kroeger, P. Krokovny, M. Kumar, K. Kumara, A. Kuzmin, Y.-J. Kwon, K. Lalwani, J. S. Lange, I. S. Lee, S. C. Lee, P. Lewis, L. K. Li, Y. B. Li, L. Li Gioi, J. Libby, K. Lieret, D. Liventsev, C. MacQueen, M. Masuda, D. Matvienko, M. Merola, F. Metzner, K. Miyabayashi, R. Mizuk, G. B. Mohanty, M. Mrvar, R. Mussa, M. Nakao, Z. Natkaniec, A. Natochii, L. Nayak, M. Nayak, N. K. Nisar, S. Nishida, K. Nishimura, S. Ogawa, H. Ono, Y. Onuki, P. Oskin, P. Pakhlov, G. Pakhlova, T. Pang, S. Pardi, H. Park, S.-H. Park, S. Patra, S. Paul, T. K. Pedlar, R. Pestotnik, L. E. Piilonen, T. Podobnik, V. Popov, E. Prencipe, M. T. Prim, M. V. Purohit, M. Röhrken, A. Rostomyan, N. Rout, G. Russo, D. Sahoo, S. Sandilya, A. Sangal, L. Santelj, T. Sanuki, V. Savinov, G. Schnell, C. Schwanda, Y. Seino, K. Senyo, M. E. Sevior, M. Shapkin, C. Sharma, C. P. Shen, J.-G. Shiu, B. Shwartz, F. Simon, J. B. Singh, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, Z. S. Stottler, M. Sumihama, M. Takizawa, U. Tamponi, K. Tanida, F. Tenchini, K. Trabelsi, T. Uglov, Y. Unno, S. Uno, P. Urquijo, R. Van Tonder, G. Varner, A. Vossen, E. Waheed, C. H. Wang, M.-Z. Wang, P. Wang, X. L. Wang, S. Watanuki, O. Werbycka, E. Won, X. Xu, B. D. Yabsley, W. Yan, S. B. Yang, H. Ye, J. H. Yin, C. Z. Yuan, Z. P. Zhang, V. Zhilich, V. Zhukova

    American Physical Society (APS) Physical Review D   103 ( 11 )   2021.06( ISSN:2470-0010

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    DOI: 10.1103/physrevd.103.112005

    Other URL: http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevD.103.112005/fulltext

  • Measurement of the resonant and nonresonant branching ratios in $\Xi_{c}^{0} \rightarrow \Xi^{0} K^+ K^-$ Reviewed

    McNeil, J.T., Yelton, J., Bennett, J., Adachi, I., Adamczyk, K., Ahn, J.K., Aihara, H., Al Said, S., Asner, D.M., Atmacan, H., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Bahinipati, S., Behera, P., Bessner, M., Bilka, T., Biswal, J., Bobrov, A., Bonvicini, G., Bozek, A., Bracko, M., Browder, T.E., Campajola, M., Cao, L., Cervenkov, D., Chang, P., Chekelian, V., Chen, A., Cheon, B.G., Chilikin, K., Cho, K., Cho, S.J., Choi, S.K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Das, S., Dash, N., De Nardo, G., Dhamija, R., Di Capua, F., Dolezal, Z., Dong, T.V., Eidelman, S., Ferber, T., Fulsom, B.G., Gaur, V., Gabyshev, N., Garmash, A., Giri, A., Goldenzweig, P., Golob, B., Grzymkowska, O., Guan, Y., Gudkova, K., Hadjivasiliou, C., Hayasaka, K., Hayashii, H., Hou, W.S., Hsu, C.L., Huang, K., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Jacobs, W.W., Jeon, H.B., Jia, S., Jin, Y., Joo, K.K., Kaliyar, A.B., Kang, K.H., Karyan, G., Kichimi, H., Kim, B.H., Kim, C.H., Kim, D.Y., Kim, S.H., Kim, Y.K., Kinoshita, K., Kodys, P., Konno, T., Korpar, S., Krizan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumar, M., Kumara, K., Kwon, Y.J., Lalwani, K., Lee, S.C., Li, J., Li, L.K., Li, Y.B., Li Gioi, L., Libby, J., Lieret, K., Liptak, Z., Liventsev, D., MacQueen, C., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Metzner, F., Miyabayashi, K., Mizuk, R., Mohanty, G.B., Mohanty, S., Moon, T.J., Mussa, R., Nakao, M., Natochii, A., Nayak, L., Nayak, M., Niiyama, M., Nisar, N.K., Nishida, S., Ogawa, K., Ogawa, S., Ono, H., Onuki, Y., Oskin, P., Pakhlova, G., Pardi, S., Park, H., Park, S.H., Paul, S., Pedlar, T.K., Pestotnik, R., Piilonen, L.E., Podobnik, T., Popov, V., Prencipe, E., Prim, M.T., Rohrken, M., Rostomyan, A., Rout, N., Russo, G., Sahoo, D., Sakai, Y., Sandilya, S., Sangal, A., Santelj, L., Savinov, V., Schnell, G., Schueler, J., Schwanda, C., Seino, Y., Senyo, K., Sevior, M.E., Shapkin, M., Sharma, C., Shebalin, V., Shiu, J.G., Simon, F., Solovieva, E., Staric, M., Stottler, Z.S., Strube, J.F., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tao, Y., Tenchini, F., Uchida, M., Uehara, S., Unno, Y., Uno, S., Van Tonder, R., Varner, G., Vinokurova, A., Vorobyev, V., Wang, C.H., Wang, E., Wang, M.Z., Wang, P., Watanabe, M., Watanuki, S., Won, E., Xu, X., Yabsley, B.D., Yan, W., Ye, H., Yin, J.H., Zhang, Z.P., Zhilich, V., Zhukova, V.

    Phys.Rev.D   103 ( 11 )   112002 - 112002   2021.06( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.103.112002

  • Measurement of the branching fraction of the decay B+ -> pi(+) pi(-) l(+) nu(l) in fully reconstructed events at Belle Reviewed International coauthorship

    Beleno C., Frey A., Adachi I, Aihara H., Asner D. M., Atmacan H., Aushev T., Ayad R., Behera P., Bennett J., Bernlochner F., Bhardwaj V, Bilka T., Biswal J., Bonvicini G., Bozek A., Bracko M., Browder T. E., Campajola M., Cervenkov D., Chang P., Chen A., Chilikin K., Cho K., Choi Y., Cinabro D., Cunliffe S., Dash N., Di Capua F., Dingfelder J., Dolezal Z., Dong T. V, Eidelman S., Epifanov D., Fast J. E., Ferber T., Fulsom B. G., Garg R., Gaur V, Gabyshev N., Garmash A., Giri A., Goldenzweig P., Guan Y., Hartbrich O., Hayasaka K., Hayashii H., Hou W-S, Inami K., Ishikawa A., Iwasaki M., Jacobs W. W., Jeon H. B., Jin Y., Joo K. K., Kiesling C., Kim B. H., Kim D. Y., Kim K-H, Kim S. H., Kim Y-K, Kimmel T. D., Kinoshita K., Kodys P., Korpar S., Kotchetkov D., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kulasiri R., Kumar R., Kuzmin A., Kwon Y-J, Lalwani K., Lee S. C., Li L. K., Li Y. B., Li Gioi L., Libby J., Lieret K., Liventsev D., Luo T., MacNaughton J., MacQueen C., Masuda M., Matsuda T., Merola M., Miyabayashi K., Mohanty G. B., Moon T. J., Mori T., Mrvar M., Nakao M., Nisar N. K., Nishida S., Ogawa S., Ono H., Oskin P., Pakhlov P., Pakhlova G., Pardi S., Park H., Patra S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Prencipe E., Prim M. T., Rostomyan A., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Sangal A., Sanuki T., Savinov V, Schnell G., Schwanda C., Schwartz A. J., Schwenker B., Seino Y., Senyo K., Sevior M. E., Shapkin M., Shiu J-G, Shwartz B., Sokolov A., Solovieva E., Staric M., Stottler Z. S., Strube J. F., Sumiyoshi T., Sutcliffe W., Takizawa M., Tanida K., Tenchini F., Uchida M., Uglov T., Uno S., Urquijo P., Vahsen S. E., Van Tonder R., Varner G., Varvell K. E., Wang C. H., Wang E., Wang M-Z, Wang P., Wang X. L., Watanabe M., Won E., Xu X., Yan W., Yang S. B., Ye H., Yusa Y., Zhang Z. P., Zhilich V, Zhukova V

    PHYSICAL REVIEW D   103 ( 11 )   2021.06( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.103.112001

  • Test of Lepton-Flavor Universality in B -> K*l(+)l(-) Decays at Belle Reviewed

    Wehle S., Adachi I, Adamczyk K., Aihara H., Asner D. M., Atmacan H., Aulchenko V, Aushev T., Ayad R., Babu V, Behera P., Berger M., Bhardwaj V, Biswal J., Bozek A., Browder T. E., Campajola M., Cao L., Chang M-C, Chen A., Cheon B. G., Chilikin K., Cho K., Choi Y., Choudhury S., Cinabro D., Cunliffe S., Dash N., De Nardo G., Di Capua F., Dubey S., Eidelman S., Epifanov D., Ferber T., Fulsom B. G., Garg R., Gaur V, Gabyshev N., Garmash A., Giri A., Goldenzweig P., Greenwald D., Guan Y., Haba J., Hartbrich O., Hayasaka K., Hayashii H., Hedges M. T., Higuchi T., Hou W-S, Hsu C-L, Iijima T., Inami K., Inguglia G., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jia S., Jin Y., Joffe D., Kahn J., Kaliyar A. B., Karyan G., Kichimi H., Kim D. Y., Kim K. T., Kim S. H., Kim Y-K, Kinoshita K., Komarov I, Korpar S., Kotchetkov D., Kroeger R., Krokovny P., Kuhr T., Kulasiri R., Kumar R., Kumara K., Kuzmin A., Kwon Y-J, Lange J. S., Lee J. Y., Lee S. C., Li Y. B., Libby J., Liptak Z., Liventsev D., Luo T., MacNaughton J., Masuda M., Matsuda T., McNeil J. T., Merola M., Metzner F., Miyata H., Mizuk R., Mohanty G. B., Moon T. J., Mussa R., Nakao M., Natochii A., Nayak M., Niebuhr C., Niiyama M., Nisar N. K., Nishida S., Ogawa K., Ogawa S., Ono H., Onuki Y., Pakhlov P., Pakhlova G., Park H., Park S-H, Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Popov V, Prencipe E., Prim M. T., Resmi P. K., Ritter M., Rostomyan A., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Sangal A., Santelj L., Savinov V, Schneider O., Schnell G., Schueler J., Schwanda C., Schwartz A. J., Seino Y., Senyo K., Sevior M. E., Shapkin M., Shiu J-G, Shwartz B., Solovieva E., Strube J. F., Sumiyoshi T., Sutcliffe W., Takizawa M., Tamponi U., Tanida K., Tao Y., Tenchini F., Trabelsi K., Uchida M., Uglov T., Unno Y., Uno S., Ushiroda Y., Vahsen S. E., Van Tonder R., Varner G., Varvell K. E., Vorobyev V., Wang C. H., Wang M-Z, Wang P., Wang X. L., Won E., Xu X., Yang S. B., Ye H., Yin J. H., Yuan C. Z., Zhang Z. P., Zhilich V, Zhukova V, Zhulanov V

    PHYSICAL REVIEW LETTERS   126 ( 16 )   2021.04( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.126.161801

  • Search for the dark photon in B-0 -> A ' A ', A ' -> e(+)e(-), mu(+)mu(-), and pi(+)pi(-) decays at Belle Reviewed

    Li Y., Li Y. B., Shen C. P., Adachi I., Aihara H., Asner D. M., Atmacan H., Aulchenko V., Ayad R., Babu V., Badhrees I., Bakich A. M., Behera P., Bilka T., Biswal J., Bobrov A., Bonvicini G., Bozek A., Bracko M., Browder T. E., Campajola M., Cao L., Cervenkov D., Chang P., Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Choi S. -K., Choi Y., Cinabro D., Cunliffe S., De Nardo G., Di Capua F., Di Carlo S., Dolezal Z., Dong T. V., Eidelman S., Fast J. E., Ferber T., Ferlewicz D., Fulsom B. G., Garg R., Gaur V., Gabyshev N., Garmash A., Giri A., Goldenzweig P., Golob B., Grube B., Hara T., Hayasaka K., Hayashii H., Hou W. -S., Hsu C. -L., Iijima T., Inami K., Inguglia G., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jia S., Jin Y., Joo K. K., Kang K. H., Karyan G., Kichimi H., Kim C. H., Kim D. Y., Kim S. H., Kinoshita K., Kodys P., Korpar S., Kroeger R., Krokovny P., Kuhr T., Kulasiri R., Kuzmin A., Kwon Y. -J., Lalwani K., Lange J. S., Lee I. S., Lee S. C., Lewis P., Li C. H., Li L. K., Gioi L. Li, Libby J., Lieret K., Liventsev D., MacQueen C., Masuda M., Matsuda T., Matvienko D., Merola M., Miyata H., Mizuk R., Mussa R., Nakao M., Nath K. J., Nayak M., Niiyama M., Nisar N. K., Nishida S., Nishimura K., Ogawa S., Ono H., Onuki Y., Oskin P., Pakhlov P., Pakhlova G., Pang T., Pardi S., Park H., Park S. -H., Patra S., Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Popov V., Prencipe E., Prim M. T., Roehrken M., Rostomyan A., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Santelj L., Savinov V., Schneider O., Schnell G., Schwanda C., Seino Y., Senyo K., Sevior M. E., Shiu J. -G., Shwartz B., Sokolov A., Solovieva E., Stanic S., Staric M., Stottler Z. S., Sumihama M., Sumiyoshi T., Sutcliffe W., Takizawa M., Tanida K., Tenchini F., Trabelsi K., Uchida M., Uglov T., Unno Y., Uno S., Van Tonder R., Varner G., Vinokurova A., Wang C. H., Wang M. -Z., Wang X. L., Watanabe M., Won E., Yang S. B., Ye H., Yelton J., Yin J. H., Yuan C. Z., Zhang Z. P., Zhilich V., Zhukova V., Zhulanov V.

    JOURNAL OF HIGH ENERGY PHYSICS   ( 4 )   2021.04( ISSN:1029-8479

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    DOI: 10.1007/JHEP04(2021)191

  • Measurements of the branching fractions of Lambda(+)(c) -> p eta and Lambda(+)(c) -> p pi(0) decays at Belle Reviewed

    Li S. X., Shen C. P., Adachi I, Ahn J. K., Aihara H., Asner D. M., Aushev T., Ayad R., Babu V, Bahinipati S., Behera P., Bennett J., Bernlochner F., Bessner M., Bhardwaj V, Bhuyan B., Bilka T., Biswal J., Bobrov A., Bozek A., Browder T. E., Campajola M., Cao L., Chang M-C, Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dash N., De Nardo G., Dhamija R., Di Capua F., Dolezal Z., Dong T. V, Eidelman S., Epifanov D., Ferber T., Ferlewicz D., Fulsom B. G., Garg R., Gaur V, Garmash A., Giri A., Goldenzweig P., Golob B., Grzymkowska O., Gudkova K., Hadjivasiliou C., Hartbrich O., Hayasaka K., Hayashii H., Hedges M. T., Hou W-S, Hsu C-L, Iijima T., Inami K., Inguglia G., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Jacobs W. W., Jang E-J, Jia S., Jin Y., Joo C. W., Joo K. K., Kaliyar A. B., Kang K. H., Karyan G., Kato Y., Kawasaki T., Kichimi H., Kim B. H., Kim C. H., Kim D. Y., Kim K-H, Kim S. H., Kim Y-K, Kinoshita K., Kodys P., Konno T., Korobov A., Korpar S., Kovalenko E., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kumar M., Kumara K., Kuzmin A., Kwon Y-J, Lalwani K., Lange J. S., Lee I. S., Lee S. C., Li C. H., Li L. K., Li Y. B., Li Gioi L., Libby J., Lieret K., Liventsev D., Masuda M., Matsuda T., Matvienko D., Merola M., Metzner F., Mizuk R., Mohanty S., Mori T., Nakao M., Natkaniec Z., Natochii A., Nayak L., Niiyama M., Nisar N. K., Nishida S., Ono H., Onuki Y., Pakhlov P., Pakhlova G., Pang T., Pardi S., Park H., Park S-H, Patra S., Paul S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Popov V, Prencipe E., Prim M. T., Rohrken M., Rostomyan A., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Sangal A., Santelj L., Sanuki T., Savinov V, Schnell G., Schueler J., Schwanda C., Seino Y., Senyo K., Sevior M. E., Shapkin M., Sharma C., Shebalin V, Shiu J-G, Shwartz B., Solovieva E., Stottler Z. S., Sumihama M., Sumiyoshi T., Sutcliffe W., Takizawa M., Tanida K., Tao Y., Tenchini F., Trabelsi K., Uchida M., Uehara S., Uglov T., Uno K., Uno S., Urquijo P., Van Tonder R., Varner G., Vossen A., Wang C. H., Wang E., Wang M-Z, Wang P., Watanuki S., Won E., Xu X., Yabsley B. D., Yan W., Yang S. B., Ye H., Yelton J., Yin J. H., Yuan C. Z., Yusa Y., Zhang Z. P., Zhilich V, Zhukova V, Zhulanov V

    PHYSICAL REVIEW D   103 ( 7 )   2021.04( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.103.072004

  • Measurement of the CKM matrix element vertical bar V-cb vertical bar from B-0 -> D*(-) l(+) nu(l) at Belle (vol 100, 052007, 2019) Reviewed

    Waheed E., Urquijo P., Ferlewicz D., Adachi I., Adamczyk K., Aihara H., Al Said S., Asner D. M., Atmacan H., Aushev T., Ayad R., Babu V., Badhrees I., Bansal V., Behera P., Beleno C., Bernlochner F., Bhuyan B., Bilka T., Biswal J., Bobrov A., Bonvicini G., Bozek A., Bracko M., Browder T. E., Campajola M., Cervenkov D., Chang P., Chekelian V., Chen A., Cheon B. G., Chilikin K., Cho H. E., Cho K., Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Di Carlo S., Dolezal Z., Dong T. V., Dossett D., Eidelman S., Epifanov D., Fast J. E., Fulsom B. G., Garg R., Gaur V., Garmash A., Giri A., Goldenzweig P., Golob B., Grzymkowska O., Haba J., Hara T., Hayasaka K., Hayashii H., Hedges T., Hou W-S, Hsu C-L, Iijima T., Inami K., Inguglia G., Ishikawa A., Iwasaki M., Iwasaki Y., Jacobs W. W., Jeon H. B., Jia S., Jin Y., Joffe D., Joo K. K., Kahn J., Kaliyar A. B., Karyan G., Kawasaki T., Kim C. H., Kim D. Y., Kim K. T., Kim S. H., Kinoshita K., Kodys P., Korpar S., Kotchetkov D., Krizan P., Kroeger R., Krokovny P., Kuhr T., Kulasiri R., Kuzmin A., Kwon Y-J, Lange J. S., Lee J. Y., Lee S. C., Li C. H., Li L. K., Li Y. B., Gioi L. Li, Libby J., Lieret K., Liventsev D., Lu P-C, Luo T., MacNaughton J., Masuda M., Matvienko D., Merola M., Metzner F., Miyabayashi K., Miyata H., Mizuk R., Mohanty G. B., Mori T., Mussa R., Nakamura I., Nakao M., Nath K. J., Natkaniec Z., Nayak M., Niiyama M., Nisar N. K., Nishida S., Nishimura K., Ogawa S., Ono H., Pakhlov P., Pakhlova G., Pal B., Pardi S., Park H., Park S-H, Paul S., Pestotnik R., Piilonen L. E., Popov V., Prencipe E., Prim M., Rostomyan A., Russo G., Sakai Y., Salehi M., Sandilya S., Sanuki T., Savinov V., Schneider O., Schnell G., Schueler J., Schwanda C., Seino Y., Senyo K., Seon O., Sevior M. E., Shebalin V., Shen C. P., Shiu J-G, Shwartz B., Simon F., Sokolov A., Solovieva E., Stanic S., Staric M., Stottler Z. S., Strube J. F., Sumiyoshi T., Takizawa M., Tanida K., Tenchini F., Trabelsi K., Uchida M., Uglov T., Unno Y., Uno S., Usov Y., Varner G., Varvell K. E., Vinokurova A., Vossen A., Wang C. H., Wang M-Z, Wang P., Won E., Yang S. B., Ye H., Yusa Y., Zhang Z. P., Zhilich V., Zhukova V.

    PHYSICAL REVIEW D   103 ( 7 )   2021.04( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.103.079901

  • Measurement of branching fraction and search for CP violation in B -> phi phi K Reviewed

    Mohanty S., Kaliyar A. B., Gaur V, Mohanty G. B., Adachi I, Adamczyk K., Aihara H., Said S. Al, Asner D. M., Atmacan H., Aulchenko V, Aushev T., Aziz T., Babu V, Bahinipati S., Behera P., Bessner M., Bhardwaj V, Bilka T., Biswal J., Bobrov A., Bozek A., Bracko M., Browder T. E., Campajola M., Cervenkov D., Chekelian V, Chen A., Cheon B. G., Chilikin K., Cho K., Cho S-J, Choi S-K, Choi Y., Choudhury S., Cinabro D., Cunliffe S., Das S., Dash N., De Nardo G., Dhamija R., Capua F. Di, Dolezal Z., Dong T. V, Eidelman S., Ferber T., Fulsom B. G., Gabyshev N., Garmash A., Giri A., Goldenzweig P., Golob B., Grzymkowska O., Guan Y., Gudkova K., Hadjivasiliou C., Halder S., Hayasaka K., Hayashii H., Hou W-S, Hsu C-L, Inami K., Ishikawa A., Itoh R., Iwasaki M., Jacobs W. W., Jeon H. B., Jia S., Jin Y., Joo K. K., Kang K. H., Karyan G., Kim B. H., Kim C. H., Kim D. Y., Kim S. H., Kim Y-K, Kinoshita K., Kodys P., Konno T., Korpar S., Kotchetkov D., Krizan P., Krokovny P., Kulasiri R., Kumar M., Kumar R., Kumara K., Kwon Y-J, Lalwani K., Lee S. C., Li J., Li L. K., Li Y. B., Gioi L. Li, Libby J., Liptak Z., Liventsev D., MacQueen C., Masuda M., Matsuda T., Merola M., Miyabayashi K., Mizuk R., Moon T. J., Mussa R., Nakao M., Natochii A., Nayak L., Nayak M., Nishida S., Ogawa K., Ogawa S., Onuki Y., Oskin P., Pakhlova G., Pardi S., Park C. W., Park H., Park S-H, Patra S., Pedlar T. K., Pestotnik R., Piilonen L. E., Podobnik T., Popov V, Prencipe E., Prim M. T., Rohrken M., Rostomyan A., Rout N., Russo G., Sahoo D., Sakai Y., Sandilya S., Sangal A., Sanuki T., Savinov V, Schnell G., Schueler J., Schwanda C., Schwartz A. J., Seino Y., Senyo K., Sevior M. E., Shapkin M., Sharma C., Shiu J-G, Shwartz B., Simon F., Solovieva E., Staric M., Stottler Z. S., Strube J. F., Sumiyoshi T., Takizawa M., Tanida K., Tao Y., Tenchini F., Uchida M., Unno Y., Uno S., Usov Y., Vahsen S. E., Van Tonder R., Varner G., Varvell K. E., Vinokurova A., Vorobyev V., Wang C. H., Wang E., Wang M-Z, Wang P., Wang X. L., Watanuki S., Wiechczynski J., Won E., Xu X., Yabsley B. D., Yan W., Ye H., Yin J. H., Zhang Z. P., Zhilich V, Zhukova V

    PHYSICAL REVIEW D   103 ( 5 )   2021.03( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.103.052013

  • Evidence for X(3872)→J/ψπ+π− produced in single-tag two-photon interactions Reviewed International coauthorship

    Y. Teramoto, S. Uehara, M. Masuda, et. al. [Belle Collaboration]

    Phys.Rev.Lett.   126 ( 12 )   122001   2021.03

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    DOI: 10.1103/PhysRevLett.126.122001

  • Measurement of branching fractions of Λ+c→ηΛπ+, ηΣ0π+, Λ(1670)π+, and ηΣ(1385)+ Reviewed International coauthorship

    J.Y. Lee, K. Tanida, Y. Kato, S.K. Kim, S.B. Yang, et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   103 ( 5 )   052005   2021.03

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    DOI: 10.1103/PhysRevD.103.052005

  • Test of lepton flavor universality and search for lepton flavor violation in B -> Kll decays Reviewed International coauthorship

    Li Y., Li Y. B., Shen C. P., et. al. [Belle Collaboration]

    JOURNAL OF HIGH ENERGY PHYSICS   ( 2103 )   105   2021.03( ISSN:1029-8479

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    DOI: 10.1007/JHEP03(2021)105

  • Measurement of time-dependent CP violation parameters in B-0 -> (KSKSKS0)-K-0-K-0 decays at Belle Reviewed International coauthorship

    Kang K. H., Park H., Higuchi T., Miyabayashi K., Sumisawa K., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   103 ( 3 )   032003   2021.02( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.103.032003

  • SiD Simulation &amp; Analysis for ILC Snowmass physics LoIs Reviewed International coauthorship

    Potter C.

    International Workshop on Future Linear Colliders, LCWS 2021   2021

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  • Search for lepton-number- and baryon-number-violating tau decays at Belle Reviewed International coauthorship

    Sahoo D., Mohanty G. B., Trabelsi K., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   102 ( 11 )   111101   2020.12( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.102.111101

  • Search for a doubly charged DDK bound state in Upsilon(1S, 2S) inclusive decays and via direct production in e(+)e(-) collisions at root s=10.520, 10.580, and 10.867 GeV Reviewed

    Li Y., Jia S., Shen C. P., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   102 ( 11 )   112001   2020.12( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.102.112001

  • Search for transitions from Upsilon(4S) and Upsilon(5S) to eta(b) (1S) and eta(b) (2S) with emission of an omega meson Reviewed

    Yelton J., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   102 ( 9 )   092011   2020.11( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.102.092011

  • Study of electromagnetic decays of orbitally excited Xi(c) baryons Reviewed

    Yelton J., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   102 ( 7 )   071103   2020.10( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.102.071103

  • Measurement of the charm-mixing parameter y(CP) in D-0 -> K-S(0)omega decays at Belle Reviewed

    Nayak M., Cinabro D., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   102 ( 7 )   071102   2020.10( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.102.071102

  • Search for B-0 decays to invisible final states ( plus gamma) at Belle Reviewed

    Ku Y., Chang P., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   102 ( 1 )   012003   2020.07( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.102.012003

  • Dalitz analysis of D-0 -> K- pi(+)eta decays at Belle Reviewed

    Chen Y. Q., Li L. K., Yan W. B., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   102 ( 1 )   012002   2020.07( ISSN:1550-7998

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.102.012002

  • Update of inclusive cross sections of single and pairs of identified light charged hadrons Reviewed

    R. Seidl, I. Adachi, H. Aihara, D. M. Asner, V. Aulchenko, T. Aushev, I. Badhrees, P. Behera, K. Belous, J. Bennett, B. Bhuyan, J. Biswal, M. Bračko, T. E. Browder, M. Campajola, L. Cao, D. Červenkov, M.-C. Chang, V. Chekelian, A. Chen, K. Chilikin, K. Cho, Y. Choi, S. Choudhury, D. Cinabro, S. Cunliffe, G. De Nardo, F. Di Capua, S. Eidelman, D. Epifanov, J. E. Fast, T. Ferber, B. G. Fulsom, V. Gaur, A. Garmash, A. Giri, P. Goldenzweig, K. Hayasaka, H. Hayashii, W.-S. Hou, K. Huang, K. Inami, A. Ishikawa, M. Iwasaki, Y. Iwasaki, W. W. Jacobs, S. Jia, Y. Jin, K. K. Joo, G. Karyan, D. Y. Kim, S. H. Kim, P. Kodyš, S. Korpar, P. Križan, R. Kroeger, P. Krokovny, A. Kuzmin, Y.-J. Kwon, S. C. Lee, Y. B. Li, L. Li Gioi, J. Libby, K. Lieret, C. MacQueen, M. Masuda, T. Matsuda, D. Matvienko, M. Merola, K. Miyabayashi, R. Mizuk, R. Mussa, M. Nakao, M. Nayak, N. K. Nisar, S. Nishida, K. Nishimura, S. Ogawa, H. Ono, P. Oskin, P. Pakhlov, G. Pakhlova, S. Pardi, S.-H. Park, S. Patra, S. Paul, T. K. Pedlar, L. E. Piilonen, T. Podobnik, V. Popov, E. Prencipe, M. T. Prim, M. Ritter, N. Rout, G. Russo, D. Sahoo, Y. Sakai, S. Sandilya, L. Santelj, T. Sanuki, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, Y. Seino, M. E. Sevior, M. Shapkin, V. Shebalin, J.-G. Shiu, B. Shwartz, E. Solovieva, M. Starič, Z. S. Stottler, M. Sumihama, T. Sumiyoshi, W. Sutcliffe, M. Takizawa, K. Tanida, F. Tenchini, M. Uchida, T. Uglov, Y. Unno, Y. Usov, R. Van Tonder, G. Varner, V. Vorobyev, A. Vossen, C. H. Wang, M.-Z. Wang, P. Wang, S. Watanuki, E. Won, X. Xu, S. B. Yang, J. Yelton, Z. P. Zhang, V. Zhilich, V. Zhukova

    American Physical Society (APS), Physical Review D   101 ( 9 )   2020.05( ISSN:2470-0010

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    We report new measurements of the production cross sections of pairs of
    charged pions and kaons as a function of their fractional energies using
    various fractional-energy definitions. Two different fractional-energy
    definitions were used and compared to the conventional fractional-energy
    definition reported previously. The new variables aim at either identifying
    dihadron cross sections in terms of single-hadron fragmentation functions, or
    to provide a means of characterizing the transverse momentum created in the
    fragmentation process. The results were obtained applying the updated
    initial-state radiation correction used in other recent Belle publications on
    light-hadron production cross sections. In addition, production cross sections
    of single charged pions, kaons, and protons were also updated using this
    initial-state radiation correction. The cross sections are obtained from a
    $558\,{\rm fb}^{-1}$ data sample collected at the $\Upsilon(4S)$ resonance with
    the Belle detector at the KEKB asymmetric-energy $e^+ e^-$ collider.

    DOI: 10.1103/physrevd.101.092004

    Other URL: http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevD.101.092004/fulltext

  • Update of inclusive cross sections of single and pairs of identified light charged hadrons Reviewed

    Seidl R., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   101 ( 9 )   092004   2020.05( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.101.092004

  • Evidence for a vector charmoniumlike state in e(+ )e(-) -> Ds+Ds2*(2573)(-) + c.c Reviewed

    Jia S., Shen C. P., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   101 ( 9 )   091101   2020.05( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.101.091101

  • First search for the eta(c2)(1D) in B decays at Belle Reviewed

    Chilikin K., et. al. [Belle Collaboration]

    JOURNAL OF HIGH ENERGY PHYSICS   ( 2005 )   034   2020.05( ISSN:1029-8479

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1007/JHEP05(2020)034

  • Measurement of R(D) and R(D*) with a Semileptonic Tagging Method Reviewed

    Caria G., Urquijo P., et. al. [Belle Collaboration]

    PHYSICAL REVIEW LETTERS   124 ( 16 )   161803   2020.04( ISSN:0031-9007

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevLett.124.161803

  • Observation of the Radiative Decays of Upsilon(1S) to chi(c1) Reviewed International coauthorship

    Katrenko P., et. al. [Belle Collaboration]

    PHYSICAL REVIEW LETTERS   124 ( 12 )   122001   2020.03( ISSN:0031-9007

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevLett.124.122001

  • Study of B -> p<(p)over bar>pi pi Reviewed International coauthorship

    Chu K., Wang M. Z., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   101 ( 5 )   052012   2020.03( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.101.052012

  • Search for B+ -> mu(+)nu(mu) and B+ -> mu N+ with inclusive tagging Reviewed International coauthorship

    Prim M. T., Bernlochner F. U., Prim F. U. M. T., Goldenzweig P., Heck M., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   101 ( 3 )   032007   2020.02( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.101.032007

  • Measurement of the integrated luminosity of the Phase 2 data of the Belle II experiment Reviewed International coauthorship

    Abudinen F., et. al. [Belle II Collaboration]

    CHINESE PHYSICS C   44 ( 2 )   021001   2020.02( ISSN:1674-1137

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work   International / domestic magazine:International journal  

    DOI: 10.1088/1674-1137/44/2/021001

  • The Belle II Physics Book (Dec, 10.1093/ptep/ptz106, 2019) Reviewed International coauthorship

    Kou E., Urquijo P., et. al.

    PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS   2020 ( 2 )   2020.02( ISSN:2050-3911

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1093/ptep/ptaa008

  • Observation of a vector charmoniumlike state in e(+)e(-) -> D-s(+) D-s1 (2536)(-) + c.c. Reviewed International coauthorship

    Jia S., Shen C. P., Yuan C. Z., Wang X. L., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   100 ( 11 )   2019.12( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.100.111103

  • Measurements of the branching fractions B(B- -> (Lambda)over-bar(c)(-)Xi'(0)(c)), B(B- -> (Lambda)over-bar(c)(-)Xi(c )(2645)(0)) and B(B- -> (Lambda)over-bar(c)(-)Xi(c)(2790)(0)) Reviewed International coauthorship

    Li Y., Li Y. B., Shen C. P., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   100 ( 12 )   2019.12( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.100.112010

  • The Belle II Physics Book Reviewed International coauthorship

    Kou E., Urquijo P., et. al.

    PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS   ( 12 )   2019.12( ISSN:2050-3911

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work   International / domestic magazine:International journal  

    DOI: 10.1093/ptep/ptz106

  • Azimuthal asymmetries of back-to-back pi(+/-) - (pi(0), eta, pi(+/-)) pairs in e(+) e(-) annihilation Reviewed International coauthorship

    Li H., Vossen A., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   100 ( 9 )   2019.11( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.100.092008

  • Observation of a new structure near 10.75 GeV in the energy dependence of the e(+)e(-)-> Upsilon (nS)pi(+)pi(-) (n=1, 2, 3) cross sections Reviewed International coauthorship

    Mizuk R., Bondar A., et. al. [Belle Collaboration]

    JOURNAL OF HIGH ENERGY PHYSICS   ( 10 )   2019.10( ISSN:1029-8479

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1007/JHEP10(2019)220

  • First measurement of the CKM angle ϕ <inf>3</inf> withS B ± → D(KS0 π + π π 0) K ± decays Reviewed International coauthorship

    P. K. Resmi, J. Libby, K. Trabelsi, et. al. [Belle Collaboration]

    Journal of High Energy Physics   2019   2019.10( ISSN:11266708

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    © 2019, The Author(s). We present the first model-independent measurement of the CKM unitarity triangle angle ϕ3 using B±→ D(KS0π+π−π0) K± decays, where D indicates either a D0 or D¯ 0 meson. Measurements of the strong-phase difference of the D →KS0π+π−π0 amplitude obtained from CLEO-c data are used as input. This analysis is based on the full Belle data set of 772 × 106BB¯ events collected at the Υ(4S) resonance. We obtain ϕ3 = (5.7−8.8+10.2±3.5±5.7)° and the suppressed amplitude ratio rB = 0.323±0.147±0.023±0.051. Here the first uncertainty is statistical, the second is the experimental systematic, and the third is due to the precision of the strong-phase parameters measured from CLEO-c data. The 95% confidence interval on ϕ3 is (−29.7, 109.5)°, which is consistent with the current world average. [Figure not available: see fulltext.]

    DOI: 10.1007/JHEP10(2019)178

  • Observation of τ- →π-ντe+e- and search for τ- →π-ντμ+μ- Reviewed International coauthorship

    Y. Jin, H. Aihara, D. Epifanov, et. al. [Belle Collaboration]

    Physical Review D   100 ( 7 )   2019.10( ISSN:24700010

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    DOI: 10.1103/PhysRevD.100.071101

  • Measurement of the CKM matrix element vertical bar V-cb vertical bar from B-0 -> D*(-)l(+)nu(l) at Belle Reviewed International coauthorship

    Waheed E., Urquijo P., Ferlewicz D.,et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   100 ( 5 )   2019.09( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.100.052007

  • First measurements of absolute branching fractions of the Xi(+)(c) baryon at Belle Reviewed International coauthorship

    Li Y. B., Shen C. P., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   100 ( 3 )   2019.08( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.100.031101

  • Search for ω (2012) →k Ξ (1530) →kπ Ξ at Belle Reviewed International coauthorship

    S. Jia, C. P. Shen, et. al. [Belle Collaboration]

    Physical Review D   100 ( 3 )   2019.08( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    © 2019 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the https://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP 3 . Using data samples of e+e- collisions collected at the I(1S), I(2S), and I(3S) resonances with the Belle detector, we search for the three-body decay of the ω(2012) baryon to KπΞ. This decay is predicted to dominate for models describing the ω(2012) as a KΞ(1530) molecule. No significant ω(2012) signals are observed in the studied channels, and 90% credibility level upper limits on the ratios of the branching fractions relative to KΞ decay modes are obtained.

    DOI: 10.1103/PhysRevD.100.032006

  • Evidence for B+ -> h(c)K(+) and observation of eta(c()2S) -> p(p)over-bar pi(+)pi(-) Reviewed International coauthorship

    Chilikin K., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   100 ( 1 )   2019.07( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.100.012001

  • Measurement of branching fraction and final-state asymmetry for the B 0 ? KS0 K p± Decay Reviewed International coauthorship

    Y. T. Lai, et. al. [Belle Collaboration]

    Physical Review D   100 ( 1 )   2019.07( ISSN:24700010

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    © 2019 authors. Published by the American Physical Society. We report a measurement of the branching fraction and final-state asymmetry for the B0?KS0K±p± decays. The analysis is based on a data sample of 711 fb-1 collected at the ?(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We obtain a branching fraction of (3.60±0.33±0.15)×10-6 and a final-state asymmetry of (-8.5±8.9±0.2)%, where the first uncertainties are statistical and the second are systematic. Hints of peaking structures are found in the differential branching fractions measured as functions of Dalitz variables.

    DOI: 10.1103/PhysRevD.100.011101

  • Search for B0 →x (3872)γ Reviewed International coauthorship

    P. C. Chou, P. Chang, et. al. [Belle Collaboration]

    Physical Review D   100 ( 1 )   2019.07( ISSN:24700010

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    © 2019 authors. Published by the American Physical Society. We report the results of a search for the decay B0→X(3872)(→J/ψπ+π-)γ. The analysis is performed on a data sample corresponding to an integrated luminosity of 711 fb-1 and containing 772×106BB pairs, collected with the Belle detector at the KEKB asymmetric-energy e+e- collider running at the (4S) resonance energy. We find no evidence for a signal and place an upper limit of B(B0→X(3872)γ)×B(X(3872)→J/ψπ+π-)<5.1×10-7 at 90% confidence level.

    DOI: 10.1103/PhysRevD.100.012002

  • Transverse momentum dependent production cross sections of charged pions, kaons and protons produced in inclusive e(+)e(-) annihilation at root s=10.58 GeV Reviewed International coauthorship

    Seidl R., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   99 ( 11 )   2019.06( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.99.112006

  • Search for X(3872) and X(3915) decay into chi(c1)pi(0) in B decays at Belle Reviewed International coauthorship

    Bhardwaj V, Jia S., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   99 ( 11 )   2019.06( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.99.111101

  • Evidence for the decay B-0 -> p(p)over-bar pi(0) Reviewed International coauthorship

    Pal B., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   99 ( 9 )   2019.05( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.99.091104

  • Search for the B -> Y(4260)K, Y(4260) -> J/psi pi(+)pi(-) decays Reviewed International coauthorship

    Garg R., Bhardwaj V., Singh J. B., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   99 ( 7 )   2019.04( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.99.071102

  • Measurements of isospin asymmetry and difference of direct CP asymmetries in inclusive B -> X-s gamma decays Reviewed International coauthorship

    Watanuki S., Ishikawa A., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   99 ( 3 )   2019.02( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.99.032012

  • Observation of B+ -> p(Lambda)over-barK(+) K- and B+ -> (p)over-bar Lambda K+ K+ Reviewed International coauthorship

    Lu P. -C., Wang M. -Z., Chistov R., Chang P., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   99 ( 3 )   2019.02( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.99.032003

  • Observation of Ξ (1620)0 and Evidence for Ξ (1690)0 in Ξc+ → Ξ-π+π+ Decays Reviewed International coauthorship

    M. Sumihama, et. al. [Belle Collaboration]

    Physical Review Letters   122 ( 7 )   2019.02( ISSN:00319007

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    © 2019 authors. Published by the American Physical Society. We report the first observation of the double strange baryon Ξ(1620)0 in its decay to Ξ-π+ via Ξc+→Ξ-π+π+ decays based on a 980 fb-1 data sample collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The mass and width are measured to be 1610.4±6.0(stat)-4.2+6.1 (syst) MeV/c2 and 59.9±4.8(stat)-7.1+2.8(syst) MeV, respectively. We obtain 4.0σ evidence of the Ξ(1690)0 with the same data sample. These results shed light on the structure of hyperon resonances with strangeness S=-2.

    DOI: 10.1103/PhysRevLett.122.072501

    PubMed

  • Measurements of branching fraction and direct CP asymmetry in B± → KS0 KS0 K± and a search for B± → KS0 KS0 π± Reviewed International coauthorship

    A. B. Kaliyar, P. Behera, G. B. Mohanty, V. Gaur, et. al. [Belle Collaboration]

    Physical Review D   99 ( 3 )   2019.02( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    © 2019 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the https://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP 3 . We study charmless hadronic decays of charged B mesons to the final states KS0KS0K± and KS0KS0π± using a 711 fb-1 data sample that contains 772×106 BB̄ pairs and was collected at the Ï (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. For B±→KS0KS0K±, the measured branching fraction and direct CP asymmetry are [10.42±0.43(stat)±0.22(syst)]×10-6 and [+1.6±3.9(stat)±0.9(syst)]%, respectively. In the absence of a statistically significant signal for B±→KS0KS0π±, we obtain a 90% confidence-level upper limit on its branching fraction as 8.7×10-7.

    DOI: 10.1103/PhysRevD.99.031102

  • First measurements of absolute branching fractions of the Ξc <inf>0</inf> Baryon at Belle Reviewed International coauthorship

    Y. B. Li, C. P. Shen, C. Z. Yuan, et. al. [Belle Collaboration]

    Physical Review Letters   122 ( 8 )   2019.02( ISSN:00319007

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    © 2019 Authors. Published by the American Physical Society. We present the first measurements of absolute branching fractions of Ξc 0 decays into Ξ-π+, ΛK-π+, and pK-K-π+ final states. The measurements are made using a dataset comprising (772±11)×106 BB̄ pairs collected at the (4S) resonance with the Belle detector at the KEKB e+e-collider. We first measure the absolute branching fraction for B-→Λ̄c-Ξc 0 using a missing-mass technique; the result is B(B-→Λ̄c-Ξc 0 )=(9.51±2.10±0.88)×10-4. We subsequently measure the product branching fractions B(B-→Λ̄c-Ξc 0 )B(Ξc 0 →Ξ-π+), B(B-→Λ̄c-Ξc 0 )B(Ξc 0 →ΛK-π+), and B(B-→Λ̄c-Ξc 0 )B(Ξc 0 →pK-K-π+) with improved precision. Dividing these product branching fractions by the result for B-→Λ̄c-Ξc 0 yields the following branching fractions: B(Ξc 0 →Ξ-π+)=(1.80±0.50±0.14)%, B(Ξc 0 →ΛK-π+)=(1.17±0.37±0.09)%, and B(Ξc 0 →pK-K-π+)=(0.58±0.23±0.05)%. For the above branching fractions, the first uncertainties are statistical and the second are systematic. Our result for B(Ξc 0 →Ξ-π+) can be combined with Ξc 0 branching fractions measured relative to Ξc 0 →Ξ-π+ to yield other absolute Ξc 0 branching fractions.

    DOI: 10.1103/PhysRevLett.122.082001

    PubMed

  • Search for CP violation with kinematic asymmetries in the D-0 -> K+K- pi(+)pi(-) decay Reviewed International coauthorship

    Kim J. B., Won E., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   99 ( 1 )   2019.01( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.99.011104

  • Observation of Transverse Λ / Λ Hyperon Polarization in e+e- Annihilation at Belle Reviewed International coauthorship

    Y. Guan, A. Vossen, et. al. [Belle Collaboration]

    Physical Review Letters   122 ( 4 )   2019.01( ISSN:00319007

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    © 2019 authors. We report the first observation of the spontaneous polarization of Λ and Λ hyperons transverse to the production plane in e+e- annihilation, which is attributed to the effect arising from a polarizing fragmentation function. For inclusive Λ/Λ production, we also report results with subtracted feed-down contributions from Σ0 and charm. This measurement uses a dataset of 800.4 fb-1 collected by the Belle experiment at or near a center-of-mass energy of 10.58 GeV. We observe a significant polarization that rises with the fractional energy carried by the Λ/Λ hyperon.

    DOI: 10.1103/PhysRevLett.122.042001

    PubMed

  • Measurement of time-dependent CP violation in B0 → KS0 π0π0 decays Reviewed International coauthorship

    Y. Yusa, et. al. [Belle Collaboation]

    Physical Review D   99 ( 1 )   2019.01( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    © 2019 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the »https://creativecommons.org/licenses/by/4.0/» Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP 3 . We report a measurement of time-dependent CP violation in B0→KS0π0π0 decays using a data sample of 772×106 BB pairs collected by the Belle experiment running at the ?(4S) resonance at the KEKB e+e- collider. This decay proceeds mainly via a b→sdd "penguin" amplitude. The results are sin2φ1eff=0.92-0.31+0.27 (stat.) ±0.11 (syst.) and A=0.28±0.21 (stat.) ±0.04 (syst.), which are the most precise measurements of CP violation in this decay mode to date. The value for the CP-violating parameter sin2φ1eff is consistent with that obtained using decay modes proceeding via a b→ccs "tree" amplitude.

    DOI: 10.1103/PhysRevD.99.011102

  • Search for a Light CP -odd Higgs Boson and Low-Mass Dark Matter at the Belle Experiment Reviewed International coauthorship

    I. S. Seong, S. E. Vahsen, et. al. [Belle Collaboration]

    Physical Review Letters   122 ( 1 )   2019.01( ISSN:00319007

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    © 2019 authors. Published by the American Physical Society. We report on the first Belle search for a light CP-odd Higgs boson, A0, that decays into low mass dark matter, χ, in final states with a single photon and missing energy. We search for events produced via the dipion transition (2S)→ (1S)π+π-, followed by the on-shell process (1S)→γA0 with A0→χχ, or by the off-shell process (1S)→γχχ. Utilizing a data sample of 157.3×106 (2S) decays, we find no evidence for a signal. We set limits on the branching fractions of such processes in the mass ranges MA0<8.97 GeV/c2 and Mχ<4.44 GeV/c2. We then use the limits on the off-shell process to set competitive limits on WIMP-nucleon scattering in the WIMP mass range below 5 GeV/c2.

    DOI: 10.1103/PhysRevLett.122.011801

    PubMed

  • Measurement of the branching fraction and time-dependent CP asymmetry for B-0 -> J/psi pi(0) decays Reviewed International coauthorship

    Pal B., Schwartz A. J., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   98 ( 11 )   2018.12( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.98.112008

  • Measurement of the decays Lambda c -> Sigma pi pi at Belle Reviewed International coauthorship

    Berger M., Schwanda C., Suzuki K., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   98 ( 11 )   2018.12( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.98.112006

  • Observation of gamma(2S) -> gamma eta(b)(1S) Decay Reviewed International coauthorship

    Fulsom B. G., Pedlar T. K., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW LETTERS   121 ( 23 )   2018.12( ISSN:0031-9007

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevLett.121.232001

  • Search for the rare decay of B+ →+νγ with improved hadronic tagging Reviewed International coauthorship

    M. Gelb, F. U. Bernlochner, P. Goldenzweig, F. Metzner, et. al. [Belle Collaboation]

    Physical Review D   98 ( 11 )   2018.12( ISSN:24700010

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    © 2018 authors. Published by the American Physical Society. We present the result of the search for the rare B meson decay of B+→+νγ with =e,μ. For the search the full data set recorded by the Belle experiment of 711 fb-1 integrated luminosity near the (4S) resonance is used. Signal candidates are reconstructed for photon energies Eγ larger than 1 GeV using a novel multivariate tagging algorithm. The novel algorithm fully reconstructs the second B meson produced in the collision using hadronic modes and was specifically trained to recognize the signal signature in combination with hadronic tag-side B meson decays. This approach greatly enhances the performance. Background processes that can mimic this signature, mainly charmless semileptonic decays and continuum processes, are suppressed using multivariate methods. The number of signal candidates is determined by analyzing the missing mass squared distribution as inferred from the signal side particles and the kinematic properties of the tag-side B meson. No significant excess over the background-only hypothesis is observed and upper limits on the partial branching fraction ΔB with Eγ>1 GeV individually for electron and muon final states as well as for the average branching fraction of both lepton final states are reported. We find a Bayesian upper limit of ΔB(B+→+νγ)<3.0×10-6 at 90% CL and also report an upper limit on the first inverse moment of the light-cone distribution amplitude of the B meson of λB>0.24 GeV at 90% CL.

    DOI: 10.1103/PhysRevD.98.112016

  • Measurement of cos2β in B0 →d (∗)h0 with D → KS0 π+π- decays by a combined time-dependent Dalitz plot analysis of BaBar and Belle data Reviewed International coauthorship

    I. Adachi, et. al. [BaBar and Belle Collaboations]

    Physical Review D   98 ( 11 )   2018.12( ISSN:24700010

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    © 2018 authors. Published by the American Physical Society. We report measurements of sin2β and cos2β using a time-dependent Dalitz plot analysis of B0→D(∗)h0 with D→KS0π+π- decays, where the light unflavored and neutral hadron h0 is a π0, η, or ω meson. The analysis uses a combination of the final data sets of the BaBar and Belle experiments containing 471×106 and 772×106 BB pairs collected at the (4S) resonance at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. We measure sin2β=0.80±0.14(stat)±0.06(syst)±0.03(model) and cos2β=0.91±0.22(stat)±0.09(syst)±0.07(model). The result for the direct measurement of the angle is β=(22.5±4.4(stat)±1.2(syst)±0.6(model))°. The last quoted uncertainties are due to the composition of the D0→KS0π+π- decay amplitude model, which is newly established by a Dalitz plot amplitude analysis of a high-statistics e+e-→cc data sample as part of this analysis. We find the first evidence for cos2β>0 at the level of 3.7 standard deviations. The measurement excludes the trigonometric multifold solution π/2-β=(68.1±0.7)° at the level of 7.3 standard deviations and therefore resolves an ambiguity in the determination of the apex of the CKM Unitarity Triangle. The hypothesis of β=0° is ruled out at the level of 5.1 standard deviations, and thus CP violation is observed in B0→D(∗)h0 decays. The measurement assumes no direct CP violation in B0→D(∗)h0 decays.

    DOI: 10.1103/PhysRevD.98.112012

  • First Evidence for cos2β&gt;0 and Resolution of the Cabibbo-Kobayashi-Maskawa Quark-Mixing Unitarity Triangle Ambiguity Reviewed International coauthorship

    I. Adachi, et. al. [BaBar and Belle Collaborations]

    Physical Review Letters   121 ( 26 )   2018.12( ISSN:00319007

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    © 2018 authors. Published by the American Physical Society. We present first evidence that the cosine of the CP-violating weak phase 2β is positive, and hence exclude trigonometric multifold solutions of the Cabibbo-Kobayashi-Maskawa (CKM) Unitarity Triangle using a time-dependent Dalitz plot analysis of B0→D(∗)h0 with D→KS0π+π- decays, where h0 {π0,η,ω} denotes a light unflavored and neutral hadron. The measurement is performed combining the final data sets of the BABAR and Belle experiments collected at the (4S) resonance at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. The data samples contain (471±3)×106BB pairs recorded by the BABAR detector and (772±11)×106BB pairs recorded by the Belle detector. The results of the measurement are sin2β=0.80±0.14(stat)±0.06(syst)±0.03(model) and cos2β=0.91±0.22(stat)±0.09(syst)±0.07(model). The result for the direct measurement of the angle β of the CKM Unitarity Triangle is β=[22.5±4.4(stat)±1.2(syst)±0.6(model)]°. The measurement assumes no direct CP violation in B0→D(∗)h0 decays. The quoted model uncertainties are due to the composition of the D0→KS0π+π- decay amplitude model, which is newly established by performing a Dalitz plot amplitude analysis using a high-statistics e+e-→cc data sample. CP violation is observed in B0→D(∗)h0 decays at the level of 5.1 standard deviations. The significance for cos2β>0 is 3.7 standard deviations. The trigonometric multifold solution π/2-β=(68.1±0.7)° is excluded at the level of 7.3 standard deviations. The measurement resolves an ambiguity in the determination of the apex of the CKM Unitarity Triangle.

    DOI: 10.1103/PhysRevLett.121.261801

    PubMed

  • Observation of e(+) e(-) -> pi(+) pi(-) pi(0)chi(b1,2) (1P) and search for e(+) e (-) -> phi chi(b1,2) (1P) at root s=10.96-11.05 GeV Reviewed International coauthorship

    Yin J. H., Yuan C. Z., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   98 ( 9 )   2018.11( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.98.091102

  • Evidence of a structure in K¯0Λc+ consistent with a charged Ξ <inf>c</inf>(2930) + , and updated measurement of B¯0K¯0Λc+Λ¯c- at Belle: Belle Collaboration Reviewed International coauthorship

    Y. B. Li, C. P. Shen, et. al. [Belle Collaboation]

    European Physical Journal C   78 ( 11 )   2018.11( ISSN:14346044

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    © 2018, The Author(s). We report evidence for the charged charmed-strange baryon Ξ c(2930) + with a signal significance of 3.9σ with systematic errors included. The charged Ξ c(2930) + is found in its decay to KS0Λc+ in the substructure of B¯0→KS0Λc+Λ¯c- decays. The measured mass and width are [2942.3 ± 4.4 (stat.) ± 1.5 (syst.)] MeV/c2 and [14.8 ± 8.8 (stat.) ± 2.5 (syst.)] MeV, respectively, and the product branching fraction is B(B¯0→Ξc(2930)+Λ¯c-)B(Ξc(2930)+→K¯0Λc+)=[2.37±0.51(stat.)±0.31(syst.)]×10-4. We also measure B(B¯0→K¯0Λc+Λ¯c-)=[3.99±0.76(stat.)±0.51(syst.)]×10-4 with greater precision than previous experiments, and present the results of a search for the charmonium-like state Y(4660) and its spin partner, Yη, in the Λc+Λ¯c- invariant mass spectrum. No clear signals of the Y(4660) or Yη are observed and the 90% credibility level (C.L.) upper limits on their production rates are determined. These measurements are obtained from a sample of (772 ± 11) × 10 6BB¯ pairs collected at the Υ (4 S) resonance by the Belle detector at the KEKB asymmetric energy electron-positron collider.

    DOI: 10.1140/epjc/s10052-018-6425-5

  • Observation of e + e - → γχ <inf>c1</inf> and search for e + e - → γχ <inf>c0</inf> , γχ <inf>c2</inf> , and γη <inf>c</inf> at √s near 10.6 GeV at Belle Reviewed International coauthorship

    S. Jia, X. L. Wang, C. P. Shen, C. Z. Yuan, et. al. [Belle Collaboation]

    Physical Review D   98 ( 9 )   2018.11( ISSN:24700010

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    © 2018 authors. Published by the American Physical Society. Using data samples of 89.5 fb-1, 711.0 fb-1, and 121.4 fb-1 collected with the Belle detector at the KEKB asymmetric-energy e+e- collider at center-of-mass energies 10.52, 10.58, and 10.867 GeV, respectively, we study the exclusive reactions e+e-→γχcJ (J=0, 1, 2) and e+e-→γηc. A significant γχc1 signal is observed for the first time at s=10.58 GeV with a significance of 5.1σ including systematic uncertainties. No significant excesses for γχc0, γχc2, and γηc final states are found, and we set 90% credibility level upper limits on the Born cross sections (σB) at 10.52 GeV, 10.58 GeV, and 10.867 GeV. Together with cross sections measured by BESIII at lower center-of-mass energies, the energy dependency of σB(e+e-→γχc1) is obtained.

    DOI: 10.1103/PhysRevD.98.092015

  • Measurement of eta(c) (1S), eta(c)(2S), and nonresonant eta 'pi(+)pi(-) production via two-photon collisions Reviewed International coauthorship

    Xu Q. N., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   98 ( 7 )   2018.10( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.98.072001

  • Search for the lepton-flavor-violating decay B 0 → K *0 μ ± e Reviewed International coauthorship

    S. Sandilya, K. Trabelsi, A. J. Schwartz, et. al. [Belle Collaboation]

    Physical Review D   98 ( 7 )   2018.10( ISSN:24700010

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    © 2018 authors. Published by the American Physical Society. We have searched for the lepton-flavor-violating decay B0→K∗0μ±e using a data sample of 711 fb-1 that contains 772×106 BB̄ pairs. The data were collected near the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. No signals were observed, and we set 90% confidence level upper limits on the branching fractions of B(B0→K∗0μ+e-)<1.2×10-7, B(B0→K∗0μ-e+)<1.6×10-7, and, for both decays combined, B(B0→K∗0μ±e)<1.8×10-7. These are the most stringent limits on these decays to date.

    DOI: 10.1103/PhysRevD.98.071101

  • Observation of Upsilon(4S) -> eta 'Upsilon(1S) Reviewed International coauthorship

    Guido E., Mussa R., Tamponi U., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW LETTERS   121 ( 6 )   2018.08( ISSN:0031-9007

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevLett.121.062001

  • Observation of an Excited Ω- Baryon Reviewed International coauthorship

    J. Yelton, et. al. [Belle Collaboation]

    Physical Review Letters   121 ( 5 )   2018.08( ISSN:00319007

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    © 2018 authors. Published by the American Physical Society. Using data recorded with the Belle detector, we observe a new excited hyperon, an Ω∗- candidate decaying into Ξ0K- and Ξ-KS0 with a mass of 2012.4±0.7(stat)±0.6(syst) MeV/c2 and a width of Γ=6.4-2.0+2.5(stat)±1.6(syst) MeV. The Ω∗- is seen primarily in (1S), (2S), and (3S) decays.

    DOI: 10.1103/PhysRevLett.121.052003

  • Inclusive study of bottomonium production in association with an η meson in e+e- annihilations near Υ(5 S) : Belle Collaboration Reviewed International coauthorship

    U. Tamponi, E. Guido, R. Mussa, et. al. [Belle Collaboation]

    European Physical Journal C   78 ( 8 )   2018.08( ISSN:14346044

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    © 2018, The Author(s). We study bottomonium production in association with an η meson in e+e- annihilations near the Υ(5 S) , at a centre-of-mass energy of s=10.866 GeV. The results are based on the 121.4 fb- 1 data sample collected by the Belle experiment at the asymmetric-energy KEKB collider. Only the η meson is reconstructed and the missing-mass spectrum of η candidates is investigated. We observe the e+e-→ ηΥJ(1 D) process and find evidence for the e+e-→ ηΥ(2 S) process, while no significant signals of Υ(1 S) , hb(1 P) , nor hb(2 P) are found. Cross sections for the studied processes are reported.

    DOI: 10.1140/epjc/s10052-018-6086-4

  • Measurement of the branching fraction of B -> D-(*()) pi l nu at Belle using hadronic tagging in fully reconstructed events Reviewed International coauthorship

    Vossen A., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   98 ( 1 )   2018.07( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.98.012005

  • Search for B- →μ- ν μ Decays at the Belle Experiment Reviewed International coauthorship

    A. Sibidanov, K. E. Varvell, et. al. [Belle Collaboation]

    Physical Review Letters   121 ( 3 )   2018.07( ISSN:00319007

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    © 2018 authors. Published by the American Physical Society. We report the results of a search for the rare, purely leptonic decay B-→μ-ν μ performed with a 711 fb-1 data sample that contains 772×106 BB pairs, collected near the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. The signal events are selected based on the presence of a high momentum muon and the topology of the rest of the event showing properties of a generic B-meson decay, as well as the missing energy and momentum being consistent with the hypothesis of a neutrino from the signal decay. We find a 2.4 standard deviation excess above background including systematic uncertainties, which corresponds to a branching fraction of B(B-→μ-νμ)=(6.46±2.22±1.60)×10-7 or a frequentist 90% confidence level interval on the B-→μ-ν μ branching fraction of [2.9,10.7]×10-7.

    DOI: 10.1103/PhysRevLett.121.031801

  • Search for ϒ(1S,2S)→Zc+Zc(′)− and e+e−→Zc+Zc(′)− at s=10.52 , 10.58, and 10.867 GeV Reviewed International coauthorship

    S. Jia, C. P. Shen, C. Z. Yuan, et. al. [Belle Collaboation]

    Physical Review D   97   2018.06( ISSN:24700010

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    © 2018 American Physical Society. The first search for double charged charmoniumlike state production in Ï?(1S) and Ï?(2S) decays and in e+e- annihilation at s=10.52, 10.58, and 10.867 GeV is conducted using data collected with the Belle detector at the KEKB asymmetric energy electron-positron collider. No significant signals are observed in any of the studied modes, and the 90% credibility level upper limits on their product branching fractions in Ï?(1S) and Ï?(2S) decays [B(Ï?(1S,2S)→Zc+Zc(′)-)×B(Zc+→π++cc) (cc=J/ψ, χc1(1P), ψ(2S))] and the product of Born cross section and branching fraction for e+e-→Zc+Zc(′)- (σ(e+e-→Zc+Zc(′)-)×B(Zc+→π++cc)) at s=10.52, 10.58, and 10.867 GeV are determined. Here, Zc refers to the Zc(3900) and Zc(4200) observed in the πJ/ψ final state, the Zc1(4050) and Zc2(4250) in the πχc1(1P) final state, and the Zc(4050) and Zc(4430) in the πψ(2S) final state.

    DOI: 10.1103/PhysRevD.97.112004

  • Measurement of time-dependent CP asymmetries in B-0 -> K-S(0)eta gamma decays Reviewed International coauthorship

    Nakano H., Ishikawa A., Sumisawa K., Yamamoto H., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   97 ( 9 )   2018.05( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.97.092003

  • Study of KS0 pair production in single-tag two-photon collisions Reviewed International coauthorship

    M. Masuda, S. Uehara, Y. Watanabe, et. al. [Belle Collaboation]

    Physical Review D   97 ( 5 )   2018.03( ISSN:24700010

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    © 2018 authors. We report a measurement of the cross section for KS0 pair production in single-tag two-photon collisions, γ∗γ→KS0KS0, for Q2 up to 30 GeV2, where Q2 is the negative of the invariant mass squared of the tagged photon. The measurement covers the kinematic range 1.0 GeV<W<2.6 GeV and |cosθ∗|<1.0 for the total energy and kaon scattering angle, respectively, in the γ∗γ center-of-mass system. These results are based on a data sample of 759 fb-1 collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. For the first time, the transition form factor of the f2′(1525) meson is measured separately for the helicity-0, -1, and -2 components and also compared with theoretical calculations. We have derived the cross section for the process for W<2.6 GeV from 121 signal candidate events. Finally, the γ∗γ partial decay widths of the χc0 and χc2 mesons are measured as a function of Q2 based on 10 candidate events in total.

    DOI: 10.1103/PhysRevD.97.052003

  • RaspberryPi を用いた測定器データ収集システムの構築 -安価に手軽にDAQ構築- Reviewed

    岩崎 昌子, 南條 創, 帯名 崇, 上窪田 紀彦, 山本 昇

    高エネルギーニュース   36 ( 4 )   189 - 196   2018.03

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work   International / domestic magazine:Domestic journal  

  • Observation of Ξ <inf>c</inf>(2930) 0 and updated measurement of B-K-Λc+Λ¯c- at Belle: Belle Collaboration Reviewed International coauthorship

    Y. B. Li, C. P. Shen, et. al. [Belle Collaboation]

    European Physical Journal C   78 ( 3 )   2018.03( ISSN:14346044

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    © 2018, The Author(s). We report the first observation of the Ξ c(2930) 0 charmed-strange baryon with a significance greater than 5σ. The Ξ c(2930) 0 is found in its decay to K-Λc+ in B-→K-Λc+Λ¯c- decays. The measured mass and width are [2928.9±3.0(stat.)-12.0+0.9(syst.)] MeV/c2 and [19.5±8.4(stat.)-7.9+5.9(syst.)] MeV, respectively, and the product branching fraction is B(B-→Ξc(2930)0Λ¯c-)B(Ξc(2930)0→K-Λc+)=[1.73±0.45(stat.)±0.21(syst.)]×10-4. We also measure B(B-→K-Λc+Λ¯c-)=[4.80±0.43(stat.)±0.60(syst.)]×10-4 with improved precision, and search for the charmonium-like state Y(4660) and its spin partner, Yη, in the Λc+Λ¯c- invariant mass spectrum. No clear signals of the Y(4660) nor its spin partner are observed and the 90% credibility level (C.L.) upper limits on their production rates are determined. These measurements are obtained from a sample of (772 ± 11) × 10 6BB¯ pairs collected at the Υ (4 S) resonance by the Belle detector at the KEKB asymmetric energy electron–positron collider.

    DOI: 10.1140/epjc/s10052-018-5720-5

  • Observation of excited Ωc charmed baryons in e+e- collisions Reviewed International coauthorship

    J. Yelton, et. al. [Belle Collaboation]

    Physical Review D   97 ( 5 )   2018.03( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    © 2018 authors. Using the entire Belle data sample of 980 fb-1 of e+e- collisions, we present the results of a study of excited Ωc charmed baryons in the decay mode Ξc+K-. We show confirmation of four of the five narrow states reported by the LHCb Collaboration: the Ωc(3000), Ωc(3050), Ωc(3066), and Ωc(3090).

    DOI: 10.1103/PhysRevD.97.051102

  • Measurement of the tau Michel parameters (eta)over-bar and xi kappa in the radiative leptonic decay tau(-) -> l(-)nu(tau)(nu)over-bar(l)gamma Reviewed International coauthorship

    Shimizu N., Aihara H., Epifanov D., ..., Iwasaki M., 他 Belle Collaboration

    PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS   ( 2 )   2018.02( ISSN:2050-3911

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1093/ptep/pty003

  • Measurement of branching fractions of hadronic decays of the Ω c 0 baryon Reviewed International coauthorship

    J. Yelton, et. al. [Belle Collaboation]

    Physical Review D   97 ( 3 )   2018.02( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    © 2018 authors. Using a data sample of 980 fb-1 of e+e- annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy e+e- collider, we report the results of a study of the decays of the Ωc0 charmed baryon into hadronic final states. We report the most precise measurements to date of the relative branching fractions of the Ωc0 into Ω-π+π0, Ω-π+π-π+, Ξ-K-π+π+, and Ξ0K-π+, as well as the first measurements of the branching fractions of the Ωc0 into Ξ-K̄0π+, Ξ0K̄0, and ΛK̄0K̄0, all with respect to the Ω-π+ decay. In addition, we investigate the resonant substructure of these modes. Finally, we present a limit on the branching fraction for the decay Ωc0→Σ+K-K-π+.

    DOI: 10.1103/PhysRevD.97.032001

  • Search for CP violation in the D+ -> pi(+) pi(0) decay at Belle Reviewed International coauthorship

    Babu V., Trabelsi K., Mohanty G. B., Aziz T., Greenwald D., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   97 ( 1 )   2018.01( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.97.011101

  • Measurement of the tau lepton polarization and R(D*) in the decay (B)over-bar -> D*tau(-)(nu)over-bar(tau) with one-prong hadronic tau decays at Belle Reviewed International coauthorship

    Hirose S., Iijima T., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   97 ( 1 )   2018.01( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.97.012004

  • Angular analysis of the e (+)e (-) -> D-(*D-)+/-*(-/+) process near the open charm threshold using initial- state radiation Reviewed International coauthorship

    Zhukova V., Pakhlova G., Pakhlov P., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   97 ( 1 )   2018.01( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.97.012002

  • Measurements of the absolute branching fractions of B + → X <inf>cc̄</inf> K + and B + → D̄ (*)0 π + at Belle Reviewed International coauthorship

    Y. Kato, T. Iijima, et. al. [Belle Collaboation]

    Physical Review D   97 ( 1 )   2018.01( ISSN:24700010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    © 2018 authors. Published by the American Physical Society. We present the measurement of the absolute branching fractions of B+→Xcc̄K+ and B+→D̄(∗)0π+ decays, using a data sample of 772×106 BB̄ pairs collected at the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. Here, Xcc̄ denotes ηc, J/ψ, χc0, χc1, ηc(2S), ψ(2S), ψ(3770), X(3872), and X(3915). We do not observe significant signals for X(3872) or X(3915) and set the 90% confidence level upper limits at B(B+→X(3872)K+)<2.6×10-4 and B(B+→X(3915)K+)<2.8×10-4. These represent the most stringent upper limit for B(B+→X(3872)K+) to date and the first limit for B(B+→X(3915)K+). The measured branching fractions for ηc and ηc(2S) are the most precise to date, B(B+→ηcK+)=(12.0±0.8±0.7)×10-4 and B(B+→ηc(2S)K+)=(4.8±1.1±0.3)×10-4, where the first and second uncertainties are statistical and systematic, respectively.

    DOI: 10.1103/PhysRevD.97.012005

  • Measurement of the D∗− polarization in the decay B0 → D∗−τ+ν<inf>τ</inf> International coauthorship

    A. Abdesselam, et. al. [Belle Collaboation]

    10th International Workshop on the CKM Unitarity Triangle, CKM 2018   2018.01

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    © 2018 Heidelberg University. All rights reserved. We report the first measurement of the D∗− meson polarization in the decay B0 → D∗−τ+ντ using the full data sample of 772×106 BB¯ pairs recorded with the Belle detector at the KEKB electron-positron collider. Our result, FLD∗ = 0.60 ±0.08(stat) ±0.04(sys), where FLD∗ denotes the D∗− meson longitudinal polarization fraction, agrees within about 1.7 standard deviations of the standard model prediction.

  • Remote monitoring system for the cryogenic system of superconducting magnets in the SuperKEKB interaction region Reviewed

    K. Aoki, N. Ohuchi, Z. Zong, Y. Arimoto, X. Wang, H. Yamaoka, M. Kawai, Y. Kondou, Y. Makida, M. Hirose, T. Endou, M. Iwasaki, T. Nakamura

    IOP Conference Series: Materials Science and Engineering   278 ( 1 )   2017.12( ISSN:1757-899X

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    A remote monitoring system was developed based on the software infrastructure of the Experimental Physics and Industrial Control System (EPICS) for the cryogenic system of superconducting magnets in the interaction region of the SuperKEKB accelerator. The SuperKEKB has been constructed to conduct high-energy physics experiments at KEK. These superconducting magnets consist of three apparatuses, the Belle II detector solenoid, and QCSL and QCSR accelerator magnets. They are each contained in three cryostats cooled by dedicated helium cryogenic systems. The monitoring system was developed to read data of the EX-8000, which is an integrated instrumentation system to control all cryogenic components. The monitoring system uses the I/O control tools of EPICS software for TCP/IP, archiving techniques using a relational database, and easy human-computer interface. Using this monitoring system, it is possible to remotely monitor all real-time data of the superconducting magnets and cryogenic systems. It is also convenient to share data among multiple groups.

    DOI: 10.1088/1757-899X/278/1/012086

  • Search for light tetraquark states in ϒ(1S) and ϒ(2S) decays Reviewed International coauthorship

    S. Jia, C. P. Shen, C. Z. Yuan, et. al. [Belle Collaboation]

    Physical Review D   96 ( 11 )   2017.12( ISSN:24700010

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    © 2017 American Physical Society. We search for the JPC = 0−− and 1þ− light tetraquark states with masses up to 2.46 GeV=c2 in ϒð1SÞ and ϒð2SÞ decays with data samples of ð102 2Þ million and ð158 4Þ million events, respectively, collected with the Belle detector. No significant signals are observed in any of the studied production modes, and 90% credibility level (C.L.) upper limits on their branching fractions in ϒð1SÞ and ϒð2SÞ decays are obtained. The inclusive branching fractions of the ϒð1SÞ and ϒð2SÞ decays into final states with f1ð1285Þ are measured to be Bðϒð1SÞ → f1ð1285Þ þ anythingÞ ¼ ð46 28ðstatÞ 13ðsystÞÞ × 10−4 and Bðϒð2SÞ → f1ð1285Þ þ anythingÞ ¼ ð22 15ðstatÞ 6.3ðsystÞÞ × 10−4. The measured χb2 → J=ψ þ anything branching fraction is measured to be ð1.50 0.34ðstatÞ 0.22ðsystÞÞ × 10−3, and 90% C.L. upper limits for the χb0;b1 → J=ψ þ anything branching fractions are found to be 2.3 × 10−3 and 1.1 × 10−3, respectively. For Bðχb1 → ω þ anythingÞ, the branching fraction is measured to be ð4.9 1.3ðstatÞ 0.6ðsystÞÞ × 10−2. All results reported here are the first measurements for these modes.

    DOI: 10.1103/PhysRevD.96.112002

  • Commissioning of the Phase-1 SuperKEKB B-Factory and Update on the Overall Status

    Y. Ohnishi, T. Abe, T. Adachi, K. Akai, Y. Arimoto, M.E. Biagini, M. Boscolo, K. Egawa, D. El Khechen, Y. Enomoto, J.W. Flanagan, H. Fukuma, K. Furukawa, S. Guducci, N. Iida, H. Iinuma, H. Ikeda, T. Ishibashi, M. Iwasaki, T. Kageyama, H. Kaji, T. Kamitani, T. Kawamoto, S. Kazama, M. Kikuchi, T. Kobayashi, K. Kodama, H. Koiso, M. Masuzawa, T. Mimashi, T. Miura, F. Miyahara, T. Mori, A. Morita, S. Nakamura, T. Nakamura, H. Nakayama, T. Natsui, M. Nishiwaki, K. Ohmi, T. Oki, S. Sasaki, M. Satoh, Y. Seimiya, K. Shibata, M. Suetake, Y. Suetsugu, H. Sugimoto, M. Tanaka, M. Tawada, S. Terui, M. Tobiyama, S. Uehara, S. Uno, X. Wang, K. Watanabe, Y. Yano, S. Yoshimoto, R. Zhang, D. Zhou, X. Zhou, Z. Zong

    Proceedings of the 3rd North American Particle Accelerator Conference   3rd   32 - 36   2017.01

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    DOI: 10.18429/JACoW-NAPAC2016-MOB3IO01

  • Magnetic measurement for superconducting-quadrupole magnets of final-focus system for SuperKEKB Reviewed

    Y. Arimoto, X. Wang, Z. Zong, K. Tsuchiya, M. Iwasaki, H. Yamaoka, N. Ohuchi

    IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference   3771 - 3773   2016

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    SuperKEKB is an upgrade project of KEKB to increase its luminosity to 8 × 1035 cm-2 s-1 based on the nano-beam scheme. In SuperKEKB, one of a key element is a final-focus system; it reduces e-/e+ beam size to 50 nm in vertical and 10 μm in horizontal direction at an interaction point (IP). The system consists of eight superconducting quadrupole magnets and four quadrupoles are aligned on the each beam line. The quadrupole, QC1P(QC1E), which is located at the closest position to the IP on the e+(e-) beam line, generates a field gradient of about 70 T/m. An inner diameter of coil and a magnetic length for QC1P(QC1E) are 25(33) mm and 334(373) mm, respectively. The production of all quadrupole magnets are completed. To confirm their field qualities, we performed magnetic measurement for each magnet in advance to be integrated into cryostats on the beam lines. In the measurement, the quadrupoles were cooled down to 4.2 K in a test vertical cryostat and magnetic field were measured with harmonic coils. The amplitudes of higher order harmonics for all magnets met requirements from beam optics design. In this paper we describe the measurement results.

  • Design and construction of the QC2 superconducting magnets in the SuperKEKB IR Reviewed

    N. Ohuchi, Y. Arimoto, N. Higashi, M. Iwasaki, M. Kawai, Y. Kondo, K. Tsuchiya, H. Yamaoka, X. Wang, Z. Zong, H. Kono, T. Murai, S. Takagi

    IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference   1174 - 1176   2016( ISBN:9783954501472

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    The first stage commissioning of SuperKEKB is going on without the final focus system from Feb. 2016. The final focus system, which consists of 55 superconducting magnets, is still in the construction stage. The 8 main superconducting quadrupole magnets are designed to consist of quadrupole doublets as QC1 and QC2 for each beam line. All of the quadrupole magnets were constructed. In this paper, the design and the construction of the quadrupole magnets, QC2, are presented.

  • Beam commissioning of SuperKEKB Reviewed

    Y. Funakoshi, T. Abe, T. Adachi, K. Akai, Y. Arimoto, K. Egawa, D. El Khechen, Y. Enomoto, J. Flanagan, H. Fukuma, K. Furukawa, N. Iida, H. Iinuma, H. Ikeda, T. Ishibashi, M. Iwasaki, T. Kageyama, H. Kaji, T. Kamitani, T. Kawamoto, S. Kazama, M. Kikuchi, T. Kobayashi, K. Kodama, H. Koiso, M. Masuzawa, T. Mimashi, T. Miura, F. Miyahara, T. Mori, A. Morita, S. Nakamura, T. T. Nakamura, H. Nakayama, T. Natsui, M. Nishiwaki, K. Ohmi, Y. Ohnishi, T. Oki, S. Sasaki, M. Satoh, Y. Seimiya, K. Shibata, M. Suetake, Y. Suetsugu, H. Sugimoto, M. Tanaka, M. Tawada, S. Terui, M. Tobiyama, S. Uehara, S. Uno, X. Wang, K. Watanabe, Y. Yano, S. Yoshimoto, R. Zhang, D. Zhou, X. Zhou, Z. Zong

    IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference   1019 - 1021   2016( ISBN:9783954501472

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    In this report, we describe the machine operation in the first 3 months of the Phase 1 commissioning of SuperKEKB. The beam commissioning is smoothly going on. Vacuum scrubbing, the optics corrections and others are described.

  • The SuperKEKB interaction region corrector magnets Reviewed

    B. Parker, M. Anerella, J. Escallier, A. Ghosh, A. Jain, A. Marone, P. Wanderer, Y. Arimoto, M. Iwasaki, N. Ohuchi, N. Higashi, K. Tsuchiya, H. Yamaoka, X. Wang, Z. Zong

    IPAC 2016 - Proceedings of the 7th International Particle Accelerator Conference   1193 - 1195   2016( ISBN:9783954501472

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    The Interaction Region (IR) quadrupoles for the SuperKEKB luminosity upgrade at KEK have multiple superconducting correction coils that are needed to fulfill performance goals. These correctors were produced at BNL and undergo system tests and measurement at KEK before final installation of the completed systems in the IR hall. Here we report on measurement results.

  • First Observation of CP Violation in (B)over-bar(0) -&gt; D(CP)((*))h(0) Decays by a Combined Time-Dependent Analysis of BABAR and Belle Data Reviewed

    A. Abdesselam, I. Adachi, A. Adametz, T. Adye, H. Ahmed, H. Aihara, S. Akar, M. S. Alam, J. Albert, S. Al Said, R. Andreassen, C. Angelini, F. Anulli, K. Arinstein, N. Arnaud, D. M. Asner, D. Aston, V. Aulchenko, T. Aushev, R. Ayad, V. Babu, I. Badhrees, S. Bahinipati, A. M. Bakich, H. R. Band, Sw. Banerjee, E. Barberio, D. J. Bard, R. J. Barlow, G. Batignani, A. Beaulieu, M. Bellis, E. Ben-Haim, D. Bernard, F. U. Bernlochner, S. Bettarini, D. Bettoni, A. J. Bevan, V. Bhardwaj, B. Bhuyan, F. Bianchi, M. Biasini, J. Biswal, V. E. Blinov, P. C. Bloom, A. Bobrov, M. Bomben, A. Bondar, G. R. Bonneaud, G. Bonvicini, A. Bozek, C. Bozzi, M. Bracko, H. Briand, T. E. Browder, D. N. Brown, D. N. Brown, C. Buenger, P. R. Burchat, A. R. Buzykaev, R. Calabrese, A. Calcaterra, G. Calderini, M. Carpinelli, C. Cartaro, G. Casarosa, R. Cenci, D. Cervenkov, P. Chang, D. S. Chao, J. Chauveau, R. Cheaib, V. Chekelian, A. Chen, C. Chen, C. H. Cheng, B. G. Cheon, K. Chilikin, R. Chistov, K. Cho, V. Chobanova, H. H. F. Choi, S-K. Choi, M. Chrzaszcz, G. Cibinetto, D. Cinabro, J. Cochran, J. P. Coleman, R. Contri, M. R. Convery, G. Cowan, R. Cowan, L. Cremaldi, J. Dalseno, S. Dasu, M. Davier, C. L. Davis, F. De Mori, G. De Nardo, A. G. Denig, D. Derkach, R. de Sangro, B. Dey, F. Di Lodovico, J. Dingfelder, S. Dittrich, Z. Dolezal, J. Dorfan, Z. Drasal, A. Drutskoy, V. P. Druzhinin, G. P. Dubois-Felsmann, W. Dunwoodie, D. Dutta, M. Ebert, B. Echenard, S. Eidelman, G. Eigen, A. M. Eisner, S. Emery, J. A. Ernst, R. Faccini, H. Farhat, J. E. Fast, M. Feindt, T. Ferber, F. Ferrarotto, F. Ferroni, R. C. Field, A. Filippi, G. Finocchiaro, E. Fioravanti, K. T. Flood, W. T. Ford, F. Forti, M. Franco Sevilla, M. Fritsch, J. R. Fry, B. G. Fulsom, E. Gabathuler, N. Gabyshev, D. Gamba, A. Garmash, J. W. Gary, I. Garzia, M. Gaspero, V. Gaur, A. Gaz, T. J. Gershon, D. Getzkow, R. Gillard, L. Li Gioi, M. A. Giorgi, R. Glattauer, R. Godang, Y. M. Goh, P. Goldenzweig, B. Golob, V. B. Golubev, R. Gorodeisky, W. Gradl, M. T. Graham, E. Grauges, K. Griessinger, A. V. Gritsan, G. Grosdidier, O. Gruenberg, N. Guttman, J. Haba, A. Hafner, B. Hamilton, T. Hara, P. F. Harrison, C. Hast, K. Hayasaka, H. Hayashii, C. Hearty, X. H. He, M. Hess, D. G. Hitlin, T. M. Hong, K. Honscheid, W-S. Hou, Y. B. Hsiung, Z. Huard, D. E. Hutchcroft, T. Iijima, G. Inguglia, W. R. Innes, A. Ishikawa, R. Itoh, Y. Iwasaki, J. M. Izen, I. Jaegle, A. Jawahery, C. P. Jessop, D. Joffe, K. K. Joo, T. Julius, K. H. Kang, R. Kass, T. Kawasaki, L. T. Kerth, A. Khan, C. Kiesling, D. Y. Kim, J. B. Kim, J. H. Kim, K. T. Kim, P. Kim, S. H. Kim, Y. J. Kim, G. J. King, K. Kinoshita, B. R. Ko, H. Koch, P. Kodys, Yu. G. Kolomensky, S. Korpar, D. Kovalskyi, R. Kowalewski, E. A. Kravchenko, P. Krizan, P. Krokovny, T. Kuhr, R. Kumar, A. Kuzmin, Y. -J. Kwon, H. M. Lacker, G. D. Lafferty, L. Lanceri, D. J. Lange, A. J. Lankford, T. E. Latham, T. Leddig, F. Le Diberder, D. H. Lee, I. S. Lee, M. J. Lee, J. P. Lees, D. W. G. S. Leith, Ph. Leruste, M. J. Lewczuk, P. Lewis, J. Libby, W. S. Lockman, O. Long, D. Lopes Pegna, J. M. LoSecco, X. C. Lou, T. Lueck, S. Luitz, P. Lukin, E. Luppi, A. Lusiani, V. Luth, A. M. Lutz, G. Lynch, D. B. MacFarlane, B. Malaescu, U. Mallik, E. Manoni, G. Marchiori, M. Margoni, S. Martellotti, F. Martinez-Vidal, M. Masuda, T. S. Mattison, D. Matvienko, J. A. McKenna, B. T. Meadows, K. Miyabayashi, T. S. Miyashita, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, M. R. Monge, H. K. Moon, M. Morandin, D. R. Muller, R. Mussa, E. Nakano, H. Nakazawa, M. Nakao, T. Nanut, M. Nayak, H. Neal, N. Neri, N. K. Nisar, S. Nishida, I. M. Nugent, B. Oberhof, J. Ocariz, S. Ogawa, S. Okuno, E. O. Olaiya, J. Olsen, P. Ongmongkolkul, G. Onorato, A. P. Onuchin, Y. Onuki, W. Ostrowicz, A. Oyanguren, G. Pakhlova, P. Pakhlov, A. Palano, B. Pal, F. Palombo, Y. Pan, W. Panduro Vazquez, E. Paoloni, C. W. Park, H. Park, S. Passaggio, P. M. Patel, C. Patrignani, P. Patteri, D. J. Payne, T. K. Pedlar, D. R. Peimer, I. M. Peruzzi, L. Pesantez, R. Pestotnik, M. Petric, M. Piccolo, L. Piemontese, L. E. Piilonen, A. Pilloni, G. Piredda, S. Playfer, V. Poireau, F. C. Porter, M. Posocco, V. Prasad, S. Prell, R. Prepost, E. M. T. Puccio, T. Pulliam, M. V. Purohit, B. G. Pushpawela, M. Rama, A. Randle-Conde, B. N. Ratcliff, G. Raven, E. Ribezl, J. D. Richman, J. L. Ritchie, G. Rizzo, D. A. Roberts, S. H. Robertson, M. Roehrken, J. M. Roney, A. Roodman, A. Rossi, A. Rostomyan, M. Rotondo, P. Roudeau, R. Sacco, Y. Sakai, S. Sandilya, L. Santelj, V. Santoro, T. Sanuki, Y. Sato, V. Savinov, R. H. Schindler, O. Schneider, G. Schnell, T. Schroeder, K. R. Schubert, B. A. Schumm, C. Schwanda, A. J. Schwartz, R. F. Schwitters, C. Sciacca, A. Seiden, S. J. Sekula, K. Senyo, O. Seon, S. I. Serednyakov, M. E. Sevior, M. Shapkin, V. Shebalin, C. P. Shen, T-A. Shibata, J-G. Shiu, M. Simard, G. Simi, F. Simon, F. Simonetto, Yu. I. Skovpen, A. J. S. Smith, J. G. Smith, A. Snyder, R. Y. So, R. J. Sobie, A. Soffer, Y. -S. Sohn, M. D. Sokoloff, A. Sokolov, E. P. Solodov, E. Solovieva, B. Spaan, S. M. Spanier, M. Staric, A. Stocchi, R. Stroili, B. Stugu, D. Su, M. K. Sullivan, M. Sumihama, K. Sumisawa, T. Sumiyoshi, D. J. Summers, L. Sun, U. Tamponi, P. Taras, N. Tasneem, Y. Teramoto, V. Tisserand, K. Yu. Todyshev, W. H. Toki, C. Touramanis, K. Trabelsi, T. Tsuboyama, M. Uchida, T. Uglov, Y. Unno, S. Uno, Y. Usov, U. Uwer, S. E. Vahsen, C. Van Hulse, P. Vanhoefer, G. Varner, G. Vasseur, J. Va'vra, M. Verderi, A. Vinokurova, L. Vitale, V. Vorobyev, C. Voss, M. N. Wagner, S. R. Wagner, R. Waldi, J. J. Walsh, C. H. Wang, M-Z. Wang, P. Wang, Y. Watanabe, C. A. West, K. M. Williams, F. F. Wilson, J. R. Wilson, W. J. Wisniewski, E. Won, G. Wormser, D. M. Wright, S. L. Wu, H. W. Wulsin, H. Yamamoto, J. Yamaoka, S. Yashchenko, C. Z. Yuan, Y. Yusa, A. Zallo, C. C. Zhang, Z. P. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc

    AMER PHYSICAL SOC PHYSICAL REVIEW LETTERS   115 ( 12 )   2015.09( ISSN:0031-9007

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    We report a measurement of the time-dependent CP asymmetry of (B) over bar (0) -&gt; D(CP)((*))h(0) decays, where the light neutral hadron h(0) is a pi(0), eta , or omega meson, and the neutral D meson is reconstructed in the CP eigenstates K+K-, K-S(0)pi(0) or K-S(0)omega. The measurement is performed combining the final data samples collected at the Upsilon(4S) resonance by the BABAR and Belle experiments at the asymmetric-energy B factories PEP-II at SLAC and KEKB at KEK, respectively. The data samples contain (471 +/- 3) x 10(6) B (B) over bar pairs recorded by the BABAR detector and (772 +/- 11) x 10(6) B (B) over bar pairs recorded by the Belle detector. We measure the CP asymmetry parameters -eta S-f = +0.66 +/- 0.10(stat) +/- 0.06(syst) and C = -0.02 +/- 0.07(stat) +/- 0.03(syst). These results correspond to the first observation of CP violation in (B) over bar (0) -&gt; D(CP)((*))h(0) decays. The hypothesis of no mixing-induced CP violation is excluded in these decays at the level of 5.4 standard deviations.

    DOI: 10.1103/PhysRevLett.115.121604

  • Design and Construction of the SuperKEKB QC1 Final Focus Superconducting Magnets Reviewed

    Ohuchi Norihito, Arimoto Yasushi, Higashi Norio, Iwasaki Masako, Kawai Masanori, Kondou Yoshinari, Kono Hiroshi, Murai Takashi, Takagi Shigeyuki, Tsuchiya Kiyosumi, Yamaoka Hiroshi, Zong Zhanguo

    IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY   25 ( 3 )   2015.06( ISSN:1051-8223

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1109/TASC.2014.2364858

  • The Construction Status of the SuperKEKB Control System Reviewed

    Masako Iwasaki et al.

    ICALEPCS2015: Proceedings of the 15th International Conference on Accelerator & Large Experimental Physics Control Systems   2015

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    Publishing type:Research paper (international conference proceedings)   Kind of work:Joint Work  

  • The Physics of the B Factories Reviewed

    A. J. Bevan, et. al. [BaBar and Belle Collaboations]

    European Physical Journal C   74 ( 11 )   1 - 928   2014.11( ISSN:14346044

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    DOI: 10.1140/epjc/s10052-014-3026-9

  • SuperKEKB加速器トンネル内無線LANシステムの導入 Reviewed

    岩崎 昌子, 佐藤 政則

    日本加速器学会誌   11 ( 1 )   4 - 10   2014.04( ISSN:1349-3833

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    Authorship:Lead author   Publishing type:Research paper (scientific journal)   Kind of work:Joint Work   International / domestic magazine:Domestic journal  

  • Design and Status of the SuperKEKB Accelerator Control System Invited Reviewed

    Masako Iwasaki et al.

    ICALEPCS2013: Proceedings of the 14th International Conference on Accelerator & Large Experimental Physics Control Systems   4 - 7   2014.03

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    Publishing type:Research paper (international conference proceedings)   Kind of work:Joint Work  

  • Design and Status of the SuperKEKB Accelerator Control Network System Reviewed

    Masako Iwasaki

    ICALEPCS2013: Proceedings of the 14th International Conference on Accelerator & Large Experimental Physics Control Systems   1107 - 1110   2014.03

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  • Design and status of the superKEKB accelerator control network system Reviewed

    M. Iwasaki, K. Furukawa, T. T. Nakamura, T. Obina, S. Sasaki, M. Satoh, T. Aoyama, T. Nakamura

    IPAC 2014: Proceedings of the 5th International Particle Accelerator Conference   3150 - 3152   2014.01

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    Copyright © 2014 CC-BY-3.0 and by the respective authors. We have upgraded the accelerator control network system for SuperKEKB, the next generation B-factory experiment in Japan. The new network system has the higher performance based on the wider bandwidth data transfer, and more reliable and redundant network configuration. For the SuperKEKB construction, the new wireless network system has installed into the whole 3 km circumference accelerator tunnel.

  • Measurement of the branching fraction of B+ → τ+ν<inf>τ</inf> decays with the semileptonic tagging method and the full Belle data sample International coauthorship

    A. Abdesselam, et. al. [Belle Collaboation]

    8th International Workshop on the CKM Unitarity Triangle, CKM 2014   2014.01

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    Publishing type:Research paper (international conference proceedings)   Kind of work:Joint Work  

    © 2014 Technische Universitaet Wien. All rights reserved. We report a measurement of the branching fraction of B+ → τ+ντ decays using a data sample of 772 × 106BB pairs, collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e− collider. We reconstruct the accompanying B meson in a semileptonic decay and detect the B+ → τ+ντ candidate in the recoiling event. We obtain a branching fraction of B(B+ → τ+ντ) = [1.25 ± 0.28(stat.) ± 0.27(syst.)] × 10−4. This result is in good agreement with previous measurements and the expectation from calculations based on the Standard Model.

  • Commissioning of KEKB Reviewed

    Abe Tetsuo, Akai Kazunori, Cai Yunhai, Ebihara Kiyokazu, Egawa Kazumi, Enomoto Atsushi, Flanagan John, Fukuma Hitoshi, Funakoshi Yoshihiro, Furukawa Kazuro, Furuya Takaaki, Haba Junji, Hiramatsu Shigenori, Hosoyama Kenji, Ieiri Takao, Iida Naoko, Ikeda Hitomi, Iwasaki Masako, Kageyama Tatsuya, Kamada Susumu, Kamitani Takuya, Kato Shigeki, Kikuchi Mitsuo, Kikutani Eiji, Koiso Haruyo, Kurokawa Shin-ichi, Masuzawa Mika, Matsumoto Toshihiro, Mimashi Toshihiro, Miura Takako, Morita Akio, Morita Yoshiyuki, Nakamura Tatsuro T., Nakanishi Kota, Nishiwaki Michiru, Ogawa Yujiro, Ohmi Kazuhito, Ohnishi Yukiyoshi, Ohsawa Satoshi, Ohuchi Norihito, Oide Katsunobu, Oki Toshiyuki, Ono Masaaki, Perevedentsev Eugene, Satoh Kotaro, Satoh Masanori, Seimiya Yuji, Shibata Kyo, Shimada Miho, Suetake Masaaki, Suetsugu Yusuke, Sugimura Takashi, Suwada Tsuyoshi, Tajima Osamu, Tawada Masafumi, Tejima Masaki, Tobiyama Makoto, Tokuda Noboru, Uehara Sadaharu, Uno Shoji, Yamamoto Yasuchika, Yano Yoshiharu, Yokoyama Kazue, Yoshida Masato, Yoshida Mitsuhiro, Yoshimoto Shin-ichi, Yoshioka Masakazu, Zhou Demin, Zong Zhanguo

    PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS   ( 3 )   2013.03( ISSN:2050-3911

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    DOI: 10.1093/ptep/pts101

  • Accelerator design at SuperKEKB Reviewed

    Ohnishi Yukiyoshi, Abe Tetsuo, Adachi Toshikazu, Akai Kazunori, Arimoto Yasushi, Ebihara Kiyokazu, Egawa Kazumi, Flanagan John, Fukuma Hitoshi, Funakoshi Yoshihiro, Furukawa Kazuro, Furuya Takaaki, Iida Naoko, Iinuma Hiromi, Ikeda Hoitomi, Ishibashi Takuya, Iwasaki Masako, Kageyama Tatsuya, Kamada Susumu, Kamitani Takuya, Kanazawa Ken-ichi, Kikuchi Mitsuo, Koiso Haruyo, Masuzawa Mika, Mimashi Toshihiro, Miura Takako, Mori Takashi, Morita Akio, Nakamura Tatsuro, Nakanishi Kota, Nakayama Hiroyuki, Nishiwaki Michiru, Ogawa Yujiro, Ohmi Kazuhito, Ohuchi Norihito, Oide Katsunobu, Oki Toshiyuki, Ono Masaaki, Satoh Masanori, Shibata Kyo, Suetake Masaaki, Suetsugu Yusuke, Sugahara Ryuhei, Sugimoto Hiroshi, Suwada Tsuyoshi, Tawada Masafumi, Tobiyama Makoto, Tokuda Noboru, Tsuchiya Kiyosumi, Yamaoka Hiroshi, Yano Yoshiharu, Yoshida Mitsuhiro, Yoshimoto Shin-ichi, Zhou Demin, Zong Zhanguo

    PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS   ( 3 )   2013.03( ISSN:2050-3911

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    DOI: 10.1093/ptep/pts083

  • Search for lepton-flavor and lepton-number-violating Τ→ℓhh' decay modes Reviewed

    Y. Miyazaki, K. Hayasaka, I. Adachi, H. Aihara, D. M. Asner, V. Aulchenko, T. Aushev, A. M. Bakich, A. Bay, V. Bhardwaj, B. Bhuyan, M. Bischofberger, A. Bozek, M. Bračko, T. E. Browder, M. C. Chang, A. Chen, P. Chen, B. G. Cheon, R. Chistov, K. Cho, Y. Choi, J. Dalseno, Z. Doležal, A. Drutskoy, S. Eidelman, D. Epifanov, J. E. Fast, V. Gaur, N. Gabyshev, A. Garmash, Y. M. Goh, J. Haba, H. Hayashii, Y. Horii, Y. Hoshi, W. S. Hou, H. J. Hyun, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, M. Iwabuchi, Y. Iwasaki, T. Julius, J. H. Kang, C. Kiesling, H. J. Kim, H. O. Kim, K. T. Kim, M. J. Kim, Y. J. Kim, B. R. Ko, S. Koblitz, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, A. Kuzmin, Y. J. Kwon, S. H. Lee, Y. Li, C. L. Lim, C. Liu, Z. Q. Liu, D. Liventsev, R. Louvot, D. Matvienko, S. McOnie, K. Miyabayashi, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, N. Muramatsu, E. Nakano, M. Nakao, S. Nishida, K. Nishimura, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, Y. Onuki, P. Pakhlov, G. Pakhlova, C. W. Park, H. K. Park, M. Petrič, L. E. Piilonen, M. Röhrken, S. Ryu, H. Sahoo, Y. Sakai, T. Sanuki, Y. Sato, O. Schneider, C. Schwanda, K. Senyo, O. Seon

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   719 ( 4-5 )   346 - 353   2013.02( ISSN:0370-2693

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    We search for lepton-flavor and lepton-number-violating. Τ decays into a lepton (ℓ= electron or muon) and two charged mesons (h,h'=π± or K±) using 854 fb<sup>-1</sup> of data collected with the Belle detector at the KEKB asymmetric-energy e<sup>+</sup>e<sup>-</sup> collider. We obtain 90% confidence level upper limits on the. Τ→ℓhh' branching fractions in the range. (2.0-8.4)×10<sup>-8</sup>. These results improve upon our previously published upper limits by factors of about 1.8 on average. © 2013 Elsevier B.V.

    DOI: 10.1016/j.physletb.2013.01.032

  • Precise measurement of the branching fractions for B-s(0) -> D-s(()*()+) D-s(()*()-) and first measurement of the D-s*(+) D-s*(-) polarization using e(+)e(-) collisions Reviewed

    Esen, S. Schwartz, A. J. Aihara, H. Asner, D. M. Aushev, T. Bakich, A. M. Belous, K. Bhuyan, B. Bozek, A. Bracko, M. Browder, T. E. Chekelian, V. Chen, A. Chen, P. Cheon, B. G. Chilikin, K. Chistov, R. Cho, I. -S. Cho, K. Choi, Y. Dalseno, J. Danilov, M. Dolezal, Z. Drutskoy, A. Eidelman, S. Feindt, M. Gaur, V. Haba, J. Hara, T. Hayashii, H. Horii, Y. Hoshi, Y. Hou, W. -S. Hsiung, Y. B. Hyun, H. J. Iijima, T. Ishikawa, A. Itoh, R. Iwabuchi, M. Iwasaki, Y. Iwashita, T. Julius, T. Kang, J. H. Kawasaki, T. Kiesling, C. Kim, H. O. Kim, K. T. Kim, M. J. Kim, Y. J. Kinoshita, K. Ko, B. R. Koblitz, S. Kodys, P. Korpar, S. Kouzes, R. T. Krizan, P. Krokovny, P. Kuhr, T. Kumita, T. Kwon, Y. -J. Lee, S. -H. Li, J. Li, Y. Libby, J. Liu, C. Liu, Y. Liventsev, D. Louvot, R. McOnie, S. Miyata, H. Mizuk, R. Mohapatra, D. Moll, A. Muramatsu, N. Nakao, M. Nakazawa, H. Natkaniec, Z. Ng, C. Nishida, S. Nishimura, K. Nitoh, O. Ohshima, T. Okuno, S. Olsen, S. L. Onuki, Y. Pakhlova, G. Park, C. W. Park, H. Park, H. K. Pedlar, T. K. Pestotnik, R. Petric, M. Piilonen, L. E. Roehrken, M. Ryu, S. Sakai, Y. Santel, D. Santelj, L. Sanuki, T. Sato, Y. Schneider, O. Schwanda, C. Senyo, K. Sevior, M. E. Shapkin, M. Shibata, T. -A. Shiu, J. -G. Shwartz, B. Sibidanov, A. Simon, F. Smerkol, P. Sohn, Y. -S. Sokolov, A. Solovieva, E. Stanic, S. Staric, M. Sumiyoshi, T. Tatishvili, G. Teramoto, Y. Trabelsi, K. Tsuboyama, T. Uchida, M. Uehara, S. Uglov, T. Unno, Y. Uno, S. Vahsen, S. E. Vanhoefer, P. Varner, G. Wang, C. H. Wang, M, Z. Wang, P. Watanabe, Y. Williams, K. M. Won, E. Yamaoka, J. Yamashita, Y. Zhang, Z. P. Zhilich, V. Zhulanov, V. Belle Collaboration

    PHYSICAL REVIEW D   87 ( 3 )   031101   2013.02( ISSN:1550-7998

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    DOI: 10.1103/PhysRevD.87.031101

  • Analysis of the performance of a model quadrupole magnet for a linear accelerator Reviewed

    M. Masuzawa, K. Egawa, M. Iwasaki, T. Oki, N. Ohuchi, A. Terashima, K. Tsuchiya

    IEEE Transactions on Applied Superconductivity   23   2013.02( ISSN:10518223

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    A model quadrupole magnet for a future linear accelerator has been designed, fabricated, and tested at KEK. The model quadrupole is a superferric superconducting magnet with a design field gradient of 57 T/m. The design field gradient is obtained by saturating the iron yoke. Superferric magnets are considered to have the advantage of simplicity, less sensitivity to the position of the superconductor coils, and are therefore thought to be easier to construct and less expensive than usual superconducting magnets. However, if the iron is heavily saturated, the magnetic field becomes more sensitive to the coil positions. The magnetic properties of the magnet were measured with a harmonic coil, and its field gradient, effective length, and multipole components were compared with a 3D simulation. The results are presented and discussed in this paper. © 2012 IEEE.

    DOI: 10.1109/TASC.2012.2235498

  • Fabrication and testing of a model quadrupole magnet for linear accelerators Reviewed

    K. Tsuchiya, A. Terashima, N. Ohuchi, M. Masuzawa, K. Egawa, M. Iwasaki, T. Oki, Z. Zong, M. Tanaka, T. Endo, R. Matsuyama, K. Nakamura, Y. Chida, T. Semba

    IEEE Transactions on Applied Superconductivity   23   2013.02( ISSN:10518223

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    A model of a quadrupole magnet for linear accelerators was designed, fabricated, and tested at KEK in order to gain fabrication experience and a better understanding of superconducting magnet characteristics. The assembly has a design field gradient of 56.5 T/m, an aperture of 92 mm, and a cold mass length of 680 mm. Furthermore, it is designed as a superferric magnet with four racetrack coils wound with a specially fabricated ribbon cable of eight superconducting strands. In this paper, we present details of the magnet design, fabrication, and the results of its cold tests. Data of the field measurements are also presented in brief. © 2002-2011 IEEE.

    DOI: 10.1109/TASC.2012.2233841

  • The BaBar detector: Upgrades, operation and performance Reviewed

    B. Aubert, et. al. [BaBar Collaboation]

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   729   615 - 701   2013.01( ISSN:01689002

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    The BaBar detector operated successfully at the PEP-II asymmetric e +e- collider at the SLAC National Accelerator Laboratory from 1999 to 2008. This report covers upgrades, operation, and performance of the collider and the detector systems, as well as the trigger, online and offline computing, and aspects of event reconstruction since the beginning of data taking. © 2013 Elsevier B.V.

    DOI: 10.1016/j.nima.2013.05.107

  • Solenoid field calculation of the superkekb interaction region International coauthorship

    H. Yamaoka, Y. Arimoto, M. Iwasaki, H. Koiso, A. Morita, Y. Ohnishi, N. Ohuchi, K. Oide, M. Tawada, K. Tsuchiya

    IPAC 2012 - International Particle Accelerator Conference 2012   3548 - 3550   2012.12( ISBN:978-395450115-1

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    Publishing type:Research paper (international conference proceedings)   Kind of work:Joint Work   International / domestic magazine:International journal  

    The construction of SuperKEKB started from 2011. The design of the superconducting magnets in the interaction region is going with optimization of beam optics. The 3D model for calculating the solenoid field profile along each beam line has been developed. The calculated field profiles have already been involved in the calculations of the beam optics and the beam background noise. Copyright © 2012 by IEEE.

  • Direct wind superconducting corrector magnets for the superkekb IR International coauthorship

    B. Parker, M. Anerella, J. Escallier, A. Ghosh, A. Jain, A. Marone, P. Wanderer, Y. Arimoto, M. Iwasaki, N. Ohuchi, M. Tawada, K. Tsuchiya, H. Yamaoka, Z. Zong

    IPAC 2012 - International Particle Accelerator Conference 2012   2191 - 2193   2012.12( ISBN:978-395450115-1

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    Publishing type:Research paper (international conference proceedings)   Kind of work:Joint Work   International / domestic magazine:International journal  

    Eight new superconducting interaction region (IR) quadrupoles and a variety ofcorrection and cancel coil windings are needed for the SuperKEKB luminosity upgradeunderway at KEK [1-2]. The correctors are required to fit in limited space inside the mainIR quadrupole bores. Because there is insufficient space for magnetic yokes for the magnetsclosest to the interaction point (IP), external field cancel coil windings are needed toremove non-linear fields that would otherwise impact beams passing close to the main magnetcoils. We are investigating if an additional cancel coil set would be useful to reducedetector background. The design and production of SuperKEKB corrector and cancel coils,using BNL Direct Wind magnet technology, is underway. Copyright © 2012 by IEEE.

  • Beam background and MDI design for SuperKEKB/Belle-II Reviewed

    H. Nakayama, M. Iwasaki, K. Kanazawa, H. Nakano, Y. Ohnishi, S. Tanaka, T. Tsuboyama

    IPAC 2012 - International Particle Accelerator Conference 2012   1825 - 1827   2012.12

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    The Belle experiment, operated at the asymmetric electron-positron collider KEKB, hadaccumulated a data sample with an integrated luminosity of more than 1 ab-1before the shutdown in June 2010. We have started upgrading both the accelerator and thedetector, SuperKEKB and Belle-II, to achieve the target luminosity of 8 ×1035cm-2s-1. With the increased luminosity, the beam background willbe severe. The development of Machine- Detector Interface (MDI) design is crucial to copewith the increased background and protect Belle-II detector. We will present the estimationof impact from each beam background sources at SuperKEKB and our countermeasures for them,such as collimators to stop Touschek-scattered beam particles, Tungsten shield to protectinner detectors from shower particles, and dedicated beam pipe design around interactionpoint to stop synchrotron radiation, etc. Copyright © 2012 by IEEE.

  • Measurements of the T2K neutrino beam properties using the INGRID on-axis near detector Reviewed

    K. Abe, et. al. [T2K Collaboation]

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   694   211 - 223   2012.12( ISSN:01689002

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    Precise measurement of neutrino beam direction and intensity was achieved based on a new concept with modularized neutrino detectors. INGRID (Interactive Neutrino GRID) is an on-axis near detector for the T2K long baseline neutrino oscillation experiment. INGRID consists of 16 identical modules arranged in horizontal and vertical arrays around the beam center. The module has a sandwich structure of iron target plates and scintillator trackers. INGRID directly monitors the muon neutrino beam profile center and intensity using the number of observed neutrino events in each module. The neutrino beam direction is measured with accuracy better than 0.4 mrad from the measured profile center. The normalized event rate is measured with 4% precision. © 2012 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.nima.2012.03.023

  • Compact 8-LEAD unit for the SC correction coils of the superkekb IR magnet system Reviewed

    Z. G. Zong, N. Ohuchi, K. Tsuchiya, N. Higashi, M. Iwasaki, H. Yamaoka, M. Tawada

    AIP Conference Proceedings   1434   985 - 992   2012.08( ISSN:0094243X

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    In the proposed SuperKEKB interaction region (IR) magnet system 40 superconducting (SC) correction coils are designed to perform some specific functions with current of about 50 A. To energize these coils, 80 current leads will be mounted in the cryostats where the stringent spatial constraint and the cryogenic operation require a compact and optimum design. We propose a compact unit to integrate 8 helium vapor cooled leads (4 pairs). The 8 leads are made of brass and consist of two structures for the transported current and helium vapor, which are designed and simulated by finite element model (FEM). This paper will introduce the material selection and structure details. To equalize the temperature profiles of the individual leads under the different currents and helium flows, some copper blocks are placed between leads. In the cold test, the 8 leads were operated in the nominal mode and responded safely to some transient situation. This paper will present the thermal and electrical comparison between the experimental results and numerical calculation. © 2012 American Institute of Physics.

    DOI: 10.1063/1.4707016

  • Development of the Superconducting Quadrupole Magnet for the SuperKEKB Final Focusing System Reviewed

    Masako Iwasaki, Norihito Ohuchi, Kiyosumi Tsuchiya, Masafumi Tawada, Norio Higashi, Zhanguo Zong, Toshiyuki Oki

    IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY   22 ( 3 )   - 7   2012.06( ISSN:1051-8223

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    We have developed the superconducting final-focus quadrupoles for SuperKEKB, the next generation B-factory experiment in Japan. The system consists of four quadrupole doublets for incoming and outgoing electron and positron beams, respectively. A R&D superconducting quadrupole magnet was fabricated. In this paper, we describe the results on the excitation test and the magnetic field measurements of this R&D magnet.

    DOI: 10.1109/TASC.2011.2182022

  • First muon-neutrino disappearance study with an off-axis beam Reviewed International coauthorship

    Abe K., ..., Iwasaki M., 他 T2K Collaboration

    PHYSICAL REVIEW D   85 ( 3 )   2012.02( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.85.031103

  • Design study of final focusing superconducting magnets for the superkekb Reviewed International coauthorship

    M. Tawada, N. Ohuchi, M. Iwasaki, K. Tsuchiya, T. Oki, Z. G. Zong, N. Higashi, H. Yamaoka, H. Koiso, A. Morita, Y. Ohnishi, K. Oide

    IPAC 2011 - 2nd International Particle Accelerator Conference   2457 - 2459   2011.12( ISBN:978-929083366-6

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    Publishing type:Research paper (international conference proceedings)   Kind of work:Joint Work   International / domestic magazine:International journal  

    SuperKEKB is the upgrade project of KEKB [1]. We have performed the design study of the final focus superconducting magnets for the SuperKEKB interaction region (IR). These must be located as close to the interaction point (IP) as possible so that each beams can be squeezed to the small vertical beam size of 60 nm. While the space constraints are very severe, the wider aperture with good field quality is required. In this paper, the design status of final focusing system is reported. Copyright © 2011 by IPAC'11/EPS-AG.

  • Beam background and MDI design for superkekb/belle-ii Reviewed

    H. Nakayama, M. Iwasaki, K. Kanazawa, H. Nakano, Y. Ohnishi, S. Tanaka, T. Tsuboyama

    IPAC 2011 - 2nd International Particle Accelerator Conference   3702 - 3704   2011.12

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    The Belle experiment, operated at the asymmetric electron-positron collider KEKB, had accumulated a data sample with an integrated luminosity of more than 1 ab-1 before the shutdown in June 2010. We have started upgrading both the accelerator and the detector, SuperKEKB and Belle-II, to achieve the target luminosity of 8 × 1035cm-2s-1. With the increased luminosity, the beam background will be severe. The development of Machine- Detector Interface (MDI) design is crucial to cope with the increased background and protect Belle-II detector. We will present the estimation of impact from each beam background sources at SuperKEKB and our countermeasures for them, such as collimators to stop Touschek-scattered beam particles, Tungsten shield to protect inner detectors from shower particles, and dedicated beam pipe design around interaction point to stop synchrotron radiation, etc. Copyright © 2011 by IPAC&#039;11/EPS-AG.

  • The T2K experiment Reviewed

    K. Abe, et. al. [T2K Collaboation]

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   659 ( 1 )   106 - 135   2011.12( ISSN:01689002

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    The T2K experiment is a long baseline neutrino oscillation experiment. Its main goal is to measure the last unknown lepton sector mixing angle θ13 by observing νe appearance in a νμ beam. It also aims to make a precision measurement of the known oscillation parameters, Δ232+ and sin22θ23, via νμ disappearance studies. Other goals of the experiment include various neutrino cross-section measurements and sterile neutrino searches. The experiment uses an intense proton beam generated by the J-PARC accelerator in Tokai, Japan, and is composed of a neutrino beamline, a near detector complex (ND280), and a far detector (Super-Kamiokande) located 295 km away from J-PARC. This paper provides a comprehensive review of the instrumentation aspect of the T2K experiment and a summary of the vital information for each subsystem. © 2011 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.nima.2011.06.067

  • Indication of Electron Neutrino Appearance from an Accelerator-Produced Off-Axis Muon Neutrino Beam Reviewed International coauthorship

    Abe K., ..., Iwasaki M., 他 T2K Collaboration

    PHYSICAL REVIEW LETTERS   107 ( 4 )   2011.07( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.107.041801

  • Design and Construction of the Final Focus Quadrupole R&D Magnet for Super-KEKB Reviewed

    Ohuchi Norihito, Tsuchiya Kiyosumi, Tawada Masafumi, Higashi Norio, Iwasaki Masako, Zong Zhanguo

    IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY   21 ( 3 )   1829 - 1832   2011.06( ISSN:1051-8223

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    DOI: 10.1109/TASC.2010.2085031

  • Observation of two charged bottomonium-like resonances International coauthorship

    I. Adachi, et. al. [Belle Collaboation]

    Proceedings of the 9th International Conference on Flavor Physics and CP Violation, FPCP 2011   2011.01

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    We report the observation of two narrow structures at 10610 MeV/c 2 and 10650 MeV/c2 in the π ±γ(nS) (n = 1,2,3) and π±hb(mP) (m = 1,2) mass spectra that are produced in association with a single charged pion in γ(5S) decays. The measured masses and widths of the two structures averaged over the five final states are M1 = 10608.4 ± 2.0MeV/c2, γ1 = 15.6 ± 2.5 MeV and M 2 = 10653.2 ± 1.5 MeV/c2, γ2 = 14.4 ±3.2 MeV. Analysis favors quantum numbers of IG(J P)=1+(1+) for both states. The results are obtained with a 121.4 fb-1 data sample collected with the Belle detector near the γ(5S) resonance at the KEKB asymmetric-energy e+e- collider.

  • Progress of design study of interaction region quadrupoles for the super-KEKB Reviewed

    M. Tawada, N. Ohuchi, Y. Funakoshi, M. Iwasaki, H. Koiso, A. Monta, Y. Ohnishi, K. Oide, K. Tsuchiya, Z. G. Zong

    IPAC 2010 - 1st International Particle Accelerator Conference   346 - 348   2010.12

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    For KEKB upgrade, we are studying the design of the final focus quadrupoles to achieve very small β-functions at the interaction point (IP). For each beam, the final beam focusing system consists of quadrupole-doublet of the superconducting and permanent magnets. In this paper, the design progress of final focusing magnets is reported.

  • Recent progress of KEKB Invited Reviewed

    Y. Funakoshi, T. Abe, K. Akai, Y. Cai, K. Ebihara, K. Egawa, A. Enomoto, J. Flanagan, H. Fukuma, K. Furukawa, T. Furuya, J. Haba, T. Ieiri, N. Iida, H. Ikeda, T. Ishibashi, M. Iwasaki, T. Kageyama, S. Kamada, T. Kamitani, S. Kato, M. Kikuchi, E. Kikutani, H. Koiso, M. Masuzawa, T. Mimashi, T. Miura, A. Morita, T. T. Nakamura, K. Nakanishi, M. Nishiwaki, Y. Ogawa, K. Ohmi, Y. Ohnishi, N. Ohuchi, K. Oide, T. Oki, M. Ono, M. Satoh, Y. Seimiya, K. Shibata, M. Suetake, Y. Suetsugu, T. Sugimura, Y. Susaki, T. Suwada, M. Tawada, M. Tejima, M. Tobiyama, N. Tokuda, S. Uehara, S. Uno, Y. Yamamoto, Y. Yano, K. Yokoyama, Mi Yoshida, S. Yoshimoto, D. Zhou, Z. Zong

    IPAC 2010 - 1st International Particle Accelerator Conference   2372 - 2374   2010.12( ISBN:978-929083352-9

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    The skew-sextupole magnets contributed to the luminosity improvement at KEKB. The luminosity gain by the crab cavities was measured as about 20% with the skew-sextupole magnets. The peak luminosity surpassed 2 × 10 34cm-2s-1 which is twice as high as the design value. The specific luminosity and the vertical beam-beam parameter are still much lower than the predictions by the beam-beam simulation with crab crossing. The total integrated luminosity accumulated by the Belle detector surpassed 1000 fb-1 which is one of the initial goals of KEKB/Belle.

  • Evaluation of the detector BG for SuperKEKB International coauthorship

    M. Iwasaki, S. Sugihara, H. Aihara, Y. Funakoshi, J. Haba, N. Iida, K. Kanazawa, H. Koiso, H. Nakano, C. Ng, Y. Ohnishi, K. Shibata, S. Tanaka, T. Tsuboyama, S. Uno, Y. Ushiroda, H. Yamamoto

    IPAC 2010 - 1st International Particle Accelerator Conference   1557 - 1559   2010.12( ISBN:978-929083352-9

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    Authorship:Lead author   Publishing type:Research paper (international conference proceedings)   Kind of work:Joint Work   International / domestic magazine:International journal  

    SuperKEKB is the upgrade plan of the current B-factory experiment with the KEKB accelerator at KEK. Its luminosity is designed to be 8×10 35 /cm 2 /s (40 times higher than KEKB) and the integrated luminosity is expected to be 50 ab -1 . In SuperKEKB, it is important to evaluate the beam induced BG and design the interaction region (IR) to assure the stable detector operation. To estimate the beam induced BG, we construct the beam-line simulation based on the GEANT4 simulation. To study the particle BG features, we did the background studies during the 2009 fall Belle runs. In this paper, we report the BG evaluation for SuperKEKB.

  • Measurement of ηη production in two-photon collisions Reviewed

    S. Uehara, Y. Watanabe, H. Nakazawa, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   82 ( 11 )   2010.12( ISSN:15507998

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    We report the first measurement of the differential cross section for the process γγ→ηη in the kinematic range above the ηη threshold, 1.096GeV<W<3.8GeV over nearly the entire solid angle range, |cosθ⊃*|≤0.9 or ≤1.0 depending on W, where W and θ⊃* are the energy and η scattering angle, respectively, in the γγ center-of-mass system. The results are based on a 393fb⊃-1 data sample collected with the Belle detector at the KEKB e⊃+e⊃- collider. In the W range 1.1-2.0GeV/c2 we perform an analysis of resonance amplitudes for various partial waves, and at higher energy we compare the energy and the angular dependences of the cross section with predictions of theoretical models and extract contributions of the χcJ charmonia. © 2010 The American Physical Society.

    DOI: 10.1103/PhysRevD.82.114031

  • R&D status of a large-aperture hybrid avalanche photo-detector Reviewed

    Abe Toshinori, Aihara Hiroaki, Iwasaki Masako, Fujimori Hiroki, Kasimura Keizo, Mineo Sogo, Uchida Tomohisa, Tanaka Manobu, Kawai Yoshihiko, Kyushima Hiroyuki, Suyama Motohiro, Shiozawa Masato

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   623 ( 1 )   279 - 281   2010.11( ISSN:0168-9002

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    DOI: 10.1016/j.nima.2010.02.221

  • Search for B-s(0) -> hh decays at the Y(5S) resonance Reviewed International coauthorship

    Peng C. -C., Chang P., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   82 ( 7 )   2010.10( ISSN:1550-7998

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    DOI: 10.1103/PhysRevD.82.072007

  • Measurement of CP violating asymmetries in B0→K+K -KS0 decays with a time-dependent Dalitz approach Reviewed

    Y. Nakahama, K. Sumisawa, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   82 ( 7 )   2010.10( ISSN:15507998

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    We report a measurement of CP violating asymmetries in B0(B ̄0)→K+K-KS0 decays with a time-dependent Dalitz approach. This analysis is based on a data sample of 657×106 BB̄ pairs accumulated at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. As the result of an unbinned maximum likelihood fit to the selected candidates, the mixing-induced and direct CP violation parameters φ 1eff and ACP are obtained for B0→φ(1020)KS0, B0→f 0(980)KS0, and other B0→K+K-KS0 decays. We find four solutions that describe the data. There are φ1eff(B0→φ (1020)KS0)=(32.2±9.0±2.6±1.4)°;φ1eff(B0→φ (1020)KS0)=(26.2±8.8±2.7±1.2)°;φ1eff(B0→φ (1020)KS0)=(27.3±8.6±2.8±1.3)°;andφ1eff(B0→ φ(1020)KS0)=(24.3±8.0±2.9±5.2)°. The values for the CP violating phase in B0→φ(1020)KS0 are similar, but other properties of the Dalitz plot are quite different for the four solutions. These four solutions have consistent φ1eff values for all three B-meson decay channels and none of them deviates significantly from the values measured in B→(cc̄)K0 decays with the currently available statistics. In addition, we find no significant direct CP violation. © 2010 The American Physical Society.

    DOI: 10.1103/PhysRevD.82.073011

  • Search for lepton flavor violating tau(-) decays into l(-)K(S)(0) l(-)K(S)(0)K(S)(0) Reviewed International coauthorship

    Miyazaki Y., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICS LETTERS B   692 ( 1 )   4 - 9   2010.08( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2010.07.012

  • Evidence for B -> K eta 'gamma decays at Belle Reviewed International coauthorship

    Wedd R., , ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   81 ( 11 )   2010.06( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.81.111104

  • Observation of Bs0→Ds*-π+ and Bs0→Ds(*) -ρ+ and measurement of the Bs0→Ds*-ρ+ longitudinal polarization fraction Reviewed

    R. Louvot, O. Schneider, et. al. [Belle Collaboation]

    Physical Review Letters   104 ( 23 )   2010.06( ISSN:00319007

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    First observations of the Bs0→Ds*-π+, Bs0→Ds-ρ+ and Bs0→Ds*-ρ+ decays are reported together with measurements of their branching fractions: B(Bs0→Ds*-π+)=[2.4-0.4+0.5(stat)±0.3(syst) ±0.4(fs)]×10-3, B(Bs0→Ds-ρ+)=[8.5-1. 2+1.3(stat)±1.1(syst)±1.3(fs)]×10-3 and B(Bs0→Ds*-ρ+)=[11.9-2.0+2.2(stat)±1.7(syst) ±1.8(fs)]×10-3 (fs=NBs(*)B̄s(*)/ Nbb̄). From helicity-angle distributions, we measured the longitudinal polarization fraction in Bs0→Ds*-ρ+ decays to be fL(Bs0→Ds*-ρ+)=1.05-0.10+0.08(stat)-0.04+0.03(syst). These results are based on a 23.6fb-1 data sample collected at the Υ(5S) resonance with the Belle detector at the KEKB e+e - collider. © 2010 The American Physical Society.

    DOI: 10.1103/PhysRevLett.104.231801

  • Measurement of the branching fractions and the invariant mass distributions for τ-→h-h+h-ντ decays Reviewed

    M. J. Lee, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   81 ( 11 )   2010.06( ISSN:15507998

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    We present a study of τ-→π -π+π-ντ, τ -→K-π+π-ντ, τ-→K-K+π-ντ, and τ-→K-K+K-ντ decays using a 666fb-1 data sample collected with the Belle detector at the KEKB asymmetric-energy e+e- collider at and near a center-of-mass energy of 10.58 GeV. The branching fractions are measured to be B(τ-→π-π+π -ντ)=(8.42±0.00-0.25+0.26)×10-2, B(τ-→K-π+π-ντ) =(3.30±0.01-0.17+0.16)×10-3, B(τ -→K-K+π-ντ)=(1. 55±0.01-0.05+0.06)×10-3, and B(τ -→K-K+K-ντ)=(3. 29±0.17-0.20+0.19)×10-5, where the first uncertainty is statistical and the second is systematic. These branching fractions do not include contributions from modes in which a π+π- pair originates from a KS0 decay. We also present the unfolded invariant mass distributions for these decays. © 2010 The American Physical Society.

    DOI: 10.1103/PhysRevD.81.113007

  • Evidence for direct CP violation in the decay B±→ D(*)K±, D→KS0π+π - and measurement of the CKM phase φ3 Reviewed

    A. Poluektov, A. Bondar, B. D. Yabsley, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   81   2010.06( ISSN:15507998

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    We present a new measurement of the unitarity triangle angle φ3 using a Dalitz plot analysis of the KS0π+π- decay of the neutral D meson produced in B±→D(*) K± decays. The method exploits the interference between D0 and D̄0 to extract the angle φ3, strong phase δ, and the ratio r of suppressed and allowed amplitudes. We apply this method to a 605fb-1 data sample collected by the Belle experiment. The analysis uses three decays: B±→DK±, and B ±→D*K± with D *→Dπ0 and D*→Dγ, as well as the corresponding charge-conjugate modes. From a combined maximum likelihood fit to the three modes, we obtain φ3=78.4°+10.8°-11. 6°±3.6°(syst)±8.9°(model). CP conservation in this process is ruled out at the confidence level (1-CL)=5×10-4, or 3.5 standard deviations. © 2010 The American Physical Society.

    DOI: 10.1103/PhysRevD.81.112002

  • Search for CP violation in the decays D(s)+→KS0π+ and D(s)+→KS0K+ Reviewed

    B. R. Ko, E. Won, et. al. [Belle Collaboation]

    Physical Review Letters   104 ( 18 )   2010.05( ISSN:00319007

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    We have searched for CP violation in the charmed meson decays D(s)+→KS0π+ and D(s)+→KS0K+ using 673fb -1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No evidence for CP violation is observed. We report the most sensitive CP asymmetry measurements to date for these decays: ACPD+→KS0π+=(-0. 71±0.19±0.20)%, ACPDs+→KS0π+=(+5.45±2. 50±0.33)%, ACPD+→KS0K+=(-0.16±0. 58±0.25)%, and ACPDs+→KS0K+=(+0.12±0.36±0. 22)%, where the first uncertainties are statistical and the second are systematic. © 2010 The American Physical Society.

    DOI: 10.1103/PhysRevLett.104.181602

  • Search for lepton-flavor-violating tau decays into three leptons with 719 million produced tau(+)tau(-) pairs Reviewed International coauthorship

    Hayasaka K., Inami K., Miyazaki Y., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICS LETTERS B   687 ( 2-3 )   139 - 143   2010.04( ISSN:0370-2693

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1016/j.physletb.2010.03.037

  • Search for B0→K*0K̄*0, B0→K*0K*0 and B0→K+π-Kπ± decays Reviewed

    C. C. Chiang, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   81 ( 7 )   2010.04( ISSN:15507998

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    We report a search for the decays B0→K*0K ̄*0 and B0→K*0K *0. We also measure other charmless decay modes with K +π-K-π+ and K +π-K+π- final states. The results are obtained from a data sample containing 657×106 BB̄ pairs collected with the Belle detector at the KEKB asymmetric-energy e +e- collider. We set upper limits on the branching fractions for B0→K*0K̄*0 and B0→K*0K*0 of 0.81×10 -6 and 0.20×10-6, respectively, at the 90% confidence level. © 2010 The American Physical Society.

    DOI: 10.1103/PhysRevD.81.071101

  • Evidence for a New Resonance and Search for the Y(4140) in the gamma gamma -> phi J/psi Process Reviewed International coauthorship

    Shen C. P., Yuan C. Z., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW LETTERS   104 ( 11 )   2010.03( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.104.112004

  • Observation of a Charmoniumlike Enhancement in the gamma gamma ->omega J/psi Process Reviewed International coauthorship

    Uehara S., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW LETTERS   104 ( 9 )   2010.03( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.104.092001

  • Study of the B→X(3872)(→D*0D̄0)K decay Reviewed

    T. Aushev, N. Zwahlen, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   81 ( 3 )   2010.02( ISSN:15507998

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    We present a study of B→X(3872)K with X(3872) decaying to D*0D̄0 using a sample of 657×106 BB̄ pairs recorded at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. Both D*0→D0γ and D*0→D0π0 decay modes are used. We find a peak of 50.1-11.1+14.8 events with a mass of (3872.9-0.4-0.5+0.6+0.4)MeV/c2, a width of (3.9-1.4-1.1+2.8+0.2)MeV/c2 and a product branching fraction B(B→X(3872)K)×B(X(3872)→D*0D̄0)=(0. 80±0.20±0.10)×10-4, where the first errors are statistical and the second ones are systematic. The significance of the signal is 6.4σ. The difference between the fitted mass and the D*0D̄0 threshold is calculated to be (1.1-0.4-0.3+0.6+0.1)MeV/c2. We also obtain an upper limit on the product of branching fractions B(B→Y(3940)K) ×B(Y(3940)→D*0D̄0) of 0.67×10 -4 at 90% CL. © 2010 The American Physical Society.

    DOI: 10.1103/PhysRevD.81.031103

  • Measurement of the branching fractions for B0→Ds*+π - and B0→Ds*-K+ decays Reviewed

    N. J. Joshi, T. Aziz, K. Trabelsi, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   81 ( 3 )   2010.02( ISSN:15507998

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    We present a study of B0→Ds*+π- and B0→Ds*-K+ decays based on a sample of 657×106 BB̄ events collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We measure the branching fractions to be B(B0→Ds*+π-)=(1.75±0.34(stat)±0.17(syst) ±0.11(B))×10-5 and B(B0→Ds*-K +)=(2.02±0.33(stat)±0.18(syst)±0.13(B)) ×10-5, with significances of 6.1 and 8.0 standard deviations, respectively. The first uncertainty is statistical, the second is due to the experimental systematics, and the third is from uncertainties in the Ds+ decay branching fractions. From our measurements, we obtain the most precise determination so far of RD*π, where RD*π is the ratio between amplitudes of the doubly Cabibbo-suppressed decay B0→D*+π- and the Cabibbo-favored B0→D*-π+ decay. © 2010 The American Physical Society.

    DOI: 10.1103/PhysRevD.81.031101

  • Search for lepton flavor and lepton number violating tau decays into a lepton and two charged mesons Reviewed

    Miyazaki Y., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICS LETTERS B   682 ( 4-5 )   355 - 362   2010.01( ISSN:0370-2693

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1016/j.physletb.2009.11.061

  • Measurement of |Vub| from inclusive charmless semileptonic B decays Reviewed

    P. Urquijo, E. Barberio, et. al. [Belle Collaboation]

    Physical Review Letters   104 ( 2 )   2010.01( ISSN:00319007

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    We present the partial branching fraction for inclusive charmless semileptonic B decays and the corresponding value of the Cabibbo-Kobayashi- Maskawa matrix element |Vub|, using a multivariate analysis method to access ∼90% of the B→Xu ν phase space. This approach dramatically reduces the theoretical uncertainties from the b-quark mass and nonperturbative QCD compared to all previous inclusive measurements. The results are based on a sample of 657×106 BB̄ pairs collected with the Belle detector. We find that ΔB(B→Xu ν;p *B>1.0GeV/c)=1. 963×(1±0.088stat±0.081syst)×10-3. Corresponding values of |Vub| are extracted using several theoretical calculations. © 2010 The American Physical Society.

    DOI: 10.1103/PhysRevLett.104.021801

  • Measurement of CP asymmetries in B-0 -> K-0 pi(0) decays Reviewed

    Fujikawa M., Yusa Y., Dalseno J., Hazumi M., Sumisawa K., ..., Iwasaki M., 他 Belle Collaboration

    PHYSICAL REVIEW D   81 ( 1 )   2010.01( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.81.011101

  • The SuperKEKB accelerator status International coauthorship

    Masako Iwasaki

    35TH INTERNATIONAL CONFERENCE OF HIGH ENERGY PHYSICS (ICHEP 2010)   2010

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    Publishing type:Research paper (international conference proceedings)   Kind of work:Joint Work   International / domestic magazine:International journal  

    DOI: 10.22323/1.120.0519

  • R&D Status of HAPD

    Toshinori Abe, Hiroaki Aihara, Masako Iwasaki, Manobu Tanaka, Yoshihiko Kawai, Hiroyuki Kyushima, Motohiro Suyama, Masato Shiozawa

    Proceedings of Science   2009.12( ISSN:18248039

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    Publishing type:Research paper (international conference proceedings)   International / domestic magazine:International journal  

    We are reporting the R&D status of a large-aperture Hybrid Avalanche Photo-Detector (HAPD). We have developed a 13-inch aperture HAPD. The HAPD is a photo detector expected to replace the photomultiplier tube (PMT) in next-generation imaging water Cherenkov detectors such as Hyper Kamiokande. We will present the excellent performance of the HAPD (~200 ps time resolution and single photon sensitivity). We will also describe the readout and high-voltage power supply designed for the HAPD.

  • Measurement of D+→KS0K+ and Ds+→KS0π+ branching ratios Reviewed

    E. Won, B. R. Ko, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   80 ( 11 )   2009.12( ISSN:15507998

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    We report an improved measurement of D+→KS0K+ and Ds+→KS0π+ branching ratios using 605fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The measured branching ratios with respect to the Cabibbo-favored modes are B(D+→KS0K+)/B(D+→KS0π+)=0. 1899±0.0011±0.0022 and B(Ds+→KS0π+)/B(Ds+→KS0K+)=0. 0803±0.0024±0.0019 where the first uncertainties are statistical and the second are systematic. © 2009 The American Physical Society.

    DOI: 10.1103/PhysRevD.80.111101

  • Measurement of cross sections of exclusive e+ e- → V P processes at sqrt(s) = 10.58 GeV Reviewed

    K. Belous, M. Shapkin, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   681 ( 5 )   400 - 405   2009.11( ISSN:03702693

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    The cross sections for the reactions e+ e- → φ{symbol} η, φ{symbol} η′, ρη, ρ η′ have been measured using a data sample of 516 fb- 1 collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. The corresponding values of the cross sections are: 1.4 ± 0.4 ± 0.1 fb (φ{symbol} η), 5.3 ± 1.1 ± 0.4 fb (φ{symbol} η′), 3.1 ± 0.5 ± 0.1 fb (ρ η) and 3.3 ± 0.6 ± 0.2 fb (ρ η′). The energy dependence of the cross sections is presented using Belle measurements together with those of CLEO and BaBar. © 2009 Elsevier B.V.

    DOI: 10.1016/j.physletb.2009.10.037

  • Measurement of the e(+)e(-)->(DD*-)-D-0 pi(+) cross section using initial-state radiation Reviewed International coauthorship

    Pakhlova G., et. al. [Belle Collaboation]

    PHYSICAL REVIEW D   80 ( 9 )   2009.11( ISSN:1550-7998

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.80.091101

  • International Scoping Study (ISS) for a future neutrino factory and Super-Beam facility. Detectors and flux instrumentation for future neutrino facilities Reviewed

    T. Abe, H. Aihara, C. Andreop Oulos, A. Ankowski, A. Badertscher, G. Battistoni, A. Blondel, J. Bouchez, A. Bross, A. Bueno, L. Camilleri, J. E. Campagne, A. Cazes, A. Cervera-Villanueva, G. De Lellis, F. Di Capua, M. Ellis, A. Ereditato, L. S. Esposito, C. Fukushima, E. Gschwendtner, J. J. Gomez-Cadenas, M. Iwasaki, K. Kaneyuki, Y. Karadzhov, V. Kashikhin, Y. Kawai, M. Komatsu, E. Kozlovskaya, Y. Kudenko, A. Kusaka, H. Kyushima, A. Laing, K. Long, A. Longhin, A. Marchionni, A. Marotta, C. McGrew, S. Menary, A. Meregaglia, M. Mezzeto, P. Migliozzi, N. K. Mondal, C. Montanari, T. Nakadaira, M. Nakamura, H. Nakumo, H. Nakayama, J. Nelson, J. Nowak, S. Ogawa, J. Peltoniemi, A. Pla-Dalmau, S. Ragazzi, A. Rubbia, F. Sanchez, J. Sarkamo, O. Sato, M. Selvi, H. Shibuya, M. Shozawa, J. Sobczyk, F. J.P. Soler, P. Strolin, M. Suyama, M. Tanaka, F. Terranova, R. Tsenov, Y. Uchida, A. Weber, A. Zlobin

    Journal of Instrumentation   4   2009.11( ISSN:17480221

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    Publishing type:Research paper (scientific journal)  

    This report summarises the conclusions from the detector group of the International Scoping Study of a future Neutrino Factory and Super-Beam neutrino facility. The baseline detector options for each possible neutrino beam are defined as follows: A very massive (Megaton) water Cherenkov detector is the baseline option for a sub-GeV Beta Beam and Super Beam facility. There are a number of possibilities for either a Beta Beam or Super Beam (SB) medium energy facility between 1-5 GeV. These include a totally active scintillating detector (TASD), a liquid argon TPC or a water Cherenkov detector. A 100 kton magnetized iron neutrino detector (MIND) is the baseline to detect the wrong sign muon final states (golden channel) at a high energy (20-50 GeV) neutrino factory from muon decay. A 10 kton hybrid neutrino magnetic emulsion cloud chamber detector for wrong sign tau detection (silver channel) is a possible complement to MIND, if one needs to resolve degeneracies that appear in the δ- θ13 parameter space. © 2009 IOP Publishing Ltd and SISSA.

    DOI: 10.1088/1748-0221/4/05/T05001

  • Measurement of the Differential Branching Fraction and Forward-Backward Asymmetry for B -> K((*))l(+) l(-) Reviewed International coauthorship

    Wei J-T., Chang P., et. al. [Belle Collaboation]

    PHYSICAL REVIEW LETTERS   103 ( 17 )   2009.10( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.103.171801

  • Measurements of charmless hadronic b→s penguin decays in the π+π-K+π- final state and first observation of B0→ρ0K+π- Reviewed

    S. H. Kyeong, Y. J. Kwon, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   80 ( 5 )   2009.09( ISSN:15507998

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    We report measurements of charmless hadronic B0 decays into the π+π-K+π- final state. The analysis uses a sample of 657×106 BB̄ pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider at the resonance. The decay B0→ρ0K+π- is observed for the first time; the significance is 5.0σ and the corresponding partial branching fraction for MKπ(0.75,1.20)GeV/c2 is [2.8±0.5(stat) ±0.5(syst)]×10-6. We also obtain the first evidence for B0→f0(980)K+π- with 3.5σ significance and for B0→π+π- K*0 with 4.5σ significance. For the two-body decays B0→ρ0K*0 and B0→f0(980)K*0, the significances are 2.7σ and 2.5σ, respectively, and the upper limits on the branching fractions are 3.4×10-6 and 2.2×10-6 at 90% confidence level. © 2009 The American Physical Society.

    DOI: 10.1103/PhysRevD.80.051103

  • Measurement of y(CP) in D-0 meson decays to the (KSK+K-)-K-0 final state Reviewed International coauthorship

    Zupanc A., et. al. [Belle Collaboation]

    PHYSICAL REVIEW D   80 ( 5 )   2009.09( ISSN:1550-7998

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.80.052006

  • Measurement of B -> D-s(()*K-)pi branching fractions Reviewed International coauthorship

    Wiechczynski J., Lesiak T., et. al. [Belle Collaboation]

    PHYSICAL REVIEW D   80 ( 5 )   2009.09( ISSN:1550-7998

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.80.052005

  • Dalitz analysis of B -> K pi(+)psi ' decays and the Z(4430)(+) Reviewed International coauthorship

    Mizuk R., et. al. [Belle Collaboation]

    PHYSICAL REVIEW D   80 ( 3 )   2009.08( ISSN:1550-7998

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.80.031104

  • Observation of the phi(1680) and the Y(2175) in e(+)e(-) -> phi pi(+)pi(-) Reviewed International coauthorship

    Shen C. P., Yuan C. Z., Wang P., Wang X. L., et. al. [Belle Collaboation]

    PHYSICAL REVIEW D   80 ( 3 )   2009.08( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.80.031101

  • High-statistics study of eta pi(0) production in two-photon collisions Reviewed International coauthorship

    Uehara S., Watanabe Y., Nakazawa H., et. al. [Belle Collaboation]

    PHYSICAL REVIEW D   80 ( 3 )   2009.08( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)   Kind of work:Joint Work  

    DOI: 10.1103/PhysRevD.80.032001

  • Observation of the doubly cabibbo-suppressed decay Ds+→K+K+π- Reviewed

    B. R. Ko, E. Won, et. al. [Belle Collaboation]

    Physical Review Letters   102 ( 22 )   2009.06( ISSN:00319007

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    Publishing type:Research paper (scientific journal)  

    We report the first observation of the doubly Cabibbo-suppressed decay Ds+→K+K+π- using 605fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching ratio with respect to its Cabibbo-favored counterpart B(Ds+→K+K+π-)/B(Ds+→K+K-π+) is (0.229±0.028±0.012)%, where the first uncertainty is statistical and the second is systematic. We also report a significantly improved measurement of the doubly Cabibbo-suppressed decay D+→K+π+π-, with a branching ratio B(D+→K+π+π-)/B(D+→K-π+π+)=(0.569±0. 018±0.014)%. © 2009 The American Physical Society.

    DOI: 10.1103/PhysRevLett.102.221802

  • Time-dependent Dalitz plot measurement of CP parameters in B-0 -> K-S(0)pi(+)pi(-) decays Reviewed International coauthorship

    Dalseno J., et. al. [Belle Collaboation]

    PHYSICAL REVIEW D   79 ( 7 )   2009.04( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.79.072004

  • Search for the X(1812) in B±→K±ωΦ Reviewed

    C. Liu, Z. P. Zhang, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   79 ( 7 )   2009.04( ISSN:15507998

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    We report on a search for the X(1812) state in the decay B±→K±ω with a data sample of 657×106 BB̄ pairs collected with the Belle detector at the KEKB e+e- collider. No significant signal is observed. An upper limit B(B±→K±X(1812) ,X(1812)→ω)<3.2×10-7 (90% C.L.) is determined. We also constrain the three-body decay branching fraction to be B(B±→ K±ω)<1.9×10-6 (90% C.L.). © 2009 The American Physical Society.

    DOI: 10.1103/PhysRevD.79.071102

  • Observation of B-0 -> Lambda(Lambda)over-barK(0) and B-0 -> Lambda(Lambda)over-barK*(0) at Belle Reviewed International coauthorship

    Chang Y. -W., Wang M. -Z., et. al. [Belle Collaboation]

    PHYSICAL REVIEW D   79 ( 5 )   2009.03( ISSN:1550-7998

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    DOI: 10.1103/PhysRevD.79.052006

  • Search for lepton-flavor-violating τ decay into a lepton and an f<inf>0</inf> (980) meson Reviewed

    Y. Miyazaki, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   672 ( 4-5 )   317 - 322   2009.03( ISSN:03702693

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    We search for lepton-flavor-violating τ decays into a lepton (electron or muon) and an f0 (980) meson using 671 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. No events are observed and we set the following 90% C.L. upper limits on the branching fraction products: B (τ- → e- f0 (980)) × B (f0 (980) → π+ π-) < 3.2 × 10- 8 and B (τ- → μ- f0 (980)) × B (f0 (980) → π+ π-) < 3.4 × 10- 8. This is the first search performed for these modes. © 2009 Elsevier B.V.

    DOI: 10.1016/j.physletb.2009.01.058

  • Study of Omega(0)(c) and Omega(c)*(0) baryons at Belle Reviewed International coauthorship

    Solovieva E., Chistov R., et. al. [Belle Collaboation]

    PHYSICS LETTERS B   672 ( 1 )   1 - 5   2009.02( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2008.12.062

  • Measurement of the decay Bs0→Ds-π+ and evidence for Bs0→Ds K± in e+e- annihilation at s 10.87GeV Reviewed

    R. Louvot, J. Wicht, O. Schneider, et. al. [Belle Collaboation]

    Physical Review Letters   102 ( 2 )   2009.01( ISSN:00319007

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    We have studied Bs0→Ds-π+ and Bs0→Ds K± decays using 23.6fb-1 of data collected at the Υ(5S) resonance with the Belle detector at the KEKB e+e- collider. This highly pure Bs0→Ds-π+ sample is used to measure the branching fraction, B(Bs0→Ds-π+)=[3.67-0.33+0.35(stat)-0. 42+0.43(syst)±0.49(fs)]×10-3 (fs=NBs(*)B̄s(*)/ Nbb̄) and the fractions of Bs0 event types at the Υ(5S) energy, in particular NBs*B̄s*/NBs(*)B̄s(*)=(90.1-4.0+3. 8±0.2)%. We also determine the masses M(Bs0)=(5364.4±1.3±0. 7)MeV/c2 and M(Bs*)=(5416.4±0.4±0.5)MeV/c2. In addition, we observe Bs0→Ds K± decays with a significance of 3.5σ and measure B(Bs0→Ds K±)=[2.4-1.0+1.2(stat)±0.3(syst)±0. 3(fs)]×10-4. © 2009 The American Physical Society.

    DOI: 10.1103/PhysRevLett.102.021801

  • IP beam size measurement during collisions at super-KEKB Reviewed

    M. Iwasaki, T. Tauchi, T. Tsuboyama

    IEEE Nuclear Science Symposium Conference Record   276 - 278   2009( ISSN:1095-7863

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    We report studies of the direct IP beam size measurement during collisions at the future Super-KEKB asymmetric energy e+e- collider experiment by using e+e- pairs. A large number of e +e- pairs are produced during the collisions and deflected in a strong Coulomb potential made by an oncoming beam. Since the potential depends on the vertical and horizontal beam sizes, the deflected pairs are expected to carry the beam size information, especially in their angular distributions. This IP beam size measurement method has been developed for the future e+e- linear collider experiments, where the huge number of e+e- pairs and the strong Coulomb potential are expected because of their high energy beam collisions. We describe the idea of the application to the beam size measurement at Super-KEKB based on its superior high luminosity, and show the first results of the simulation studies. ©2009 IEEE.

    DOI: 10.1109/NSSMIC.2009.5401756

  • IP Beam Size Measurement During Collisions at Super-KEKB Reviewed

    M. Iwasaki, T. Tauchi, T. Tsuboyama

    IEEE 2009 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-5   276 - +   2009( ISSN:1082-3654

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    We report studies of the direct IP beam size measurement during collisions at the future Super-KEKB asymmetric energy e(+)e(-) collider experiment by using e(+)e(-) pairs. A large number of e(+)e(-) pairs are produced during the collisions and deflected in a strong Coulomb potential made by an oncoming beam. Since the potential depends on the vertical and horizontal beam sizes, the deflected pairs are expected to carry the beam size information, especially in their angular distributions. This IP beam size measurement method has been developed for the future e(+)e(-) linear collider experiments, where the huge number of e(+)e(-) pairs and the strong Coulomb potential are expected because of their high energy beam collisions. We describe the idea of the application to the beam size measurement at Super-KEKB based on its superior high luminosity, and show the first results of the simulation studies.

  • Measurement of the Time-Dependent CP Asymmetries in B-0 -> K-S(0)rho(0)gamma Decays Reviewed International coauthorship

    Li J., et. al. [Belle Collaboation]

    PHYSICAL REVIEW LETTERS   101 ( 25 )   2008.12( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.101.251601

  • Search for a CP asymmetry in Cabibbo-suppressed D-0 decays Reviewed International coauthorship

    Staric M., et. al. [Belle Collaboation]

    PHYSICS LETTERS B   670 ( 3 )   190 - 195   2008.12( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2008.10.052

  • Evidence for Neutral B Meson Decays to omega K*(0) Reviewed International coauthorship

    Goldenzweig P., Schwartz A. J., et. al. [Belle Collaboation]

    PHYSICAL REVIEW LETTERS   101 ( 23 )   2008.12( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.101.231801

  • Measurement of B0→π+π-π+π- decays and search for B0→ρ0ρ0 Reviewed

    C. C. Chiang, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   78 ( 11 )   2008.12( ISSN:15507998

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    We report on a search for the decay B0→ρ0ρ0 and other charmless modes with a π+π-π+π- final state, including B0→ρ0π+π-, nonresonant B0→4π±, B0→ρ0f0(980), B0→f0(980)f0(980) and B0→f0(980)π+π-. These results are obtained from a data sample containing 657×106 BB̄ pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We set an upper limit on B(B0→ρ0ρ0) of 1.0×10-6 at the 90% confidence level (C.L.). From our B0→ρ0ρ0 measurement and an isospin analysis, we determine the Cabibbo-Kobayashi-Maskawa phase 2 to be 91.7±14.9 degrees. We find excesses in B0→ρ0π+π- and nonresonant B0→4π± with 1.3σ and 2.5σ significance, respectively. The corresponding branching fractions are less than 12.0×10-6 and 19.3×10-6 at the 90% C.L. In addition, we set 90% C.L. upper limits as follows: B(B0→ρ0f0(980))<0.3×10-6, B(B0→f0(980)f0(980))<0.1×10-6, and B(B0→f0(980)π+π-) <3.8×10-6. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.78.111102

  • Study of intermediate two-body decays in (B)over-bar(0) -> Sigma(c)(2455)(0)(p)over-bar pi(+) Reviewed International coauthorship

    Kim H. O., Kichimi H., et. al. [Belle Collaboration]

    PHYSICS LETTERS B   669 ( 5 )   287 - 293   2008.11( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2008.09.059

  • Evidence for B-0 -> chi(c1)pi(0) at Belle Reviewed International coauthorship

    Kumar R., Singh J. B., et. al. [Belle Collaboration]

    PHYSICAL REVIEW D   78 ( 9 )   2008.11( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.78.091104

  • Study of the suppressed B meson decay B--> DK-, D -> K+pi(-) Reviewed

    Horii Y., Trabelsi K., Yamamoto H., Adachi I., Aihara H., Arinstein K., Aulchenko V., Balagura V., Barberio E., Bedny I., Belous K., Bhardwaj V., Bitenc U., Blyth S., Bozek A., Bracko M., Browder T. E., Chao Y., Chen A., Chen W. T., Cheon B. G., Chistov R., Cho I.-S., Choi S.-K., Choi Y., Dalseno J., Dash M., Eidelman S., Gabyshev N., Ha H., Haba J., Hara T., Hayasaka K., Hazumi M., Heffernan D., Hoshi Y., Hou W.-S., Hyun H. J., Inami K., Ishikawa A., Ishino H., Itoh R., Iwabuchi M., Iwasaki M., Iwasaki Y., Kah D. H., Kaji H., Kang J. H., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim H. J., Kim S. K., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kuo C. C., Kuroki Y., Kuzmin A., Kwon Y.-J., Lee J. S., Lee M. J., Lee S. E., Lesiak T., Li J., Lin S.-W., Liu C., Liventsev D., Mandl F., McOnie S., Medvedeva T., Mitaroff W., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Nagamine T., Nagasaka Y., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Ozaki H., Pakhlova G., Park C. W., Park H., Park H. K., Peak L. S., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Schneider O., Schwanda C., Schwartz A. J., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shiu J.-G., Somov A., Stanic S., Staric M., Sumiyoshi T., Suzuki S., Takasaki F., Tamura N., Tanaka M., Teramoto Y., Tsuboyama T., Uehara S., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Varvell K. E., Vervink K., Wang C. H., Wang M.-Z., Wang P., Wang X. L., Watanabe Y., Wedd R., Won E., Yamashita Y., Yamauchi M., Zhang C. C., Zhang Z. P., Zhilich V., Zhulanov V., Zupanc A., Zyukova O.

    PHYSICAL REVIEW D   78 ( 7 )   2008.10( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.78.071901

  • Observation of two resonancelike structures in the pi(+)chi(c1) mass distribution in exclusive (B)overbar(0)-> K-pi(+)chi(c1) decays Reviewed

    Mizuk R., Chistov R., Adachi I., Aihara H., Arinstein K., Aulchenko V., Aushev T., Bakich A. M., Balagura V., Barberio E., Bay A., Bhardwaj V., Bitenc U., Bondar A., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chang M. -C., Chang P., Chen A., Chen K. -F., Cheon B. G., Chiang C. -C., Cho I. -S., Choi S. -K., Choi Y., Dalseno J., Danilov M., Drutskoy A., Eidelman S., Epifanov D., Goldenzweig P., Golob B., Ha H., Haba J., Hayasaka K., Hayashii H., Hazumi M., Hoshi Y., Hou W. -S., Hsiung Y. B., Hyun H. J., Iijima T., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kah D. H., Kaji H., Kang J. H., Kawasaki T., Kichimi H., Kim H. J., Kim H. O., Kim Y. I., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kumar R., Kuzmin A., Kwon Y. -J., Kyeong S. -H., Lange J. S., Lee J. S., Lee M. J., Lin S. -W., Liu C., Liu Y., Liventsev D., Mandl F., McOnie S., Miyabayashi K., Miyata H., Miyazaki Y., Nakano E., Nakao M., Nakazawa H., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Ozaki H., Pakhlov P., Pakhlova G., Palka H., Park C. W., Park H., Park H. K., Peak L. S., Pestotnik R., Piilonen L. E., Poluektov A., Sahoo H., Sakai Y., Schneider O., Schwartz A. J., Senyo K., Shiu J. -G., Shwartz B., Singh J. B., Sokolov A., Somov A., Stanic S., Staric M., Sumiyoshi T., Tanaka M., Taylor G. N., Teramoto Y., Tikhomirov I., Trabelsi K., Uehara S., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Varvell K. E., Vervink K., Wang C. H., Wang M. -Z., Wang P., Wang X. L., Watanabe Y., Wicht J., Won E., Yabsley B. D., Yamashita Y., Zhang C. C., Zhang Z. P., Zhilich V., Zhulanov V., Zivko T., Zupanc A., Zyukova O.

    PHYSICAL REVIEW D   78 ( 7 )   2008.10( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.78.072004

  • Observation of a near-threshold enhancement in the e+e- →Λc+Λc- Cross section using initial-state radiation Reviewed

    G. Pakhlova, et. al. [Belle Collaboation]

    Physical Review Letters   101 ( 17 )   2008.10( ISSN:00319007

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    We report a measurement of the exclusive e+e-→Λc+Λc- cross section as a function of center-of-mass energy near the Λc+Λc- threshold. A clear peak with a significance of 8.2σ is observed in the Λc+Λc- invariant mass distribution just above threshold. With an assumption of a resonance origin for the observed peak, a mass and width of M=[4634-7+8(stat)-8+5(syst)]MeV/c2 and Γtot=[92- 24+40(stat)-21+10(syst)]MeV are determined. The analysis is based on a study of events with initial-state-radiation photons in a data sample collected with the Belle detector at the Υ(4S) resonance and nearby continuum with an integrated luminosity of 695fb-1 at the KEKB asymmetric-energy e+e- collider. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevLett.101.172001

  • High-statistics study of the τ-→π-π0ντ decay Reviewed

    M. Fujikawa, H. Hayashii, S. Eidelman, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   78 ( 7 )   2008.10( ISSN:15507998

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    We report a high-statistics measurement of the branching fraction for τ-→π-π0ντ and the invariant mass spectrum of the produced π-π0 system using 72.2fb-1 of data recorded with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching fraction obtained is (25.24±0.01±0.39)%, where the first error is statistical and the second is systematic. The unfolded π-π0 mass spectrum is used to determine resonance parameters for the ρ(770), ρ′(1450), and ρ′′(1700) mesons. We also use this spectrum to estimate the hadronic (2π) contribution to the anomalous magnetic moment of the muon (aμππ). Our result for aμππ integrated over the mass range s=2mπ-1.8GeV/c2 is aμππ=(523.5±1.5(exp)±2.6(Br) ±2.5(isospin))×10-10, where the first error is due to the experimental uncertainties, the second is due to the uncertainties in the branching fractions, and the third is due to the uncertainties in the isospin-violating corrections. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.78.072006

  • High-statistics measurement of neutral-pion pair production in two-photon collisions Reviewed

    Uehara S., Watanabe Y., Adachi I., Aihara H., Arinstein K., Bakich A. M., Balagura V., Barberio E., Bay A., Bedny I., Belous K., Bhardwaj V., Bitenc U., Bondar A., Bracko M., Browder T. E., Chang M. -C., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Cho I. -S., Choi Y., Dalseno J., Dash M., Drutskoy A., Eidelman S., Epifanov D., Golob B., Ha H., Haba J., Hayasaka K., Hayashii H., Hoshi Y., Hou W. -S., Hyun H. J., Iijima T., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Kah D. H., Kaji H., Kang J. H., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim H. J., Kim Y. I., Kim Y. J., Korpar S., Krizan P., Krokovny P., Kumar R., Kuzmin A., Kwon Y. -J., Kyeong S. -H., Lange J. S., Lee J. S., Lee S. E., Limosani A., Lin S. -W., Liu C., Liu Y., Liventsev D., Mandl F., McOnie S., Miyabayashi K., Miyazaki Y., Mori T., Nagasaka Y., Nakamura I., Nakano E., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Ozaki H., Pakhlov P., Pakhlova G., Palka H., Park C. W., Park H., Park H. K., Park K. S., Peak L. S., Piilonen L. E., Sahoo H., Sakai Y., Schneider O., Senyo K., Sevior M. E., Shapkin M., Shen C. P., Shiu J. -G., Shwartz B., Singh J. B., Sokolov A., Stanic S., Staric M., Sumiyoshi T., Suzuki S. Y., Taylor G. N., Teramoto Y., Tikhomirov I., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Wang C. H., Wang P., Wang X. L., Wedd R., Won E., Yamashita Y., Yusa Y., Zhang Z. P., Zhilich V., Zhulanov V., Zivko T., Zupanc A., Zyukova O.

    PHYSICAL REVIEW D   78 ( 5 )   2008.09( ISSN:1550-7998

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    DOI: 10.1103/PhysRevD.78.052004

  • Measurement of branching fractions, isospin, and CP-violating asymmetries for exclusive b→dγ modes Reviewed

    N. Taniguchi, M. Nakao, S. Nishida, et. al. [Belle Collaboation]

    Physical Review Letters   101 ( 11 )   2008.09( ISSN:00319007

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    We report new measurements of the decays B+→ρ+γ, B0→ρ0γ, and B0→ωγ using a data sample of 657×106 B meson pairs accumulated with the Belle detector at the KEKB e+e- collider. We measure branching fractions B(B+→ρ+γ)=(8.7-2.7-1. 1+2.9+0.9)×10-7, B(B0→ρ0γ)=(7.8-1.6-1.0+1.7+0.9)×10- 7, and B(B0→ωγ)=(4.0-1.7+1.9±1.3)×10-7. We also report the isospin asymmetry Δ(ργ)=-0.48-0.19-0.09+0.21+0.08 and the first measurement of the direct CP-violating asymmetry ACP(B+→ρ +γ)=-0.11±0.32±0.09, where the first and second errors are statistical and systematic, respectively. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevLett.101.111801

  • Observation of B±→ψ(2S)π± and search for direct CP violation Reviewed

    V. Bhardwaj, R. Kumar, J. B. Singh, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   78 ( 5 )   2008.09( ISSN:15507998

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    We report the first observation of B±→ψ(2S)π±, a Cabibbo- and color-suppressed decay. This analysis is based on 657×106 BB̄ events collected at the Υ(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider. The measured branching fraction is (2.44±0.22±0.20)×10-5 and the charge asymmetry is A=0.022±0.085±0.016. The ratio of the branching fractions B(B±→ψ(2S)π±)/B(B±→ψ(2S)K±)=(3. 99±0.36±0.17)% is also determined. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.78.051104

  • New search for tau -> mu gamma and tau -> e gamma decays at Belle Reviewed

    Hayasaka K., Abe K., Adachi I., Aihara H., Anipko D., Arinstein K., Aulchenko V., Bakich A. M., Barberio E., Bay A., Bedny I., Belous K., Bitenc U., Bizjak I., Bondar A., Bozek A., Bracko M., Brodzicka J., Chang M. -C., Chang P., Chao Y., Chen A., Chen W. T., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Dalseno J., Danilov M., Dash M., Drutskoy A., Eidelman S., Epifanov D., Fratina S., Gabyshev N., Gershon T., Go A., Golob B., Ha H., Haba J., Hara K., Hara T., Hayashii H., Hazumi M., Heffernan D., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Iijima T., Ikado K., Imoto A., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Kaji H., Kang J. H., Kawai H., Kawasaki T., Khan H. R., Kichimi H., Kim S. K., Kim Y. J., Kozakai Y., Krizan P., Krokovny P., Kulasiri R., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lee M. J., Lee S. E., Lesiak T., Lin S. -W., Liventsev D., Mandl F., Matsumoto T., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Moloney G. R., Mori T., Nagasaka Y., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Park H., Park K. S., Peak L. S., Pestotnik R., Piilonen L. E., Poluektov A., Sahoo H., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schwartz A. J., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shwartz B., Singh J. B., Sokolov A., Somov A., Soni N., Stanic S., Staric M., Stoeck H., Sumiyoshi T., Takasaki F., Tamai K., Tamura N., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Tsuboyama T., Tsukamoto T., Uehara S., Ueno K., Uglov T., Uno S., Urquijo P., Usov Y., Varner G., Villa S., Vinokurova A., Wang C. C., Wang C. H., Watanabe Y., Won E., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang Z. P., Zhilich V., Zhulanov V., Zupanc A.

    PHYSICS LETTERS B   666 ( 1 )   16 - 22   2008.08( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2008.06.056

  • Measurement of the moments of the photon energy spectrum in B -> X-s gamma decays and determination of |V-cb| and m(b) at Belle Reviewed

    Schwanda C., Urquijo P., Barberio E., Limosani A., Adachi I., Aihara H., Arinstein K., Aushev T., Bahinipati S., Bakich A. M., Balagura V., Bedny I., Belous K., Bitenc U., Bondar A., Bozek A., Brancko M., Chang M. -C., Chen A., Chen W. T., Cheon B. G., Chistov R., Cho I. -S., Choi Y., Dalseno J., Dash M., Drutskoy A., Eidelman S., Golob B., Ha H., Haba J., Hara T., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hoshi Y., Hou W. -S., Hyun H. J., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kah D. H., Kang J. H., Kapusta P., Katayama N., Kichimi H., Kim H. J., Kim Y. J., Kinoshita K., Korpar S., Kozakai Y., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kuroki Y., Kuzmin A., Kwon Y. -J., Lee J. S., Lee M. J., Lee S. E., Lesiak T., Li J., Liu C., Liventsev D., Mandl F., Matyja A., McOnie S., Medvedeva T., Mitaroff W., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Nakano E., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Noguchi S., Nozaki T., Ogawa S., Ohshima T., Okuno S., Pakhlov P., Pakhlova G., Palka H., Park C. W., Park H., Peak L. S., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Schneider O., Schuemann J., Seidl R., Sekiya A., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shiu J. -G., Shwartz B., Somov A., Stanic S., Staric M., Sumiyoshi T., Takasaki F., Tanaka M., Taylor G. N., Teramoto Y., Tikhomirov I., Trabelsi K., Uehara S., Unno Y., Uno S., Varner G., Varvell K. E., Vervink K., Villa S., Wang C. H., Wang P., Watanabe Y., Wedd R., Won E., Yabsley B. D., Yamamoto H., Yamashita Y., Zhang Z. P., Zupanc A.

    PHYSICAL REVIEW D   78 ( 3 )   2008.08( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.78.032016

  • Measurement of masses of the Xi(c)(2645) and Xi(c)(2815) baryons and observation of Xi(c)(2980)->Xi(c)(2645)pi Reviewed

    Lesiak T., Adachi I., Aihara H., Arinstein K., Bakich A. M., Balagura V., Barberio E., Bedny I., Belous K., Bhardwaj V., Bitenc U., Blyth S., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chao Y., Chen A., Chen W. T., Cheon B. G., Chistov R., Cho I. -S., Choi S. -K., Choi Y., Dalseno J., Dash M., Eidelman S., Gabyshev N., Golob B., Ha H., Haba J., Hayasaka K., Hazumi M., Heffernan D., Hoshi Y., Hou W. -S., Hyun H. J., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Joshi N. J., Kah D. H., Kaji H., Kang J. H., Kawai H., Kawasaki T., Kichimi H., Kim H. J., Kim S. K., Kim Y. J., Korpar S., Krizan P., Krokovny P., Kuo C. C., Kwon Y. -J., Lange S., Lee J. S., Lee M. J., Lee S. E., Li J., Lin S. -W., Liu C., Liventsev D., Mandl F., McOnie S., Medvedeva T., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Nagasaka Y., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Nozaki T., Ogawa S., Ohshima T., Okuno S., Ozaki H., Pakhlova G., Palka H., Park C. W., Park H. K., Peak L. S., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Schneider O., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shiu J. -G., Shwartz B., Sokolov A., Stanic S., Staric M., Sumiyoshi T., Takasaki F., Tanaka M., Taylor G. N., Teramoto Y., Tikhomirov I., Trabelsi K., Tsuboyama T., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Urquijo P., Varner G., Varvell K. E., Vervink K., Wang C. C., Wang C. H., Wang M. -Z., Wang P., Wang X. L., Watanabe Y., Wedd R., Won E., Yabsley B. D., Yamamoto H., Yamashita Y., Yamauchi M., Zhang Z. P., Zhilich V., Zhulanov V., Zupanc A., Zyukova O.

    PHYSICS LETTERS B   665 ( 1 )   9 - 15   2008.07( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2008.05.055

  • Search for B+→D*+π0 decay Reviewed

    M. Iwabuchi, M. Nakao, et. al. [Belle Collaboation]

    Physical Review Letters   101 ( 4 )   2008.07( ISSN:00319007

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    We report on a search for the doubly Cabibbo suppressed decay B+→D*+π0, based on a data sample of 657×106 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We find no significant signal and set an upper limit of B(B+→D*+π0)<3.6×10-6 at the 90% confidence level. This limit can be used to constrain the ratio between suppressed and favored B→D*π decay amplitudes, r<0.051, at the 90% confidence level. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevLett.101.041601

  • Search for B→πℓ+ℓ- decays at Belle Reviewed

    J. T. Wei, K. F. Chen, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   78 ( 1 )   2008.07( ISSN:15507998

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    We present a search for the decays B+→π+ℓ+ℓ- and B0→π0ℓ+ℓ-, where ℓ+ℓ- is either a μ+μ- or e+e- pair, with a data sample of 657×106 BB̄ pairs collected with the Belle detector at the KEKB e+e- collider. Signal events are reconstructed from a charged or a neutral pion candidate and a pair of oppositely charged electrons or muons. No significant signal is observed and we set an upper limit on the isospin-averaged branching fraction B(B→πℓ+ℓ-)<6.2×10-8 at the 90% confidence level. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.78.011101

  • Search for B0→J/ψ decays Reviewed

    Y. Liu, K. Trabelsi, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   78 ( 1 )   2008.07( ISSN:15507998

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    We report a search for the decay B0→J/ψ, using a sample of 657×106 BB̄ pairs collected with the Belle detector at the Υ(4S) resonance. No statistically significant signal is found and an upper limit for the branching fraction is determined to be B(B0→J/ψ)<9.4×10-7 at 90% confidence level. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.78.011106

  • Observation of B-0 -> p(p)over-barK*(0) with a large K*(0) polarization Reviewed

    Chen J. -H., Wang M. -Z., Adachi I., Aihara H., Arinstein K., Aulchenko V., Aushev T., Bakich A. M., Balagura V., Barberio E., Bay A., Bedny I., Belous K., Bitenc U., Bondar A., Bozek A., Bracko M., Browder T. E., Chang M. -C., Chao Y., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Chistov R., Cho I. -S., Choi S. -K., Choi Y., Dalseno J., Dash M., Drutskoy A., Eidelman S., Golob B., Ha H., Haba J., Hara T., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hoshi Y., Hou W. -S., Hsiung Y. B., Hyun H. J., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Joshi N. J., Kah D. H., Kaji H., Kapusta P., Katayama N., Kawasaki T., Kichimi H., Kim H. J., Kim S. K., Kim Y. J., Kinoshita K., Krokovny P., Kumar R., Kuo C. C., Kwon Y. -J., Lee J. S., Lee M. J., Lee S. E., Lesiak T., Li J., Limosani A., Liu C., Liventsev D., Mandl F., Matyja A., McOnie S., Medvedeva T., Mitaroff W., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Nakano E., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Ozaki H., Pakhlov P., Pakhlova G., Palka H., Park C. W., Park H., Peak L. S., Pestotnik R., Piilonen L. E., Rozanska M., Sahoo H., Sakai Y., Schneider O., Senyo K., Sevior M. E., Shapkin M., Shen C. P., Shibuya H., Shiu J. -G., Singh J. B., Somov A., Stanic S., Staric M., Sumiyoshi T., Takasaki F., Tanaka M., Taylor G. N., Teramoto Y., Tikhomirov I., Trabelsi K., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Vervink K., Villa S., Vinokurova A., Wang C. C., Wang C. H., Wang P., Wang X. L., Watanabe Y., Wedd R., Won E., Yamamoto H., Yamashita Y., Zhang C. C., Zhang Z. P., Zhulanov V., Zupanc A.

    PHYSICAL REVIEW LETTERS   100 ( 25 )   2008.06( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.100.251801

  • Measurement of B(D-s(+)->mu(+)nu(mu)) Reviewed

    Widhalm L., Adachi I., Aihara H., Aushev T., Bakich A. M., Balagura V., Barberio E., Bay A., Bedny I., Bhardwaj V., Bitenc U., Blyth S., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chao Y., Chen A., Chen W. T., Cheon B. G., Chistov R., Cho I. -S., Choi Y., Dalseno J., Dash M., Drutskoy A., Eidelman S., Goldenzweig P., Golob B., Ha H., Haba J., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hoshi Y., Hou W. -S., Hsiung Y. B., Hyun H. J., Iijima T., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kah D. H., Kang J. H., Kapusta P., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim S. K., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kuroki Y., Kuzmin A., Kwon Y. -J., Lee J., Lee J. S., Lee M. J., Lee S. E., Lesiak T., Lin S. -W., Liu C., Liventsev D., Mandl F., Matyja A., McOnie S., Mitaroff W., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Nakano E., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Noguchi S., Ogawa S., Ohshima T., Okuno S., Ozaki H., Pakhlov P., Pakhlova G., Palka H., Park C. W., Park H., Park K. S., Peak L. S., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Schneider O., Seidl R., Sekiya A., Senyo K., Shapkin M., Shibuya H., Shiu J. -G., Singh J. B., Somov A., Stanic S., Staric M., Sumiyoshi T., Suzuki S. Y., Takasaki F., Tamura N., Tanaka M., Taylor G. N., Teramoto Y., Tikhomirov I., Trabelsi K., Uehara S., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Vervink K., Wang C. H., Wang M. -Z., Wang P., Watanabe Y., Wedd R., Won E., Yabsley B. D., Yamamoto H., Yamashita Y., Zhang Z. P., Zhilich V., Zupanc A., Zyukova O.

    PHYSICAL REVIEW LETTERS   100 ( 24 )   2008.06( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.100.241801

  • Search for lepton-flavor-violatingy tau -> lV(0) decays at Belle Reviewed

    Nishio Y., Inami K., Ohshim T., Adachi I., Aihara H., Arinstein K., Aulchenko V., Aushev T., Aziz T., Bakich A. M., Balagura V., Barberio E., Bedny I., Beious K., Bitenc U., Blyth S., Bondar A., Bracko M., Browder T. E., Chen A., Chen W. T., Cheon B. G., Cho I. -S., Choi Y., Dalseno J., Danilov M., Dash M., Drutskoy A., Eidelman S., Epifanov D., Gabyshev N., Golob B., Ha H., Haba J., Hara K., Hayasaka K., Hayashii H., Hazumi M., Horii Y., Hoshi Y., Hou W. -S., Hsiung Y. B., Iijima T., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Joshi N. J., Kah D. H., Kaji H., Kang J. H., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim Y. J., Korpar S., Kozakai Y., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kuroki Y., Kuzmin A., Kwon Y. -J., Lee J. S., Lee M. J., Lee S. E., Lesiak T., Limosani A., Liu Y., Liventsev D., Mandl F., McOnie S., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Mori T., Nakano E., Nakao M., Nakazawa H., Nishida S., Nitoh O., Ogawa S., Okuno S., Ozaki H., Pakhlov P., Pakhlova G., Park C. W., Park H., Pestotnik R., Piilonen L. E., Poluektov A., Sakai Y., Schneider O., Senyo K., Sevior M. E., Shapkin M., Shebalin V., Shibuya H., Shiu J. -G., Shwartz B., Singh J. B., Sokolov A., Somov A., Stanic S., Staric M., Sumiyoshi T., Takasaki F., Tanaka M., Taylor G. N., Teramoto Y., Tikhomirov I., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Usov Y., Varner G., Villa S., Vinokurova A., Wang C. H., Wang P., Wang X. L., Watanabe Y., Won E., Yamashita Y., Zhang Z. P., Zhilich V., Zhulanov V., Zupanc A., Zyukova O.

    PHYSICS LETTERS B   664 ( 1-2 )   35 - 40   2008.06( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2008.05.012

  • Improved search for D0-D̄0 mixing using semileptonic decays at Belle Reviewed

    U. Bitenc, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   77 ( 11 )   2008.06( ISSN:15507998

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    A search for mixing in the neutral D meson system has been performed using semileptonic D0→K(*)-e+ν and D0→K(*)-μ+ν decays. Neutral D mesons from D*+→D0πs+ decays are used and the flavor at production is tagged by the charge of the slow pion. The measurement is performed using 492fb-1 of data recorded by the Belle detector. From the yield of right-sign and wrong-sign decays arising from nonmixed and mixed events, respectively, we measure the ratio of the time-integrated mixing rate to the unmixed rate to be RM=(1.3±2.2±2.0)×10-4. This corresponds to an upper limit of RM<6.1×10-4 at the 90% C.L. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.77.112003

  • Production of new charmoniumlike states in e(+)e(-)-> J/psi D(()*())(D)over-bar(()*()) at root s approximate to 10.6 GeV Reviewed

    Pakhlov P., Adachi I., Aihara H., Arinstein K., Aushev T., Aziz T., Bakich A. M., Balagura V., Barberio E., Bedny I., Belous K., Bhardwaj V., Bitenc U., Bondar A., Bozek A., Bracko M., Browder T. E., Chao Y., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Chistov R., Choi Y., Dalseno J., Danilov M., Dash M., Drutskoy A., Eidelman S., Golob B., Ha H., Hayasaka K., Hazumi M., Heffernan D., Hoshi Y., Hou W. -S., Hsiung Y. B., Hyun H. J., Iijima T., Ikado K., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kah D. H., Kang J. H., Kapusta P., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kwon Y. -J., Lange J. S., Lee M. J., Lee S. E., Lesiak T., Limosani A., Lin S. -W., Liu Y., Liventsev D., Mandl F., Matyja A., Medvedeva T., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Mori T., Nakano E., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Noguchi S., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Ozaki H., Pakhlova G., Palka H., Park C. W., Peak L. S., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Schneider O., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shen C. P., Shibuya H., Shiu J. -G., Singh J. B., Somov A., Stanic S., Staric M., Sumiyoshi T., Suzuki S., Takasaki F., Tamai K., Tamura N., Tanaka M., Taylor G. N., Teramoto Y., Tikhomirov I., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Vervink K., Wang C. H., Wang P., Wang X. L., Watanabe Y., Won E., Yabsley B. D., Yamashita Y., Yamauchi M., Yuan C. Z., Zhang C. C., Zhang Z. P., Zhilich V., Zupanc A., Zyukova O.

    PHYSICAL REVIEW LETTERS   100 ( 20 )   2008.05( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.100.202001

  • Search for resonant B± → K± h → K± γ γ decays at Belle Reviewed

    J. Wicht, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   662   323 - 329   2008.05( ISSN:03702693

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    We report measurements and searches for resonant B± → K± h → K± γ γ decays where h is a η, η′, ηc, ηc (2 S), χc 0, χc 2, J / ψ meson or the X (3872) particle. The results are based on a data sample containing 535 million B over(B, ̄) pairs collected with the Belle detector at the KEKB e+ e- asymmetric-energy collider operating at the Υ{hooked} (4 S) resonance. Signals are observed in the modes with η and η′, and we obtain evidence for a signal in the mode with ηc. We measure B (B± → K± η → K± γ γ) = (0.87-0.15+0.16 (stat)-0.07+0.10 (syst)) × 10-6, B (B± → K± η′ → K± γ γ) = (1.40-0.15+0.16 (stat)-0.12+0.15 (syst)) × 10-6 and B (B± → K± ηc → K± γ γ) = (0.22-0.07+0.09 (stat)-0.02+0.04 (syst)) × 10-6. We set upper limits on the branching fractions of the other modes. © 2008 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2008.03.029

  • Measurements of time-dependent CP violation in B0→ψ(2S)KS0 decays Reviewed

    H. Sahoo, T. E. Browder, K. Trabelsi, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   77 ( 9 )   2008.05( ISSN:15507998

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    We report improved measurements of time-dependent CP violation parameters for B0(B̄0)→ψ(2S)KS0. This analysis is based on a data sample of 657×106 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider. We fully reconstruct one neutral B meson in the ψ(2S)KS0 CP-eigenstate decay channel, and the flavor of the accompanying B meson is identified to be either B0 or B̄0 from its decay products. CP violation parameters are obtained from the asymmetries in the distributions of the proper-time intervals between the two B decays: Sψ(2S)KS0=+0.72±0.09(stat)±0.03(syst), Aψ(2S)KS0=+0.04±0.07(stat)±0.05(syst). These results are in agreement with results from measurements of B0→J/ψK0. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.77.091103

  • Measurement of the branching fraction and charge asymmetry of the decay B+→D+D̄0 and search for B0→D0D̄0 Reviewed

    I. Adachi, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   77 ( 9 )   2008.05( ISSN:15507998

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    We report an improved measurement of the B+→D+D̄0 and B0→D0D̄0 decays based on 657×106 BB̄ events collected with the Belle detector at KEKB. We measure the branching fraction and charge asymmetry for the B+→D+D̄0 decay: B(B+→D+D̄0)=(3. 85±0.31±0.38)×10-4 and ACP(B+→D+D̄0)=0. 00±0.08±0.02, where the first error is statistical and the second is systematic. We also set the upper limit for the B0→D0D̄0 decay: B(B0→D0D̄0)<0.43×10-4 at 90% CL. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.77.091101

  • Study of B→D**lν with full reconstruction tagging Reviewed

    D. Liventsev, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   77 ( 9 )   2008.05( ISSN:15507998

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    We report a study of semileptonic B decays to P-wave D** mesons. Semileptonic decay to a D2* meson is observed for the first time and its product branching ratio is measured to be B(B+→D̄2*0 +ν)×B(D̄2*0→D-π+)=0.22±0.03(stat.)±0. 04(syst.)%. The result is obtained using fully reconstructed B tags from a data sample that contains 657×106BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.77.091503

  • Measurement of the ratio B(D-0 ->pi(+)pi(-)pi(0))/B(D-0 -> K-pi(+)pi(0)) and the time-integrated CP asymmetry in D-0 ->pi(+)pi(-)pi(0) Reviewed

    Arinstein K., Adachi I., Aihara H., Aulchenko V., Aushev T., Aziz T., Bahinipati S., Bakich A. M., Balagura V., Barberio E., Bay A., Bedny I., Belous K., Bhardwaj V., Bitenc U., Blyth S., Bondar A., Bozek A., Bracko M., Browder T. E., Chao Y., Chen A., Chen W. T., Cheon B. G., Chistov R., Cho I. -S., Choi Y., Cole S., Dalseno J., Danilov M., Dash M., Drutskoy A., Eidelman S., Epifanov D., Gabyshev N., Goldenzweig P., Golob B., Ha H., Haba J., Hara K., Hayasaka K., Hayashii H., Hazumi M., Hoshi Y., Hou W. -S., Iijima T., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Joshi N. J., Kah D. H., Kaji H., Kang J. H., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim S. K., Kim Y. J., Kinoshita K., Korpar S., Kozakai Y., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kuroki Y., Kuzmin A., Kwon Y. -J., Lange J. S., Lee J. S., Lee M. J., Lee S. E., Lesiak T., Limosani A., Lin S. -W., Liu C., Liu Y., Liventsev D., Mandl F., McOnie S., Mitaroff W., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Mori T., Nakano E., Nakao M., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Ozaki H., Pakhlov P., Pakhlova G., Park C. W., Park H., Park K. S., Pestotnik R., Piilonen L. E., Poluektov A., Sahoo H., Sakai Y., Schneider O., Schfimann J., Schwanda C., Schwartz A. J., Senyo K., Sevior M. E., Shapkin M., Shebalin V., Shibuya H., Shiu J. -G., Shwartz B., Singh J. B., Sokolov A., Somov A., Stanic S., Staric M., Sumiyoshi T., Suzuki S. Y., Takasaki F., Tanaka M., Taylor G. N., Teramoto Y., Tikhomirov I., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Usov Y., Varner G., Vervink K., Villa S., Vinokurova A., Wang C. H., Wang M. -Z., Wang P., Wang X. L., Watanabe Y., Won E., Yabsley B. D., Yamamoto H., Yamashita Y., Zhang C. C., Zhang Z. P., Zhilich V., Zhulanov V., Zupanc A., Zyukova O.

    PHYSICS LETTERS B   662 ( 2 )   102 - 110   2008.04( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2008.02.054

  • Improved measurement of time-dependent CP violation in B0→J/ψπ0 decays Reviewed

    S. E. Lee, K. Miyabayashi, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   77 ( 7 )   2008.04( ISSN:15507998

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    We report improved measurements of time-dependent CP violation parameters for B0(B̄0)→J/ψπ0 decay. This analysis is based on 535×106 BB̄ pairs accumulated at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. From the distribution of proper time intervals between the two B decays, we obtain the following CP violation parameters SJ/ψπ0=-0.65±0.21(stat) ±0.05(syst)andAJ/ψπ0=+0.08±0.16(stat)±0.05(syst), which are consistent with standard model expectations. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.77.071101

  • Observation of a resonancelike structure in the π+-ψ′ mass distribution in exclusive B→Kπ+-ψ′ decays Reviewed

    S. K. Choi, S. L. Olsen, et. al. [Belle Collaboation]

    Physical Review Letters   100 ( 14 )   2008.04( ISSN:00319007

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    A distinct peak is observed in the π±ψ′ invariant mass distribution near 4.43 GeV in B→Kπ±ψ′ decays. A fit using a Breit-Wigner resonance shape yields a peak mass and width of M=4433±4(stat)±2(syst)MeV and Γ=45-13+18(stat)-13+30(syst) MeV. The product branching fraction is determined to be B(B0→K Z±(4430))×B(Z±(4430)→π±ψ′)=(4. 1±1.0(stat)±1.4(syst))×10-5, where Z±(4430) is used to denote the observed structure. The statistical significance of the observed peak is 6.5σ. These results are obtained from a 605fb-1 data sample that contains 657×106 BB̄ pairs collected near the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevLett.100.142001

  • Measurement of CP asymmetries and branching fractions in a time-dependent Dalitz analysis of B0→(ρπ)0 and a constraint on the quark mixing angle 2 Reviewed

    A. Kusaka, C. C. Wang, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   77 ( 7 )   2008.04( ISSN:15507998

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    We present the results of a time-dependent Dalitz plot analysis of B0→π+π-π0 decays based on a 414fb-1 data sample that contains 449×106BB̄ pairs. The data were collected on the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. Combining our analysis with information on charged B decay modes, we perform a full Dalitz and isospin analysis and obtain a constraint on the quark mixing angle 2, 68°< 2<95° at the 68.3% confidence level for the 2 solution consistent with the standard model. A large standard-model-disfavored region also remains. The branching fractions for the decay processes B0→ρ±(770)π and B0→ρ0(770)π0 are measured to be (22.6±1.1[stat]±4.4[syst])×10-6 and (3.0±0.5[stat] ±0.7[syst])×10-6, respectively. These are the first branching fraction measurements of the process B0→ρ(770)π with the lowest resonance ρ(770) explicitly separated from the radial excitations. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.77.072001

  • Observation of anomalous Y(1S)pi(+)pi(-) and Y(2S)pi(+)pi(-) production near the Y(5S) resonance Reviewed

    Chen K. -F., Hou W. -S., Shapkin M., Sokolov A., Adachi I., Aihara H., Arinstein K., Aulchenko V., Aushev T., Bakich A. M., Balagura V., Bay A., Belous K., Bhardwaj V., Bitenc U., Bondar A., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chang P., Chao Y., Chen A., Chen W. T., Chistov R., Choi Y., Dalseno J., Danilov M., Dash M., Drutskoy A., Eidelman S., Gabyshev N., Golob B., Ha H., Haba J., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hoshi Y., Hsiung Y. B., Hyun H. J., Iijima T., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kah D. H., Kang J. H., Kapusta P., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim H. O., Kim S. K., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kwon Y. -J., Lange J. S., Lee J. S., Lee M. J., Lesiak T., Limosani A., Lin S. -W., Liu Y., Liventsev D., Mandl F., McOnie S., Medvedeva T., Mitaroff W., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Ostrowicz W., Ozaki H., Pakhlov P., Pakhlova G., Palka H., Park C. W., Park H., Park K. S., Pestotnik R., Piilonen L. E., Sakai Y., Schneider O., Schuemann J., Schwanda C., Schwartz A. J., Senyo K., Sevior M. E., Shen C. P., Shibuya H., Shiu J. -G., Shwartz B., Somov A., Stanic S., Staric M., Sumiyoshi T., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Trabelsi K., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Urquijo P., Ushiroda Y., Usov Y., Varner G., Vervink K., Villa S., Wang C. C., Wang C. H., Wang M. -Z., Wang P., Wang X. L., Watanabe Y., Wedd R., Wicht J., Won E., Yabsley B. D., Yamashita Y., Yamauchi M., Yuan C. Z., Yusa Y., Zhang C. C., Zhang Z. P., Zupanc A.

    PHYSICAL REVIEW LETTERS   100 ( 11 )   2008.03( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.100.112001

  • Difference in direct charge-parity violation between charged and neutral B meson decays Reviewed

    Lin S. -W., Unno Y., Hou W. -S., Chang P., Adachi I., Aihara H., Akai K., Arinstein K., Aulchenko V., Aushev T., Aziz T., Bakich A. M., Balagura V., Barberio E., Bay A., Bedny I., Bitenc U., Bondar A., Bozek A., Bracko M., Browder T. E., Chang M. -C., Chao Y., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Chiang C. -C., Chistov R., Cho I. -S., Choi S. -K., Choi Y., Choi Y. K., Cole S., Dalseno J., Danilov M., Dash M., Drutskoy A., Eidelman S., Epifanov D., Fratina S., Fujikawa M., Furukawa K., Gabyshev N., Goldenzweig P., Golob B., Ha H., Haba J., Hara T., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hokuue T., Hoshi Y., Hsiung Y. B., Hyun H. J., Iijima T., Ikado K., Inami K., Ishikawa A., Ishino H., Itoh R., Iwabuchi M., Iwasaki M., Iwasaki Y., Kah D. H., Kaji H., Kataoka S. U., Kawai H., Kawasaki T., Kibayashi A., Kichimi H., Kikutani E., Kim H. J., Kim S. K., Kim Y. J., Kinoshita K., Korpar S., Kozakai Y., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lee M. J., Lee S. E., Lesiak T., Li J., Liu Y., Liventsev D., Mandl F., Marlow D., McOnie S., Medvedeva T., Mimashi T., Mitaroff W., Miyabayashi K., Miyake H., Miyazaki Y., Mizuk R., Mori T., Nakamura T. T., Nakano E., Nakao M., Nakazawa H., Nishida S., Nitoh O., Noguchi S., Nozaki T., Ogawa S., Ogawa Y., Ohshima T., Okuno S., Olsen S. L., Ozaki H., Pakhlova G., Park C. W., Park H., Peak L. S., Pestotnik R., Peters M., Piilonen L. E., Poluektov A., Sahoo H., Sakai Y., Schneider O., Schuemann J., Schwartz A. J., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shen C. P., Shibuya H., Shidara T., Shinomiya S., Shiu J. -G., Shwartz B., Singh J. B., Sokolov A., Somov A., Stanic S., Staric M., Sumisawa K., Sumiyoshi T., Suzuki S., Tajima O., Takasaki F., Tamura N., Tanaka M., Tawada M., Taylor G. N., Teramoto Y., Tikhomirov I., Trabelsi K., Uehara S., Ueno K., Uglov T., Uno S., Urquijo P., Ushiroda Y., Usov Y., Varner G., Varvell K. E., Vervink K., Villa S., Wang C. C., Wang C. H., Wang M. -Z., Watanabe Y., Wedd R., Wicht J., Won E., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Yoshida M., Yuan C. Z., Yusa Y., Zhang C. C., Zhang Z. P., Zhilich V., Zhulanov V., Zupanc A.

    NATURE   452 ( 7185 )   332 - U3   2008.03( ISSN:0028-0836

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    DOI: 10.1038/nature06827

  • Search for B̄0→Λc+Λ̄c- decay at Belle Reviewed

    Y. Uchida, H. Ozaki, H. Kichimi, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   77 ( 5 )   2008.03( ISSN:15507998

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    We search for the doubly charmed baryonic decay B̄0→Λ c+Λ̄c-, in a data sample of 520×106 BB̄ events accumulated at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We find no significant signal and set an upper limit of B(B̄0→Λc+Λ̄c-)<6.2×10-5 at 90% confidence level. The result is significantly below a naive extrapolation from B(B-→Ξc0Λ̄c-) assuming a simple Cabibbo-suppression factor of |Vcd/Vcs|2. The small branching fraction may be attributed to a suppression due to the large momentum of the baryonic decay products, which has been observed in other charmed baryonic two-body B decays. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.77.051101

  • Observation of a new DsJ meson in B+→D̄0D0K+ decays Reviewed

    J. Brodzicka, H. Palka, et. al. [Belle Collaboation]

    Physical Review Letters   100 ( 9 )   2008.03( ISSN:00319007

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    We report the observation of a new DsJ meson produced in B+→D̄0DsJ→D̄0D0K+. This state has a mass of M=2708±9-10+11MeV/c2, a width Γ=108±23-31+36MeV/c2 and a 1- spin-parity. The statistical significance of this observation is 8.4σ. The results are based on an analysis of 449×106 BB̄ events collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevLett.100.092001

  • Measurement of time-dependent CP-violating parameters in B0→KS0KS0 decays Reviewed

    Y. Nakahama, K. Sumisawa, et. al. [Belle Collaboation]

    Physical Review Letters   100 ( 12 )   2008.03( ISSN:00319007

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    We report a measurement of the CP-violating parameters in B0→KS0KS0 decays based on a data sample of 657×106 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. In this Letter, one neutral B meson is fully reconstructed in the B0→KS0KS0 decay mode, and the flavor of the accompanying B meson is identified by its decay products. The CP-violating parameters are measured from the asymmetry in the distributions of the proper-time interval between the two B decays: SKS0KS0=-0.38-0.77+0.69(stat)±0.09(syst) and AKS0KS0=-0.38±0.38(stat)±0.05(syst). © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevLett.100.121601

  • Observation of the psi(4415) -> D(D)over-bar(2)(*)(2460) decay using initial-state radiation Reviewed

    Pakhlova G., Adachi I., Aihara H., Arinstein K., Aulchenko V., Aushev T., Bakich A. M., Balagura V., Barberio E., Bedny I., Belous K., Bitenc U., Bondar A., Bracko M., Brodzicka J., Browder T. E., Chen A., Chen W. T., Cheon B. G., Chiang C. -C., Chistov R., Cho I. -S., Choi Y., Dalseno J., Danilov M., Dash M., Drutskoy A., Eidelman S., Epifanov D., Gabyshev N., Golob B., Ha H., Haba J., Hayasaka K., Hazumi M., Heffernan D., Hoshi Y., Hou W. -S., Hsiung Y. B., Hyun H. J., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Joshi N. J., Kah D. H., Kang J. H., Kawasaki T., Kibayashi A., Kichimi H., Kim H. J., Kim H. O., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lange J. S., Lee M. J., Lee S. E., Lesiak T., Lin S. -W., Liventsev D., Mandl F., Marlow D., McOnie S., Medvedeva T., Miyake H., Mizuk R., Mohapatra D., Moloney G. R., Nagasaka Y., Nakano E., Nakao M., Nakazawa H., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Ozaki H., Pakhlov P., Park H., Park K. S., Peak L. S., Pestotnik R., Piilonen L. E., Poluektov A., Sakai Y., Schneider O., Schwanda C., Senyo K., Shapkin M., Shen C. P., Shibuya H., Shiu J. -G., Shwartz B., Singh J. B., Somov A., Stanic S., Sumiyoshi T., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tikhomirov I., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Usov Y., Varner G., Vinokurova A., Wang C. H., Wang M. -Z., Wang P., Wang X. L., Watanabe Y., Won E., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Yuan C. Z., Zhang C. C., Zhang L. M., Zhang Z. P., Zhilich V., Zhulanov V., Zupanc A.

    PHYSICAL REVIEW LETTERS   100 ( 6 )   2008.02( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.100.062001

  • Search for lepton flavor violating τ decays into three leptons Reviewed

    Y. Miyazaki, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   660 ( 3 )   154 - 160   2008.02( ISSN:03702693

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    We search for lepton flavor violating τ decays into three leptons (electron or muon) using 535 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. No evidence for these decays is observed, and we set 90% confidence level upper limits on the branching fractions of (2.0 - 4.1) × 10-8. These results improve upon our previously published upper limits by factors of 4.9 to 10. © 2008 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2007.12.046

  • Observation of Ds1(2536)+→D+π-K+ and angular decomposition of Ds1(2536)+→D*+KS0 Reviewed

    V. Balagura, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   77 ( 3 )   2008.02( ISSN:15507998

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    Using 462fb-1 of e+e- annihilation data recorded by the Belle detector, we report the first observation of the decay Ds1(2536)+→D+π-K+. The ratio of branching fractions B(Ds1(2536)+→D+π-K+)B(Ds1(2536) +→D*+K0) is measured to be (3.27±0.18±0.37)%. We also study the angular distributions in the Ds1(2536)+→D*+KS0 decay and measure the ratio of D- and S-wave amplitudes. The S-wave dominates, with a partial width of ΓS/Γtotal=0.72±0.05±0.01. © 2008 The American Physical Society.

    DOI: 10.1103/PhysRevD.77.032001

  • Study of charmonia in four-meson final states produced in two-photon collisions Reviewed

    Uehara S., Adachi I., Aihara H., Aulchenko V., Aushev T., Bakich A. M., Balagura V., Barberio E., Bay A., Belous K., Bitenc U., Bondar A., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chang P., Chao Y., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Cho I. -S., Choi Y., Choi Y. K., Dalseno J., Dash M., Drutskoy A., Eidelman S., Epifanov D., Fratina S., Gabyshev N., Gokhroo G., Golob B., Ha H., Haba J., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hokuue T., Hoshi Y., Hou W. -S., Hyun H. J., Iijima T., Ikado K., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Kah D. H., Kaji H., Kang J. H., Kawai H., Kawasaki T., Kichimi H., Kim H. O., Kim S. K., Kim Y. J., Korpar S., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lee J. S., Lee M. J., Lee S. E., Lesiak T., Li J., Limosani A., Lin S. -W., Liu Y., Liventsev D., Mandl F., Matsumoto T., Matyja A., McOnie S., Medvedeva T., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Nagasaka Y., Nakano E., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Palka H., Park C. W., Park H., Peak L. S., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Schneider O., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shiu J. -G., Shwartz B., Singh J. B., Sokolov A., Somov A., Soni N., Stanic S., Staric M., Stoeck H., Sumiyoshi T., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Tsuboyama T., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Vervink K., Villa S., Vinokurova A., Wang C. H., Wang P., Watanabe Y., Won E., Yabsley B. D., Yamaguchi A., Yamashita Y., Yuan C. Z., Zhang C. C., Zhang Z. P., Zhilich V., Zupanc A.

    EUROPEAN PHYSICAL JOURNAL C   53 ( 1 )   1 - 14   2008.01( ISSN:1434-6044

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    DOI: 10.1140/epjc/s10052-007-0451-z

  • Study of the decay mechanism for B+ → p over(p, ̄) K+ and B+ → p over(p, ̄) π+ Reviewed

    J. T. Wei, M. Z. Wang, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   659 ( 1-2 )   80 - 86   2008.01( ISSN:03702693

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    We study the characteristics of the low mass p over(p, ̄) enhancements near threshold in the three-body decays B+ → p over(p, ̄) K+ and B+ → p over(p, ̄) π+. We observe that the proton polar angle distributions in the p over(p, ̄) helicity frame in the two decays have the opposite polarity, and measure the forward-backward asymmetries as a function of the p over(p, ̄) mass for the p over(p, ̄) K+ mode. We also search for the intermediate two-body decays, B+ → over(p, ̄) Δ+ + and B+ → p over(Δ, ̄)0, and set upper limits on their branching fractions. These results are obtained from a 414   fb-1 data sample that contains 449 × 106 B over(B, ̄) events collected near the Υ{hooked} (4 S) resonance with the Belle detector at the KEKB asymmetric-energy e+ e- collider. © 2007 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2007.11.063

  • R&amp;D status of readout system for a large photo cathode HAPD Reviewed

    T. Abe, H. Aihara, M. Iwasaki, H. Miyatake, T. Uchida, M. Tanaka, Y. Kawai, H. Kyushima, M. Suyama, Y. Higashi, T. Mizukami, S. Nakano

    IEEE Nuclear Science Symposium Conference Record   3   2373 - 2376   2007.12( ISSN:10957863

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    Publishing type:Research paper (scientific journal)  

    We develop a readout system dedicated for a Hybrid Avalanche Photo-Detector (HAPD). We employ a waveform sampling and digital signal processing (DSP) technique for the system. We fabricate the first prototype of the system. The system is composed of an analog memory cell (AMC) as the waveform sampler and FINENET with field programmable gate arrays (FPGA) to give low power consumption, high resolution, flexible DSP environment and fast output data transfer. A 64-cell AMC is developed and attained a fast sampling speed of 1GHz with the low power consumption of ∼72mW. FINENET works with online DSP functionality and achieved the data transfer rate to ∼1Gbps with SiTCP. We report the performance of the system with HAPD. © 2007 IEEE.

    DOI: 10.1109/NSSMIC.2007.4436621

  • Measurement of B → D<inf>s</inf>Kπ branching ratios Reviewed

    K. Abe, et. al. [Belle Collaboation]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    We report a measurement of the exclusive B+ meson decay to the final state D-s K+π+ using 520 × 106B ̄B pairs collected near the γ(4S) resonance, with the Belle detector at the KEKB asymmetric-energy e+e- collider. Using the D-S → Ø- decay mode to reconstruct D- s mesons, we obtain the branching fraction B(B+ → D-s K+π+) = (1.77+0.12-0.12(stat)±0.16(syst) ±0.23(B))×10-4. We also present preliminary results of a study of the two-body DsK, Dsπ and Kπ subsystems observed in this final state.

  • Observation of a resonance-like structure in the π ±ψ' mass distribution in exclusive B → Kπ±ψ' decays Reviewed

    S. K. Choi, S. L. Olsen, et. al. [Belle Collaboation]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    A distinct peak is observed in the π±ψ' invariant mass distribution near 4.43 GeV in B → Kπ±ψ' decays. A fit using a Breit-Wigner resonance shape yields a peak mass and width of M = 4433 ± 4 (stat) ± 2 (syst) MeV and F = 45+18 -13 (stat)+30-13 (syst) MeV. The product branching fraction is determined to be B(B0 → K±Z± (4430)) × B(Z±(4430) → π±ψ') = (4.1 ± 1.0(stat) ± 1.4(syst)) × 10-5, where Z±(4430) is used to denote the observed structure. The statistical significance of the observed peak is 6.5σ. These results are obtained from a 605 fb-1 data sample that contains 657 million B ̄B pairs collected near the γ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider.

  • Measurements of time-dependent CP violation in B0 → (2S)K0<inf>S</inf> decays Reviewed

    H. Sahoo, T. E. Browder, K. Trabelsi, et. al. [Belle Collaboation]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    We report improved measurements of time-dependent CP violation parameters for B0 (B0) → (2S)K0S . This analysis is based on a data sample of 657×106 BB pairs collected at the γ(4S) res- onance with the Belle detector at the KEKB energy-asymmetric e+e- collider. We fully reconstruct one neutral B meson in the (2S)K0 S CP-eigenstate decay channel, and the flavor of the accompa- nying B meson is identified to be either B0 or B0 from its decay products. CP violation parameters are obtained from the asymmetries in the distributions of the proper-time intervals between the two B decays: S (2S)K0 S = +0.72 ± 0.09(stat) ± 0.03(syst), A (2S)K0S = +0.04 ± 0.07(stat) ± 0.05(syst). These results are in agreement with results from measurements of B0 → J/ ψ K0.

  • Measurements of CP violation parameters in B0 → K 0<inf>S</inf> π0π0 and B0 → K0<inf>S</inf> K0<inf>S</inf> decays Reviewed

    K. Abe, et. al. [Belle Collaboation]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    We present a measurement of the CP violation parameters in B0 → K0 S π0π0 and B0 → K0S K0S decays using a data sample containing 657 ×106 BB pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider operating at the γ(4S) resonance. We measure SK0 Sπ0π0 = +0.43 ± 0.49 ± 0.09, AK0 Sπ0π0 = -0.17 ± 0.24 ± 0.06, SK0 SK0 S = -0.38 ± 0.77 ± 0.08 and, AK0 SK0S = -0.38 ± 0.38 ± 0.05, where the first and second errors are statistical and systematic, respectively.

  • Measurement of the inclusive B0<inf>s</inf>→ X+ℓ-ν semileptonic decay branching fraction Reviewed

    K. Abe, et. al. [Belle Collaboration]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    Inclusive semileptonic B0s → X+ℓ-ν decays are studied for the first time using a 23.6 fb-1 data sample collected on the (5S) resonance with the Belle detector at the KEKB asym-metric energy e +e- collider. These decays are identified by the means of a lepton accompa- nied by a same-sign D+s meson originating from the other B0s in the event. The semileptonic branching fractions are measured in the electron and muon channels to be B(B0 s → X+e -ν) =(10.9 ± 1.0 ± 0.9)% and B(B0s → X+μ-ν) = (9.2 ± 1.0 ± 0.8)%, respectively. Assuming an equalelectron and muon production rate in B 0s decays, a combined fit yields an average leptonic branch- ing fraction B(B0s → X+ℓ-ν) = (10.2 ± 0.8 ± 0.9)%.

  • Search for lepton flavor violating τ → ℓv 0 decays at Belle Reviewed

    K. Abe, et. al. [Belle Collaboation]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    Publishing type:Research paper (international conference proceedings)  

    We have searched for neutrinoless τ lepton decays into ℓ and V 0, where ℓ stands for an electron or muon, and V 0 for a vector meson (φ, ω, K*0 or ̄K*0), using 543 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No excess of signal events over the expected background is observed, and we set upper limits on the branching fractions in the range (0.7- 1.8) ×10-7 at the 90% confidence level. These upper limits include the first results for ℓω as well as new limits that are 3.6 - 9.6 times more restrictive than our previous results for ℓφ, ℓKπ and ℓ ̄K *0.

  • Search for lepton flavor violating τ decays into three leptons Reviewed

    K. Abe, et. al. [Belle Collaboation]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    Publishing type:Research paper (international conference proceedings)  

    We search for lepton-flavor-violating τ decays into three leptons (electron or muon) using 535 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No evidence for these decays is observed and we set 90% confidence level upper limits on the branching fractions between 2.0 × 10-8 and 4.1 × 10 -8. These results improve the best previously published upper limits by factors from 4.9 to 7.0.

  • Search for B̄0 → Λ +<inf>c</inf>Λ ̄̄<inf>c</inf>decay at Belle Reviewed

    K. Abe, et. al. [Belle Collaboation]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    We search for the doubly charmed baryonic decay B̄0 → Λ +cΛ ̄̄cin a data sample of 520 × 106 B ̄B events accumulated at the γ(4S) resonance with the Belle detector at the KEKB asymmetricenergy e+e- collider. We find no significant signal and set an upper limit of B B̄0 → Λ +cΛ ̄̄c) 6.2 × 10-5 at 90% confidence level. The result is significantly below a naive extrapolation fromB(B̄→ Ε0c̄ Λc ) assuming a simple Cabibbo-suppression factor of |Vcd/Vcs|2. The small branching fraction could be attributed to a suppression due to the large momentum of the baryonic decay products, which has been observed in other charmed baryonic two-body B decays.

  • Search for B0 → ρ0ρ0 and non-resonant B0 → 4π Reviewed

    K. Abe, et. al. [Belle Collaboation]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    We search for the decay B0 → ρ0ρ0 and other possible charmless modes with a π+ π- π+ π- final state, including B0 → ρ0f0(980), B0 → f0(980)f0(980), B0 → f0(980)π π, B0 → ρ0π π and non-resonant B0 → 4π. These results are obtained from a data sample containing 520 × 106 BB pairs collected by the Belle detector at the KEKB asymmetric-energy e+e- collider. We measure a branching fraction of (0.9 ± 0.4+0.3 -0.4) × 10-6, or B(B 0 → ρ0ρ0) < 1.6 × 10-6 at the 90% confidence level. The significance including systematic uncertainties is 1.8σ. These values correspond to the final state being longitudinally polarized. We also measure the branching fraction of non-resonant B0 → 4π decay to be (10.2 ± 4.7+2.3 -1.5) × 10-6 with 2.1σ significance, and set the 90% confidence level upper limit B(B0 → 4π) < 17.3 × 10-6. For the other related decays, B0 → ρ0f0(980), B0 → f0(980)f0(980), B0 → f0(980)ρ and B0 → ρ0π π, no significant signals are observed and upper limits on the branching fractions are set.

  • Production of new charmonium-like states in e+e -→J/Ψ D(-*)D(-*) at √s ≈ 10.6GeV Reviewed

    I. Adachi, et. al. [Belle Collaboation]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    We present a study of the X(3940) state in the process e+e - → J/ Ψ D*)D. The X(3940) mass and width are measured to be (3942 +7-6±6)MeV/c2 and F = (37 +26 -15 ±8)MeV. In the process e+e- → J/ Ψ D*) +D*)- we have observed another charmonium-like state, which we denote as X(4160), in the spectrum of invariant masses of D*) +D*)- combinations. The X(4160) parameters are M =(4156 +25-20±15)MeV/c2 and F = (139 +111- 61±21)MeV. The analysis is based on a data sample with an integrated luminosity of 693 fb-1 recorded near the γ(4S) resonance with the Belle detector at the KEKB e +e- asymmetric-energy collider.

  • Precise measurement of hadronic τ-decays in modes with η mesons Reviewed

    K. Abe, et. al. [Belle Collaboration]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    Publishing type:Research paper (scientific journal)  

    We have measured branching fractions of hadronic τdecays involving an η meson using 485 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We obtain the following branching fractions: B(τ - → K-ην) = (1.62 ± 0.05 ± 0.09) × 10-4, B(τ - → K-η0π=ηντ ) = (4.7 ± 1.1 ± 0.4) × 10-5, B(τ - → π-π0ηντ ) = (1.39 ± 0.03 ± 0.07) × 10-3, and B(τ - → K-ην7tau; ) = (1.13 ±0.19 ± 0.07) ×10-4 improving the accuracy compared to the best previous measurements by factors of six, eight, four and four, respectively.

  • Observation of Ψ (4415) → DD*<inf>2</inf> (2460) decay using initial-state radiation Reviewed

    G. Pakhlova, et. al. [Belle Collaboation]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    We report measurements of the exclusive cross section for e +e- → D0D-*+ over the centerof- mass energy range 4.0, GeV to 5.0GeV with initial-state radiation and the first observation of the decay (4415) → D0D-*+. From a study of the resonant substructure inΨ (4415) decay we conclude that the (4415) → D0D-π+ decay is dominated by (4415) → DD- * (2460). We obtain B( (4415) → D0D-*+ non-resonant)/B( (4415) → DD-* 2(2460) → D0D-π+) < 0.22 at 90% C.L. The analysis is based on a data sample collected with the Belle detector with an integrated luminosity of 673 fb-1.

  • Measurement of B+ → D+ ̄d0 branching fraction and charge asymmetry and search for B0 → ̄d 0D 0 Reviewed

    K. Abe, et. al. [Belle Collaboation]

    23rd International Symposium on Lepton-Photon Interactions at High Energy, LP 2007   2007.12

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    We report an improved measurement of the B+ → D+ ̄D0 and B0 → D0 ̄D0 decays based on 656.7 × 106 B ̄B events collected with the Belle detector at KEKB. We measure the branching fraction and charge asymmetry for the B+ → D+ ̄D0 decay: B(B+ → D+ ̄D0) = (3.85±0.31±0.38) × 10-4 and ACP (B+ → D+ ̄D0) = 0.00±0. 08±0.02, where the first error is statistical and the second is systematical. We also set the upper limit for the B0 → ̄D 0D0 decay: B(B0 → ̄D0D0) < 0.42×10-4 at 90% CL.

  • Search for B -> h((*))nu(nu)over-bar decays at Belle Reviewed

    Chen K. -F., Adachi I., Aihara H., Aulchenko V., Aushev T., Bahinipati S., Bakich A. M., Balagura V., Barberio E., Bay A., Belous K., Bitenc U., Bondar A., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chang M. -C., Chang P., Chao Y., Chen A., Cheon B. G., Chiang C. -C., Cho I. -S., Choi Y., Choi Y. K., Cole S., Danilov M., Dash M., Drutskoy A., Eidelman S., Fratina S., Gabyshev N., Golob B., Ha H., Haba J., Hara T., Hayasaka K., Hazumi M., Heffernan D., Hokuue T., Hoshi Y., Hou W. -S., Hsiung Y. B., Hyun H. J., Iijima T., Ikado K., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Joshi N. J., Kajiwara S., Kang J. H., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lee J. S., Lee S. E., Lesiak T., Lin S. -W., Liu Y., Liventsev D., Mandl F., Marlow D., Matyja A., McOnie S., Medvedeva T., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Nagasaka Y., Nakamura I., Nakao M., Nishida S., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Ozaki H., Pakhlov P., Pakhlova G., Park H., Park K. S., Pestotnik R., Piilonen L. E., Sakai Y., Schneider O., Schuemann J., Schwanda C., Schwartz A. J., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shen C. P., Shibuya H., Shinomiya S., Shiu J. -G., Shwartz B., Singh J. B., Sokolov A., Somov A., Stanic S., Staric M., Sumisawa K., Sumiyoshi T., Tajima O., Takasaki F., Tamura N., Tanaka M., Taylor G. N., Teramoto Y., Tikhomirov I., Trabelsi K., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Varvell K. E., Vervink K., Villa S., Vinokurova A., Wang C. C., Wang C. H., Wang M. -Z., Wang P., Watanabe Y., Wedd R., Won E., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang C. C., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW LETTERS   99 ( 22 )   2007.11( ISSN:0031-9007

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevLett.99.221802

  • Search for the CP-Violating Decays Upsilon(4S)->(BB0)-B-0 -> J/psi K-S(0)+J/psi(eta(c))K-S(0) Reviewed

    Tajima O., Hazumi M., Adachi I., Aihara H., Aulchenko V., Aushev T., Bakich A. M., Barberio E., Bay A., Bedny I., Bhardwaj V., Bitenc U., Bozek A., Bracko M., Browder T. E., Chang M. -C., Chang P., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Chiang C. -C., Chistov R., Cho I. -S., Choi Y., Choi Y. K., Dalseno J., Danilov M., Dash M., Drutskoy A., Eidelman S., Epifanov D., Go A., Gokhroo G., Golob B., Haba J., Hayasaka K., Hayashii H., Heffernan D., Hokuue T., Hoshi Y., Hou W. -S., Hsiung Y. B., Hyun H. J., Iijima T., Ikado K., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Joshi N. J., Kah D. H., Kaji H., Kang J. H., Kataoka S. U., Kawai H., Kawasaki T., Kichimi H., Kim H. J., Kim H. O., Kim S. K., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kwon Y. -J., Lange J. S., Lee J. S., Lee M. J., Lee S. E., Lesiak T., Li J., Lin S. -W., Liventsev D., Mandl F., Marlow D., McOnie S., Medvedeva T., Mitaroff W., Miyabayashi K., Miyake H., Miyata H., Mizuk R., Mohapatra D., Nagasaka Y., Nakano E., Nakao M., Nishida S., Nitoh O., Noguchi S., Nozaki T., Ogawa S., Ohshima T., Okuno S., Ozaki H., Pakhlov P., Pakhlova G., Park C. W., Park H., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Schneider O., Sekiya A., Senyo K., Sevior M. E., Shapkin M., Shen C. P., Shibuya H., Shiu J. -G., Shwartz B., Singh J. B., Sokolov A., Somov A., Stanic S., Staric M., Sumisawa K., Sumiyoshi T., Takasaki F., Tanaka M., Taylor G. N., Teramoto Y., Trabelsi K., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Varvell K. E., Vervink K., Villa S., Vinokurova A., Wang C. C., Wang C. H., Wang M. -Z., Wang P., Watanabe Y., Wedd R., Won E., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Yuan C. Z., Yusa Y., Zhang C. C., Zhang Z. P., Zhilich V., Zhulanov V., Zupanc A.

    PHYSICAL REVIEW LETTERS   99 ( 21 )   2007.11( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.99.211601

  • Measurements of time-dependent CP violation in B-0 ->omega K-S(0), f(0)(980)K-S(0), K-S(0)pi(0) and (K+K-KS0) decays Reviewed

    Chao Y., Chen K. -F., Miyake H., Tajima O., Trabelsi K., Abe K., Abe K., Adachi I., Aihara H., Anipko D., Bakich A. M., Barberio E., Bitenc U., Bizjak I., Blyth S., Bondar A., Bracko M., Browder T. E., Chang M. -C., Chang P., Chen A., Chen W. T., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Cole S., Dalseno J., Danilov M., Dash M., Dragic J., Drutskoy A., Eidelman S., Fratina S., Gabyshev N., Golob B., Ha H., Haba J., Hara K., Hara T., Hastings N. C., Hayashii H., Hazumi M., Heffernan D., Higuchi T., Hokuue T., Hoshi Y., Hou W. -S., Hsiung Y. B., Iijima T., Ikado K., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kaji H., Kang J. H., Kapusta P., Kawai H., Kawasaki T., Kim H. J., Kim H. O., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kulasiri R., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lee M. J., Lesiak T., Limosani A., Lin S. -W., Liventsev D., Matsumoto T., McOnie S., Miyabayashi K., Miyata H., Miyazaki Y., Mizuk R., Mohapatra D., Moloney G. R., Nakahama Y., Nakano E., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Park C. W., Pestotnik R., Piilonen L. E., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schwartz A. J., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Singh J. B., Somov A., Soni N., Stanic S., Staric M., Stoeck H., Sumisawa K., Sumiyoshi T., Suzuki S., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Tsukamoto T., Uehara S., Ueno K., Unno Y., Uno S., Ushiroda Y., Usov Y., Varner G., Varvell K. E., Villa S., Vinokurova A., Wang C. H., Watanabe Y., Won E., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Yusa Y., Zhilich V., Zhulanov V., Zupanc A.

    PHYSICAL REVIEW D   76 ( 9 )   2007.11( ISSN:2470-0010

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.76.091103

  • Measurement of branching fraction and time-dependent CP asymmetry parameters in B-0 ->(D*+D*-KS0) decays Reviewed

    Dalseno J., Adachi I., Aihara H., Aushev T., Bakich A. M., Balagura V., Bay A., Bitenc U., Bizjak I., Bozek A., Bracko M., Browder T. E., Chao Y., Chen A., Cheon B. G., Chistov R., Cho I. -S., Choi Y., Choi Y. K., Danilov M., Dash M., Drutskoy A., Eidelman S., Go A., Ha H., Hayasaka K., Hazumi M., Heffernan D., Hokuue T., Hyun H. J., Inami K., Ishikawa A., Ishino H., Iwasaki M., Iwasaki Y., Joshi N. J., Kah D. H., Kang J. H., Kapusta P., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim H. J., Kim Y. J., Kinoshita K., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lee J. S., Lee S. E., Lesiak T., Li J., Limosani A., Lin S. -W., Liventsev D., Mandl F., Matsumoto T., McOnie S., Medvedeva T., Mitaroff W., Miyake H., Miyata H., Moloney G. R., Nakano E., Nakao M., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Onuki Y., Ostrowicz W., Ozaki H., Pakhlov P., Pakhlova G., Park C. W., Park H., Park K. S., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Schneider O., Schuemann J., Seidl R., Sekiya A., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Singh J. B., Sokolov A., Somov A., Stanic S., Staric M., Stoeck H., Sumisawa K., Sumiyoshi T., Takasaki F., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tsukamoto T., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Urquijo P., Varner G., Villa S., Vinokurova A., Wang C. C., Wang C. H., Watanabe Y., Wedd R., Won E., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW D   76 ( 7 )   2007.10( ISSN:1550-7998

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.76.072004

  • Study of τ- → K<inf>S</inf> π- ν<inf>τ</inf> decay at Belle Reviewed

    D. Epifanov, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   654 ( 3-4 )   65 - 73   2007.10( ISSN:03702693

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    We present a study of the decay τ- → KS π- ντ using a 351  fb-1 data sample collected with the Belle detector. The analysis is based on 53, 110 lepton-tagged signal events. The measured branching fraction B (τ- → KS π- ντ) = (0.404 ± 0.002 (stat .) ± 0.013 (syst .)) % is consistent with the world average value and has better accuracy. An analysis of the KS π- invariant mass spectrum reveals contributions from the K* (892)- as well as other states. For the first time the K* (892)- mass and width have been measured in τ decay: M (K* (892)-) = (895.47 ± 0.20 (stat .) ± 0.44 (syst .) ± 0.59 (mod .))   MeV / c2, Γ (K* (892)-) = (46.2 ± 0.6 (stat .) ± 1.0 (syst .) ± 0.7 (mod .))   MeV. The K* (892)- mass is significantly different from the current world average value. © 2007 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2007.08.045

  • Measurement of Einstein-Podolsky-Rosen-type flavor entanglement in Υ(4S)→B0B̄0 decays Reviewed

    A. Go, A. Bay, et. al. [Belle Collaboation]

    Physical Review Letters   99 ( 13 )   2007.09( ISSN:00319007

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    The neutral B meson pair produced at the Υ(4S) should exhibit a nonlocal correlation of the type discussed by Einstein, Podolsky, and Rosen. We measure this correlation using the time-dependent flavor asymmetry of semileptonic B0 decays, which we compare with predictions from quantum mechanics and two local realistic models. The data are consistent with quantum mechanics, and inconsistent with the other models. Assuming that some B pairs disentangle to produce B0 and B̄0 with definite flavor, we find a decoherent fraction of 0.029±0.057, consistent with no decoherence. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevLett.99.131802

  • Measurement of D0-D̄0 mixing parameters in D0→Ksπ+π- decays Reviewed

    L. M. Zhang, Z. P. Zhang, et. al. [Belle Collaboation]

    Physical Review Letters   99 ( 13 )   2007.09( ISSN:00319007

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    We report a measurement of D0-D̄0 mixing parameters in D0→KS0π+π- decays using a time-dependent Dalitz-plot analysis. We first assume CP conservation and subsequently allow for CP violation. The results are based on 540fb-1 of data accumulated with the Belle detector at the KEKB e+e- collider. Assuming negligible CP violation, we measure the mixing parameters x=(0.80±0.29-0.07-0.14+0.09+0.10)% and y=(0.33±0.24-0. 12-0.08+0.08+0.06)%, where the errors are statistical, experimental systematic, and systematic due to the Dalitz decay model, respectively. Allowing for CP violation, we obtain the CP-violating parameters |q/p|=0.86-0.29-0.03+0.30+0. 06±0.08 and arg (q/p)=(-14-18-3-4+16+5+2)°. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevLett.99.131803

  • Observation of the decay B̄0→Ds+Λp̄ Reviewed

    T. Medvedeva, R. Chistov, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   76 ( 5 )   2007.09( ISSN:15507998

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    Publishing type:Research paper (scientific journal)  

    We report the first observation of the decay B̄0→Ds+Λ p̄ with a statistical significance of 6.6σ. We measure B(B̄0→Ds+Λp̄)=(2.9±0.7±0.5±0.4) ×10-5, where the first error is statistical, the second is systematic, and the third error comes from the uncertainty in B(Ds+→π+). The data used for this analysis was accumulated at the Υ(4S) resonance, using the Belle detector at the KEKB asymmetric-energy e+e- collider. The integrated luminosity of the data sample is 414fb-1, corresponding to 449×106 BB̄ pairs. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevD.76.051102

  • Measurements of branching fractions for bâ†KÏ€ and Bâ†Ï€Ï€ decays Reviewed

    S. W. Lin, P. Chang, et. al. [Belle Collaboation]

    Physical Review Letters   99 ( 12 )   2007.09( ISSN:00319007

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    We report measurements of branching fractions for Bâ†KÏ € and Bâ†Ï€Ï€ decays based on a data sample of 449Ã-106 BB pairs collected at the Î¥(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We also measure the ratios of partial widths for Bâ†KÏ€ decays, namely Rcâ‰2Î"(B+â†K+Ï€0) /Î"(B+↠K0Ï€+)=1.08±0. 06±0.08 and Rnâ‰Î"(B0↠K+Ï€-)/2Î"(B0↠K0Ï€0)=1. 08±0.08±0.08, where the first and the second errors are statistical and systematic, respectively. These ratios are sensitive to enhanced electroweak penguin contributions from new physics; the new measurements are, however, consistent with standard model expectations. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevLett.99.121601

  • Study of B+→pΛ̄γ, pΛ̄π0 and B0→pΛ̄π- Reviewed

    M. Z. Wang, Y. J. Lee, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   76 ( 5 )   2007.09( ISSN:15507998

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    We study the following charmless baryonic three-body decays of B mesons: B+→pΛ̄γ, B+→pΛ̄π0, and B0→pΛ̄π-. The partial branching fractions as a function of the baryon-antibaryon mass and the polar angle distributions of the proton in the baryon-antibaryon system are presented. This study includes the first observation of B+→pΛ̄π0, which is measured to have a branching fraction of (3.00-0.53+0.61±0.33)×10-6. We also set upper limits on branching fractions of the two-body decays B0→pΣ̄ *-, B0→Δ0Λ̄, B+→pΣ̄*0, and B+→Δ+Λ̄ at the 90% confidence level. These results are obtained from a 414fb-1 data sample collected near the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevD.76.052004

  • Large-aperture hybrid photo-detector Reviewed

    Y. Kawai, H. Nakayama, A. Kusaka, H. Kakuno, T. Abe, M. Iwasaki, H. Aihara, M. Tanaka, M. Shiozawa, H. Kyushima, M. Suyama

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   579   42 - 45   2007.08( ISSN:01689002

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    We have developed the first complete large-aperture (13-inch diameter) hybrid photo-detector (HPD). The withstanding voltage problem has been overcome and we were able to attain an HPD operating voltage of +20 kV. Adoption of our newly developed backside illumination avalanche diode (AD) was also critical in successfully countering the additional problem of an increase in AD leakage after the activation process. We observed single photon signal timing jitter of under 450 ps in FWHM, electron transit time of ∼12 ns, and clear pulse height separation up to several photoelectron peaks, all greatly superior to the performance of any conventional large-aperture photomultiplier tubes (PMTs). In addition, our HPD has a much simpler structure than conventional large-aperture PMTs, which simplifies mass production and lowers manufacturing cost. We believe that these attributes position our HPD as the most suitable photo-detector for the next generation mega-ton class water-Cherenkov detector, which is expected to be more than 20× larger than the Super-Kamiokande (SK) detector. © 2007 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.nima.2007.04.010

  • A study of gamma gamma ->(KSKS0)-K-0 production at energies from 2.4 to 4.0 GeV at Belle - Belle collaboration Reviewed

    Chen W. T., Abe K., Abe K., Adachi I., Aihara H., Anipko D., Aulchenko V., Bakich A. M., Barberio E., Bay A., Bedny I., Bitenc U., Bizjak I., Blyth S., Bondar A., Bozek A., Bracko M., Browder T. E., Chang M.-C., Chang P., Chao Y., Chen A., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Dalseno J., Dash M., Drutskoy A., Eidelman S., Epifanov D., Go A., Ha H., Hazumi M., Heffernan D., Higuchi T., Hokuue T., Hoshi Y., Hou W.-S., Iijima T., Imoto A., Inami K., Ishikawa A., Itoh R., Iwasaki M., Kaji H., Kang J. H., Kapusta P., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim H. O., Kim Y. J., Korpar S., Krizan P., Krokovny P., Kulasiri R., Kumar R., Kuo C. C., Kuzmin A., Kwon Y.-J., Lee S. E., Lesiak T., Lin S.-W., Liventsev D., Majumder G., Mandl F., Matsumoto T., Matyja A., McOnie S., Medvedeva T., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Mori T., Nakano E., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Nozaki T., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Palka H., Park C. W., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schuemann J., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shwartz B., Singh J. B., Sokolov A., Somov A., Soni N., Stanic S., Staric M., Stoeck H., Suzuki S. Y., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Tsukamoto T., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Usov Y., Varner G., Vervink K., Villa S., Wang C. C., Wang C. H., Wang M.-Z., Watanabe Y., Won E., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang C. C., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICS LETTERS B   651 ( 1 )   15 - 21   2007.07( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2007.05.059

  • High Statistics Measurement of the Cross Sections of γγ→π+π-Production Reviewed

    Mori T., Uehara S., Watanabe Y., Abe K., Adachi I., Aihara H., Arinstein K., Aulchenko V., Aushev T., M. Bakich A., Balagura V., Barberio E., Bay A., Belous K., Bitenc U., Bizjak I., Blyth S., Bondar A., E. Browder T., Chang M.-C., Chen A., T. Chen W., G. Cheon B., Cho I.-S., Choi S.-K., Choi Y., Dalseno J., Dash M., Drutskoy A., Eidelman S., Fratina S., Gabyshev N., Golob B., Ha H., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hokuue T., Hoshi Y., Hou W.-S., Iijima T., Ikado K., Imoto A., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Kaji H., H. Kang J., Kapusta P., Katayama N., Kawasaki T., Kichimi H., O. Kim H., K. Kim S., J. Kim Y., Korpar S., Krokovny P., Kumar R., C. Kuo C., Kuzmin A., Kwon Y.-J., J. Lee M., E. Lee S., Lesiak T., Li J., Limosani A., Lin S.-W., Liventsev D., MacNaughton J., Mandl F., Matsumoto T., Matyja A., McOnie S., Medvedeva T., Miyake H., Miyata H., Miyazaki Y., Mizuk R., R. Moloney G., Nagasaka Y., Nakano E., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Noguchi S., Ohshima T., Okuno S., L. Olsen S., Ono S., Onuki Y., Ostrowicz W., Ozaki H., Pakhlov P., Pakhlova G., W. Park C., Park H., S. Park K., Pestotnik R., E. Piilonen L., Poluektov A., Sahoo H., Sakai Y., Satoyama N., Schneider O., Senyo K., E. Sevior M., Shapkin M., P. Shen C., Shibuya H., Shwartz B., B. Singh J., Sokolov A., Somov A., Soni N., Stoeck H., Sumiyoshi T., Y. Suzuki S., Takasaki F., Tamai K., Tanaka M., N. Taylor G., Teramoto Y., C. Tian X., Tikhomirov I., Tsuboyama T., Tsukamoto T., Ueno K., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Vervink K., Villa S., Vinokurova A., H. Wang C., Wang P., Won E., L. Xie Q., D. Yabsley B., Yamaguchi A., Yamashita Y., C. Zhang C., P. Zhang Z., Zhilich V., Zhulanov V., Zupanc A.

    Physical Society of Japan, Journal of the Physical Society of Japan   76 ( 7 )   74102 - 74102   2007.07( ISSN:0031-9015

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    CiNii Article

  • High Statistics Measurement of the Cross Sections of γγ→π^+π^- Production Reviewed

    Mori T., Uehara S., Watanabe Y., ABE K., ADACHI I., AIHARA H., ARINSTEIN K., AULCHENKO V., AUSHEV T., BAKICH A. M., BALAGURA V., BARBERIO E., BAY A., BELOUS K., BITENC U., BIZJAK I., BLYTH S., BONDAR A., BRACKO M., BROWDER T. E., CHANG M.-C., CHEN A., CHEN W. T., CHEON B. G., CHO I.-S., CHOI S.-K., CHOI Y., DALSENO J., DASH M., DRUTSKOY A., EIDELMAN S., FRATINA S., GABYSHEV N., GOLOB B., HA H., HAYASAKA K., HAYASHII H., HAZUMI M., HEFFERNAN D., HOKUUE T., HOSHI Y., HOU W.-S., IIJIMA T., IKADO K., IMOTO A., INAMI K., ISHIKAWA A., ITOH R., IWASAKI M., IWASAKI Y., KAJI H., KANG J. H., KAPUSTA P., KATAYAMA N., KAWASAKI T., KICHIMI H., KIM H. O., KIM S. K., KIM Y. J., KORPAR S., KRIZAN P., KROKOVNY P., KUMAR R., KUO C. C., KUZMIN A., KWON Y.-J., LEE M. J., LEE S. E., LESIAK T., LI J., LIMOSANI A., LIN S.-W., LIVENTSEV D., MACNAUGHTON J., MANDL F., MATSUMOTO T., MATYJA A., MCONIE S., MEDVEDEVA T., MIYAKE H., MIYATA H., MIYAZAKI Y., MIZUK R., MOLONEY G. R., NAGASAKA Y., NAKANO E., NAKAO M., NAKAZAWA H., NATKANIEC Z., NISHIDA S., NITOH O., NOGUCHI S., OHSHIMA T., OKUNO S., OLSEN S. L., ONO S., ONUKI Y., OSTROWICZ W., OZAKI H., PAKHLOV P., PAKHLOVA G., PARK C. W., PARK H., PARK K. S., PESTOTNIK R., PIILONEN L. E., POLUEKTOV A., SAHOO H., SAKAI Y., SATOYAMA N., SCHNEIDER O., SCHUMANN J., SENYO K., SEVIOR M. E., SHAPKIN M., SHEN C. P., SHIBUYA H., SHWARTZ B., SINGH J. B., SOKOLOV A., SOMOV A., SONI N., STANIC S., STARIC M., STOECK H., SUMIYOSHI T., SUZUKI S. Y., TAKASAKI F., TAMAI K., TANAKA M., TAYLOR G. N., TERAMOTO Y., TIAN X. C., TIKHOMIROV I., TSUBOYAMA T., TSUKAMOTO T., UENO K., UGLOV T., UNNO Y., UNO S., URQUIJO P., USOV Y., VARNER G., VERVINK K., VILLA S., VINOKUROVA A., WANG C. H., WANG P., WON E., XIE Q. L., YABSLEY B. D., YAMAGUCHI A., YAMASHITA Y., ZHANG C. C., ZHANG Z. P., ZHILICH V., ZHULANOV V., ZUPANC A.

    一般社団法人日本物理学会 Journal of the Physical Society of Japan   76 ( 7 )   "74102 - 1"-"74102-11"   2007.07( ISSN:00319015

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    We report on a high statistics measurement of the total and differential cross sections of the process γγ→π^+π^- in theπ^+π^- invariant mass range 0.8GeV/c^2<W<1.5GeV/c^2 with 85.9fb^<-1> of data collected at √<s>=10.58GeV and 10.52GeV with the Belle detector. A clear signal of the f_0(980) resonance is observed in addition to the f_2(1270) resonance. An improved 90% confidence level upper limit B(η'(958)→π^+π^-)<2.9×10^<-3> is obtained for P- and CP-violating decay of the η'(958) meson using the most conservative assumption about the interference with the background.

    CiNii Article

  • Measurements of exclusive B-s(0) decays at the Upsilon(5S) resonance Reviewed

    Drutskoy A., Abe K., Adachi I., Aihara H., Anipko D., Bakich A. M., Barberio E., Bedny I., Bitenc U., Bizjak I., Blyth S., Bondar A., Bracko M., Browder T. E., Chang M.-C., Chang P., Chao Y., Chen A., Chen K.-F., Chen W. T., Cheon B. G., Chistov R., Choi Y., Dalseno J., Danilov M., Dash M., Dragic J., Eidelman S., Fratina S., Gabyshev N., Golob B., Ha H., Haba J., Hara T., Hayashii H., Hazumi M., Heffernan D., Hoshi Y., Hou W.-S., Hsiung Y. B., Ikado K., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kang J. H., Kapusta P., Kawai H., Kawasaki T., Kim H. J., Kim H. O., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kulasiri R., Kumar R., Kuo C. C., Kuzmin A., Kwon Y.-J., Lee M. J., Limosani A., Lin S.-W., Liventsev D., MacNaughton J., Majumder G., Matsumoto T., McOnie S., Mitaroff W., Miyabayashi K., Miyata H., Miyazaki Y., Moloney G. R., Nakano E., Nakao M., Natkaniec Z., Nishida S., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Pestotnik R., Piilonen L. E., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schuemann J., Schwartz A. J., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Singh J. B., Somov A., Soni N., Stanic S., Staric M., Stoeck H., Sumisawa K., Sumiyoshi T., Suzuki S., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Uehara S., Ueno K., Unno Y., Uno S., Ushiroda Y., Usov Y., Varner G., Villa S., Vinokurova A., Wang C. H., Watanabe Y., Wicht J., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhilich V., Zhulanov V., Zupanc A.

    PHYSICAL REVIEW D   76 ( 1 )   2007.07( ISSN:1550-7998

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    DOI: 10.1103/PhysRevD.76.012002

  • Improved measurement of CP-violating parameters in B→ρ+ρ- decays Reviewed

    A. Somov, A. J. Schwartz, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   76 ( 1 )   2007.07( ISSN:15507998

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    We present a measurement of the CP-violating asymmetry in B0→ρ+ρ- decays using 535×106 BB̄ pairs collected with the Belle detector at the KEKB e+e- collider. We measure CP-violating coefficients A=0.16±0.21(stat)±0.08(syst) and S=0.19±0. 30(stat)±0.08(syst). These values are used to determine the unitarity triangle angle 2 using an isospin analysis; the solution consistent with the standard model lies in the range 54°< 2<113° at the 90% confidence level. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevD.76.011104

  • High statistics measurement of the cross sections of γγ → π +π - production Reviewed

    T. Mori, S. Uehara, Y. Watanabe, et. al. [Belle Collaboation]

    Journal of the Physical Society of Japan   76 ( 7 )   74102 - 74102   2007.07( ISSN:00319015

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    Publishing type:Research paper (scientific journal)  

    We report on a high statistics measurement of the total and differential cross sections of the process γγ → π +π - in the π +π - invariant mass range 0.8 GeV/c 2 < W < 1.5 GeV/c 2 with 85.9 fb -1 of data collected at √s = 10.58 GeV and 10.52 GeV with the Belle detector. A clear signal of the f 0(980) resonance is observed in addition to the f 2(1270) resonance. An improved 90% confidence level upper limit ℬ(η′(958) → π +π - < 2.9 × 10 -3 is obtained for P- and CP-violating decay of the η′(958) meson using the most conservative assumption about the interference with the background. ©2007 The Physical Society of Japan.

    DOI: 10.1143/JPSJ.76.074102

    CiNii Article

  • Measurement of the τ lepton mass and an upper limit on the mass difference between τ+ and τ- Reviewed

    K. Belous, M. Shapkin, A. Sokolov, et. al. [Belle Collaboation]

    Physical Review Letters   99 ( 1 )   2007.07( ISSN:00319007

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    The mass of the τ lepton has been measured in the decay mode τ→3πντ using a pseudomass technique. The result obtained from 414fb-1 of data collected with the Belle detector is Mτ=[1776.61±0. 13(stat)±0.35(sys)]MeV/c2. The upper limit on the relative mass difference between positive and negative τ leptons is |Mτ+-Mτ-|/ Mτ<2.8×10-4 at 90% confidence level. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevLett.99.011801

  • Study of B̄0→D0π+π- decays Reviewed

    A. Kuzmin, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   76 ( 1 )   2007.07( ISSN:15507998

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    We report the results of a study of neutral B meson decays to the D0π+π- final state, where the D0 is fully reconstructed. The results are obtained from an event sample containing 388×106 BB̄-meson pairs collected in the Belle experiment at the KEKB e+e- collider. The total branching fraction of the three-body decay B(B̄0→D0π+π-)=(8.4±0. 4(stat)±0.8(syst))×10-4 has been measured. The intermediate resonant structure of these three-body decays has been studied. From a Dalitz plot analysis we have obtained the product of the branching fractions for D2*+ and D0*+ production: B(B̄0→D2*+π-) ×B(D2*+→D0π+)=(2.15±0.17(stat)±0.29(syst) ±0.12(mod))×10-4, and B(B̄0→D0*+π-) ×B(D0*+→D0π+)=(0.60±0.13(stat)±0.15(syst) ±0.22(mod))×10-4. This is the first observation of the B̄0→D0*+π- decay. The B̄0→D0ρ0 and D0f2 branching fractions are measured to be: B(B̄0→D0ρ0)=(3. 19±0.20(stat)±0.24(syst)±0.38(mod))×10-4, and B(B̄0→D0f2)=(1.20±0.18(stat)±0.21(syst)±0.32(mod) )×10-4. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevD.76.012006

  • Experimental constraints on the spin and parity of the Lambda(c)(2880)(+) Reviewed

    Mizuk R., Abe K., Adachi I., Aihara H., Anipko D., Aulchenko V., Aushev T., Bakich A. M., Balagura V., Barberio E., Bay A., Bedny I., Belous K., Bitenc U., Bizjak I., Blyth S., Bondar A., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chang M.-C., Chen A., Chen K.-F., Chen W. T., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Cole S., Dalseno J., Danilov M., Drutskoy A., Eidelman S., Epifanov D., Fratina S., Gabyshev N., Garmash A., Gershon T., Gokhroo G., Golob B., Ha H., Haba J., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hokuue T., Hoshi Y., Hou S., Hou W.-S., Iijima T., Ikado K., Imoto A., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Kaji H., Kang J. H., Kapusta P., Katayama N., Khan H. R., Kichimi H., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kulasiri R., Kumar R., Kuo C. C., Kuzmin A., Kwon Y.-J., Leder G., Lee J., Lee M. J., Lee S. E., Lesiak T., Lin S.-W., Liventsev D., Majumder G., Mandl F., Matsumoto T., Matyja A., McOnie S., Miyake H., Miyata H., Miyazaki Y., Nakao M., Natkaniec Z., Nishida S., Ogawa S., Ohshima T., Okuno S., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Park H., Park K. S., Peak L. S., Pestotnik R., Piilonen L. E., Sakai Y., Satoyama N., Schneider O., Schuemann J., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Singh J. B., Somov A., Soni N., Stanic S., Staric M., Stoeck H., Suzuki S. Y., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Tsuboyama T., Tsukamoto T., Uehara S., Uglov T., Ueno K., Uno S., Urquijo P., Usov Y., Varner G., Villa S., Wang C. H., Watanabe Y., Won E., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Yuan C. Z., Zhang L. M., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW LETTERS   98 ( 26 )   2007.06( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.98.262001

  • Evidence for CP violation in B-0 -> D+D- decays Reviewed

    Fratina S., Abe K., Abe K., Adachi I., Aihara H., Anipko D., Arinstein K., Aushev T., Bakich A. M., Barberio E., Bay A., Belous K., Bitenc U., Bizjak I., Bondar A., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chang M.-C., Chang P., Chao Y., Chen A., Chen K.-F., Chen W. T., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Cole S., Dalseno J., Dash M., Drutskoy A., Eidelman S., Go A., Golob B., Gorisek A., Ha H., Haba J., Hara K., Hazumi M., Heffernan D., Hokuue T., Hoshi Y., Hou W.-S., Iijima T., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kaji H., Kang J. H., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim H. J., Kim H. O., Kim S. K., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kulasiri R., Kumar R., Kuo C. C., Kuzmin A., Kwon Y.-J., Lee M. J., Lee S. E., Lesiak T., Limosani A., Lin S.-W., Liventsev D., Mandl F., Matsumoto T., Matyja A., McOnie S., Medvedeva T., Mitaroff W., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Mori T., Nakano E., Nakao M., Nakazawa H., Nishida S., Noguchi S., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Park C. W., Park H., Peak L. S., Pestotnik R., Piilonen L. E., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schuemann J., Schwanda C., Schwartz A. J., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shwartz B., Singh J. B., Somov A., Soni N., Stanic S., Staric M., Stoeck H., Sumiyoshi T., Takasaki F., Tamai K., Tanaka M., Teramoto Y., Tian X. C., Tikhomirov I., Trabelsi K., Tsukamoto T., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Varvell K. E., Vervink K., Villa S., Wang C. H., Watanabe Y., Won E., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang C. C., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW LETTERS   98 ( 22 )   2007.06( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.98.221802

  • Measurement of CP asymmetry in a time-dependent dalitz analysis of B0→(ρπ)0 and a constraint on the quark mixing matrix angle 2 Reviewed

    A. Kusaka, C. C. Wang, H. Ishino, et. al. [Belle Collaboation]

    Physical Review Letters   98   2007.06( ISSN:00319007

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    We present a measurement of CP asymmetry using a time-dependent Dalitz plot analysis of B0→π+π-π0 decays based on a 414fb-1 data sample containing 449×106BB̄ pairs. The data was collected on the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. Combining our analysis with information on charged B decay modes, we perform a full Dalitz and isospin analysis and obtain a constraint on the CKM angle 2, 68°< 2<95° as the 68.3% confidence interval for the 2 solution consistent with the standard model (SM). A large SM-disfavored region also remains. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevLett.98.221602

  • Search for B0→pp̄, ΛΛ̄ and B+→pΛ̄ at Belle Reviewed

    Y. T. Tsai, P. Chang, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   75 ( 11 )   2007.06( ISSN:15507998

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    We report on a new search for two-body baryonic decays of the B meson. Improved sensitivity compared to previous Belle results is obtained from 414fb-1 of data that corresponds to 449×106 BB̄ pairs, which were taken on the Υ(4S) resonance and collected with the Belle detector at the KEKB e+e- collider. No significant signals are observed and we set the 90% confidence level upper limits: B(B0→pp̄)<1.1×10-7, B(B0→Λ Λ̄)<3.2×10-7, and B(B+→pΛ̄)<3. 2×10-7. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevD.75.111101

  • Evidence for D-0-(D)over-bar(0) mixing Reviewed

    Staric M., Golob B., Abe K., Abe K., Adachi I., Aihara H., Arinstein K., Aushev T., Aziz T., Bahinipati S., Bakich A. M., Balagura V., Barberio E., Bay A., Belous K., Bitenc U., Bizjak I., Blyth S., Bondar A., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chang P., Chao Y., Chen A., Chen K.-F., Chen W. T., Cheon B. G., Chistov R., Cho I.-S., Choi S.-K., Choi Y., Cole S., Dalseno J., Danilov M., Dash M., Dragic J., Drutskoy A., Eidelman S., Epifanov D., Fratina S., Gabyshev N., Garmash A., Gorisek A., Ha H., Haba J., Hara T., Hastings N. C., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Higuchi T., Hokuue T., Hoshi Y., Hou W.-S., Iijima T., Ikado K., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kaji H., Kapusta P., Katayama N., Kawasaki T., Kibayashi A., Kichimi H., Kim S. K., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kuzmin A., Kwon Y.-J., Lange J. S., Lee M. J., Lee S. E., Lesiak T., Li J., Limosani A., Lin S.-W., Liventsev D., Mandl F., Marlow D., Matsumoto T., Matyja A., McOnie S., Medvedeva T., Mitaroff W., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Mohapatra D., Nagasaka Y., Nakamura I., Nakano E., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Noguchi S., Nozaki T., Ogawa S., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Palka H., Pestotnik R., Piilonen L. E., Poluektov A., Rozanska M., Sahoo H., Sakai Y., Satoyama N., Schneider O., Mann J. Schu R., Schwanda C., Schwartz A. J., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shen C. P., Shibuya H., Shwartz B., Sokolov A., Somov A., Stanic S., Stoeck H., Sumisawa K., Sumiyoshi T., Suzuki S., Suzuki S. Y., Tajima O., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Trabelsi K., Tsuboyama T., Tsukamoto T., Uehara S., Ueno K., Uglov T., Unno Y., Uno S., Urquijo P., Ushiroda Y., Usov Y., Varner G., Varvell K. E., Vervink K., Villa S., Vinokurova A., Wang C. H., Wang M.-Z., Watanabe Y., Wicht J., Won E., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamamoto H., Yamashita Y., Yamauchi M., Yuan C. Z., Yuan Y., Zhang C. C., Zhang L. M., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW LETTERS   98 ( 21 )   2007.05( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.98.211803

  • Observation of B decays to two kaons Reviewed

    Lin S.-W., Chang P., Abe K., Abe K., Adachi I., Aihara H., Anipko D., Arinstein K., Aulchenko V., Aushev T., Aziz T., Bakich A. M., Barberio E., Bay A., Bedny I., Belous K., Bitenc U., Bizjak I., Blyth S., Bondar A., Bozek A., Bracko M., Chao Y., Chen A., Chen K.-F., Chen W. T., Cheon B. G., Chistov R., Choi S.-K., Choi Y., Choi Y. K., Dalseno J., Dash M., Dragic J., Eidelman S., Fratina S., Gabyshev N., Gershon T., Go A., Gokhroo G., Golob B., Ha H., Haba J., Hara T., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hoshi Y., Hou S., Hou W.-S., Hsiung Y. B., Iijima T., Ikado K., Imoto A., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kaji H., Kang J. H., Katayama N., Kawai H., Kawasaki T., Khan H. R., Kichimi H., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Kulasiri R., Kuo C. C., Kwon Y.-J., Lange J. S., Lee J., Lee M. J., Lee S. E., Lesiak T., Limosani A., Mandl F., Matsumoto T., McOnie S., Mitaroff W., Miyabayashi K., Miyaki H., Miyata H., Miyazaki Y., Mizuk R., Mohapatra D., Mori T., Nakamura I., Nakano E., Nakao M., Nishida S., Nitoh O., Noguchi S., Nozaki T., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Park C. W., Park H., Park K. S., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schuemann J., Schwartz A. J., Senyo K., Shapkin M., Singh J. B., Sokolov A., Somov A., Soni N., Stanic S., Staric M., Stoeck H., Sumiyoshi T., Tajima O., Takasaki F., Tamai K., Tamura N., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Trabelsi K., Tsukamoto T., Uehara S., Uglov T., Ueno K., Unno Y., Uno S., Usov Y., Varner G., Villa S., Wang C. C., Wang C. H., Wang M.-Z., Watanabe Y., Won E., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang C. C., Zhang L. M., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW LETTERS   98 ( 18 )   2007.05( ISSN:0031-9007

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  • Measurement of charmless B decays to eta K-* and eta rho Reviewed

    Wang C. H., Abe K., Adachi I., Aihara H., Anipko D., Aushev T., Bakich A. M., Barberio E., Bay A., Belous K., Bitenc U., Blyth S., Bondar A., Bozek A., Bracko M., Chang P., Chao Y., Chen A., Chen W. T., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Cole S., Dalseno J., Drutskoy A., Eidelman S., Fratina S., Gabyshev N., Garmash A., Gershon T., Gokhroo G., Golob B., Ha H., Haba J., Hara T., Hayasaka K., Hazumi M., Heffernan D., Hokuue T., Hoshi Y., Hou W.-S., Iijima T., Ikado K., Imoto A., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kaji H., Kang J. H., Kapusta P., Katayama N., Khan H. R., Kichimi H., Kim Y. J., Kinoshita K., Kulasiri R., Kumar R., Kuo C. C., Kwon Y.-J., Leder G., Lee M. J., Lee S. E., Lesiak T., Lin S.-W., Liventsev D., MacNaughton J., Matsumoto T., Matyja A., McOnie S., Miyake H., Miyata H., Mizuk R., Nakano E., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Park H., Park K. S., Pestotnik R., Piilonen L. E., Sakai Y., Satoyama N., Schneider O., Schumann J., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Singh J. B., Sokolov A., Somov A., Soni N., Stanic S., Staric M., Stoeck H., Suzuki S. Y., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Tsuboyama T., Tsukamoto T., Uehara S., Uglov T., Ueno K., Urquijo P., Usov Y., Varner G., Villa S., Wang M.-Z., Watanabe Y., Won E., Xie Q. L., Yamaguchi A., Yamashita Y., Zhang C. C., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW D   75 ( 9 )   2007.05( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.75.092005

  • Search for B decays into η′p, η′K*, η′, η′ω and η′η(′) Reviewed

    J. Schümann, C. H. Wang, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   75   2007.05( ISSN:15507998

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    We report on a search for the exclusive two-body charmless hadronic B meson decays B→η′ρ, B→η′K*, B0→η′, B0→η′ω, and B0→η′η (′). The results are obtained from a data sample containing 535×106 BB̄ pairs that were collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We find no significant signals and report upper limits in the range (0.5-6.5)×10-6 for all of the above decays. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevD.75.092002

  • Observation of B decays to two kaons Reviewed

    S. W. Lin, P. Chang, et. al. [Belle Collaboation]

    Physical Review Letters   98   2007.05( ISSN:00319007

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    Using 449×106 BB̄ pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider, we observe clear signals for B+→K̄0K+ and B0→K̄0K0 decays with 5.3σ and 6.0σ significance, respectively. We measure the branching fractions B(B+→K̄0K+)=(1.22-0.28-0.16+0.32+0.13)×10-6 and B(B0→K̄0K0)=(0.87-0.20+0.25±0.09)×10-6, and partial-rate asymmetries ACP(B+→K̄0K+)=0.13-0.24+0.23±0.02 and ACP(B0→K̄0K0)=-0.58-0.66+0.73±0.04. From a simultaneous fit, we also obtain B(B+→K0π+)=(22.8-0.7+0.8±1.3)×10-6 and ACP(B+→K0π+)=0.03±0.03±0.01. The first and second error in the branching fractions and the partial-rate asymmetries are statistical and systematic, respectively. No signal is observed for B0→K+K- decays, and for this branching fraction, we set an upper limit of 4.1×10-7 at the 90% confidence level. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevLett.98.181804

  • Measurements of branching fractions and q2 distributions for B → π ℓ ν and B → ρ ℓ ν decays with B → D(*) ℓ ν decay tagging Reviewed

    T. Hokuue, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   648   139 - 148   2007.05( ISSN:03702693

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    We report measurements of the charmless semileptonic decays B0 → π- / ρ- ℓ+ ν and B+ → π0 / ρ0 ℓ+ ν, based on a sample of 2.75 × 108B over(B, ̄) events collected at the Υ{hooked} (4 S) resonance with the Belle detector at the KEKB e+ e- asymmetric collider. In this analysis, the accompanying B meson is reconstructed in the semileptonic mode B → D(*) ℓ ν, enabling detection of the signal modes with high purity. We measure the branching fractions B (B0 → π- ℓ+ ν) = (1.38 ± 0.19 ± 0.14 ± 0.03) × 10-4, B (B0 → ρ- ℓ+ ν) = (2.17 ± 0.54 ± 0.31 ± 0.08) × 10-4, B (B+ → π0 ℓ+ ν) = (0.77 ± 0.14 ± 0.08 ± 0.00) × 10-4 and B (B+ → ρ0 ℓ+ ν) = (1.33 ± 0.23 ± 0.17 ± 0.05) × 10-4, where the errors are statistical, experimental systematic, and systematic due to form factor uncertainties, respectively. For each mode we also present the partial branching fractions in three q2 intervals: q2 < 8, 8 ≤ q2 < 16, and q2 ≥ 16   GeV2 / c2. From our partial branching fractions for B → π ℓ ν and recent results for the form factor from unquenched Lattice QCD calculations, we obtain values of the CKM matrix element | Vu b |. © 2007 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2007.02.067

  • Search for lepton flavor violating τ- decays into ℓ- η, ℓ- η and ℓ- π0 Reviewed

    Y. Miyazaki, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   648 ( 5-6 )   341 - 350   2007.05( ISSN:03702693

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    We have searched for lepton-flavor-violating τ decays with a pseudoscalar meson (η, η′ and π0) using a data sample of 401 fb-1 collected with the Belle detector at the KEKB asymmetric-energy e+ e- collider. No evidence for these decays is found and we set the following upper limits on the branching fractions: B (τ- → e- η) < 9.2 × 10-8, B (τ- → μ- η) < 6.5 × 10-8, B (τ- → e- η′) < 1.6 × 10-7, B (τ- → μ- η′) < 1.3 × 10-7, B (τ- → e- π0) < 8.0 × 10-8 and B (τ- → μ- π0) < 1.2 × 10-7 at the 90% confidence level. These results improve our previously published upper limits by factors from 2.3 to 6.3. © 2007 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2007.03.027

  • Improved measurements of branching fractions and CP asymmetries in B→ηh decays Reviewed

    P. Chang, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   75 ( 7 )   2007.04( ISSN:15507998

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    We report improved measurements of B decays with an η meson in the final state using 492fb-1 of data collected by the Belle detector at the KEKB e+e- collider. We observe the decays B±→ηπ± and B±→ηK± and measure the branching fractions B(B±→ηπ±)=(4.2±0.4(stat)±0.2(sys)) ×10-6 and B(B±→ηK±)=(1.9±0.3(stat)-0.1+0. 2(sys))×10-6. The corresponding CP-violating asymmetries are measured to be -0.23±0.09(stat)±0.02(sys) for ηπ± and -0.39±0.16(stat)±0.03(sys) for ηK±. We also search for B0→ηK0 decays and set an upper limit of 1.9×10-6 at the 90% confidence level. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevD.75.071104

  • A search for the rare leptonic decays B+ → μ+ ν<inf>μ</inf> and B+ → e+ ν<inf>e</inf> Reviewed

    N. Satoyama, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   647   67 - 73   2007.04( ISSN:03702693

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    We present a search for the decays B+ → μ+ νμ and B+ → e+ νe in a 253 fb-1 data sample collected at the Υ{hooked} (4 S) resonance with the Belle detector at the KEKB asymmetric-energy B factory. We find no significant evidence for a signal and set 90% confidence level upper limits of B (B+ → μ+ νμ) < 1.7 × 10-6 and B (B+ → e+ νe) < 9.8 × 10-7. © 2007 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2007.01.068

  • Observation of the decay Υ(4S)→Υ(1S)π+π- Reviewed

    A. Sokolov, M. Shapkin, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   75 ( 7 )   2007.04( ISSN:15507998

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    We study transitions between Υ states with the emission of charged pions using 477fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The measured product branching fraction B(Υ(4S)→Υ(1S)π+π-)×B(Υ(1S)→μ+μ-)=(4. 42±0.81(stat)±0.56(sys))×10-6. When the PDG value for B(Υ(1S)→μ+μ-) is used, this corresponds to B(Υ(4S) →Υ(1S)π+π-)=(1.78±0.33(stat)±0.23(sys)) ×10-4 and a partial decay width Γ(Υ(4S)→Υ(1S) π+π-)=(3.65±0.67(stat)±0.65(sys))keV. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevD.75.071103

  • Search for invisible decay of the Upsilon(1S) Reviewed

    Tajima O., Hayashii H., Hazumi M., Inami K., Iwasaki Y., Uehara S., Abe K., Adachi I., Aihara H., Anipko D., Aulchenko V., Bakich A. M., Barberio E., Bedny I., Belous K., Bitenc U., Bizjak I., Bondar A., Bozek A., Bracko M., Browder T. E., Chang M. -C., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Cole S., Dalseno J., Danilov M., Dash M., Drutskoy A., Eidelman S., Fratina S., Gabyshev N., Gershon T., Go A., Gokhroo G., Ha H., Haba J., Hayasaka K., Heffernan D., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Iijima T., Ikado K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Kang J. H., Kataoka S. U., Katayama N., Kawai H., Kawasaki T., Khan H. R., Kichimi H., Kim H. J., Kim S. K., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lange J. S., Lee J., Lee M. J., Lesiak T., Limosani A., Lin S. -W., Liventsev D., Majumder G., Mandl F., Matsumoto T., McOnie S., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Mori T., Mueller J., Nakamura I., Nakano E., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Noguchi S., Nozaki T., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Park H., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schumann J., Schwartz A. J., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shwartz B., Singh J. B., Sokolov A., Somov A., Soni N., Stanic S., Staric M., Stoeck H., Sumisawa K., Sumiyoshi T., Suzuki S., Takasaki F., Tamai K., Tamura N., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Trabelsi K., Tsuboyama T., Tsukamoto T., Uglov T., Uno S., Urquijo P., Ushiroda Y., Usov Y., Varner G., Villa S., Wang C. C., Wang C. H., Wang M. -Z., Watanabe Y., Wedd R., Wicht J., Won E., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW LETTERS   98 ( 13 )   2007.03( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.98.132001

  • Measurement of the near-threshold e(+)e(-)-> D-(*D-)+/-(()*()-/+) cross section using initial-state radiation Reviewed

    Pakhlova G., Abe K., Adachi I., Aihara H., Anipko D., Aulchenko V., Aushev T., Bakich A. M., Balagura V., Barberio E., Bay A., Bedny I., Belous K., Bitenc U., Bizjak I., Blyth S., Bondar A., Bozek A., Bracko M., Browder T. E., Chang M. -C., Chao Y., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Chistov R., Choi S. -K., Choi Y., Choi Y. K., Cole S., Dalseno J., Danilov M., Drutskoy A., Eidelman S., Fratina S., Gabyshev N., Gershon T., Gokhroo G., Golob B., Ha H., Haba J., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Iijima T., Ikado K., Imoto A., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Kaji H., Kang J. H., Kapusta P., Katayama N., Kawasaki T., Khan H. R., Kichimi H., Kim Y. J., Kinoshita K., Krizan P., Krokovny P., Kulasiri R., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lee J., Lee M. J., Lee S. E., Lesiak T., Lin S. -W., Liventsev D., Majumder G., Mandl F., Matsumoto T., Matyja A., McOnie S., Medvedeva T., Mitaroff W., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Nakano E., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Pakhlov P., Park H., Park K. S., Pestotnik R., Piilonen L. E., Poluektov A., Sakai Y., Satoyama N., Schneider O., Schumann J., Schwartz A. J., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shwartz B., Singh J. B., Somov A., Soni N., S. Stanic, M. Staric, Stoeck H., Suzuki S. Y., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Tsuboyama T., Tsukamoto T., Uehara S., Uglov T., Ueno K., Uno S., Urquijo P., Usov Y., Varner G., Villa S., Wang C. H., Watanabe Y., Won E., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamashita Y., Zhang C. C., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW LETTERS   98 ( 9 )   2007.03( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.98.092001

  • Observation of the decay B0→J/ψη Reviewed

    M. C. Chang, et. al. [Belle Collaboation]

    Physical Review Letters   98 ( 13 )   2007.03( ISSN:00319007

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    We report the first observation of B0→J/ψη decay. These results are obtained from a data sample that contains 449×106 BB̄ pairs accumulated at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We observe a signal with a significance of 8.1σ and obtain a branching fraction of (9.5±1.7(stat)±0. 8(syst))×10-6. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevLett.98.131803

  • High statistics study of the f0(980) resonance in γγ→π +π- production Reviewed

    T. Mori, S. Uehara, Y. Watanabe, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   75 ( 5 )   2007.03( ISSN:15507998

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    We report on a high statistics measurement of the cross section of the process γγ→π+π- in the π+π- invariant mass range 0.8GeV/c2<W<1.5GeV/c2 with 85.9fb-1 of data collected at s=10.58GeV and 10.52 GeV with the Belle detector. A clear signal for the f0(980) resonance is observed. From a fit to the mass spectrum, the mass, π+π- and two-photon decay widths of the resonance are found to be 985.6-1.5+1.2(stat)-1.6+1.1(syst) MeV/c2, 34.2-11.8+13.9(stat)-2.5+8.8(syst)MeV, and 205-83+95(stat)-117+147(syst) eV, respectively. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevD.75.051101

  • Moments of the hadronic invariant mass spectrum in B -> X(c)l nu decays at Belle Reviewed

    Schwanda C., Abe K., Adachi I., Aihara H., Anipko D., Aulchenko V., Barberio E., Bay A., Bedny I., Belous K., Bitenc U., Bizjak I., Bondar A., Bozek A., Bracko M., Browder T. E., Chang P., Chen A., Chen W. T., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Cole S., Dalseno J., Dash M., Eidelman S., Fratina S., Gabyshev N., Gershon T., Go A., Gokhroo G., Golob B., Ha H., Haba J., Hazumi M., Heffernan D., Hoshi Y., Hou S., Hou W. -S., Iijima T., Ikado K., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Kang J. H., Kataoka S. U., Katayama N., Kawai H., Kawasaki T., Khan H. R., Kichimi H., Kim Y. J., Kinoshita K., Krizan P., Krokovny P., Kumar R., Kuo C. C., Kwon Y. -J., Lange J. S., Lee M. J., Lee S. E., Lesiak T., Limosani A., Lin S. -W., Liventsev D., MacNaughton J., Majumder G., Mandl F., Matsumoto T., Matyja A., McOnie S., Mitaroff W., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Mori T., Nagamine T., Nakano E., Nakao M., Natkaniec Z., Nishida S., Nozaki T., Ohshima T., Okuno S., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Park C. W., Park H., Peak L. S., Pestotnik R., Piilonen L. E., Sakai Y., Satoyama N., Schietinger T., Schneider O., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Singh J. B., Somov A., Soni N., Stanic S., Staric M., Stoeck H., Sumiyoshi T., Suzuki S. Y., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tikhomirov I., Trabelsi K., Tsuboyama T., Tsukamoto T., Uehara S., Uglov T., Uno S., Urquijo P., Usov Y., Varner G., Varvell K. E., Villa S., Wang C. H., Wang M. -Z., Watanabe Y., Won E., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang L. M., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW D   75 ( 3 )   2007.02( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.75.032005

  • Measurement of inclusive Ds, D0, and J/ψ rates and determination of the Bs(*)B̄s(*) production fraction in bb̄ events at the Υ(5S) resonance Reviewed

    A. Drutskoy, et. al. [Belle Collaboation]

    Physical Review Letters   98 ( 5 )   2007.02( ISSN:00319007

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    The inclusive production of Ds, D0, and J/ψ mesons is studied using a 1.86fb-1 data sample collected on the Υ(5S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. The number of bb̄ events in this Υ(5S) data sample is determined. We measure the branching fractions B(Υ(5S)→DsX)/2=(23.6±1.2±3.6)%, B(Υ(5S)→D0X)/2=(53.8±2.0±3.4)%, and B(Υ(5S)→J/ ψX)/2=(1.030±0.080±0.067)%. From the Ds and D0 inclusive branching fractions the ratio fs=(18.0±1.3±3.2)% of Bs(*)B̄s(*) to the total bb̄ quark pair production at the Υ(5S) energy is obtained in a model-dependent way. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevLett.98.052001

  • Moments of the electron energy spectrum and partial branching fraction of B→Xceν decays at the Belle detector Reviewed

    P. Urquijo, E. Barberio, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   75 ( 3 )   2007.02( ISSN:15507998

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    We report a measurement of the inclusive electron energy spectrum for charmed semileptonic decays of B mesons in a 140fb-1 data sample collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. We determine the first four moments of the electron energy spectrum for threshold values of the electron energy between 0.4 and 2.0 GeV. In addition, we provide values of the partial branching fraction (zeroth moment) for the same electron threshold energies, and independent measurements of the B+ and B0 partial branching fractions at 0.4 GeV and 0.6 GeV electron threshold energies. We measure the independent B+ and B0 partial branching fractions with electron threshold energies of 0.4 GeV to be ΔB(B+→Xceν)=(10. 79±0.25(stat.)±0.27(sys.))% and ΔB(B0→Xceν)=(10. 08±0.30(stat.)±0.22(sys.))%. Full correlations between all measurements are evaluated. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevD.75.032001

  • Observation of a charmoniumlike state produced in association with a J/ψ in e+e- annihilation at s 10.6GeV Reviewed

    K. Abe, et. al. [Belle Collaboation]

    Physical Review Letters   98 ( 8 )   2007.02( ISSN:00319007

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    We report the first observation of a charmoniumlike state recoiling from the J/ψ in the inclusive process e+e-→J/ψ+anything at a mass of (3.943±0.006±0.006)GeV/c2. We also observe the decay of this state into D*D̄ and determine its intrinsic width to be less than 52MeV/c2 at the 90% C.L. These results are obtained from a 357fb-1 data sample collected with the Belle detector near the Υ(4S) resonance, at the KEKB asymmetric-energy e+e- collider. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevLett.98.082001

  • Observation of time-dependent CP violation in B-0 ->eta K-'(0) decays and improved measurements of CP asymmetries in B-0 ->phi K-0, (KSKSKS0)-K-0-K-0 and B-0 -> J/psi K-0 decays Reviewed

    Chen K. -F., Hara K., Hazumi M., Higuchi T., Miyabayashi K., Nakahama Y., Sumisawa K., Tajima O., Ushiroda Y., Yusa Y., Abe K., Abe K., Adachi I., Aihara H., Anipko D., Arinstein K., Aulchenko V., Aushev T., Aziz T., Bakich A. M., Balagura V., Banerjee S., Barberio E., Barbero M., Bay A., Belous K., Bitenc U., Bizjak I., Blyth S., Bondar A., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chang P., Chao Y., Chen A., Chen W. T., Cheon B. G., Chistov R., Choi S. -K., Choi Y., Choi Y. K., Chuvikov A., Cole S., Dalseno J., Danilov M., Dash M., Dragic J., Drutskoy A., Eidelman S., Epifanov D., Fratina S., Garmash A., Gershon T., Go A., Gokhroo G., Goldenzweig P., Golob B., Ha H., Haba J., Hara T., Hayasaka K., Hayashii H., Heffernan D., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Hsiung Y. B., Iijima T., Ikado K., Imoto A., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kakuno H., Kang J. H., Kataoka S. U., Katayama N., Kawai H., Kawasaki T., Khan H. R., Kichimi H., Kim H. J., Kim S. K., Kim Y. J., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kulasiri R., Kumar R., Kuo C. C., Kusaka A., Kuzmin A., Kwon Y. -J., Leder G., Lee J., Lee M. J., Lesiak T., Li J., Limosani A., Lin S. -W., Liu Y., Liventsev D., Majumder G., Mandl F., Matsumoto T., Matyja A., Mitaroff W., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Mohapatra D., Moloney G. R., Murakami A., Nagamine T., Nagasaka Y., Nakamura I., Nakano E., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Noguchi S., Nozaki T., Ogawa S., Ohshima T., Okuno S., Olsen S. L., Onuki Y., Ostrowicz W., Ozaki H., Pakhlov P., Pakhlova G., Palka H., Park H., Pestotnik R., Piilonen L. E., Sahoo H., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schumann J., Schwartz A. J., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shwartz B., Singh J. B., Sokolov A., Somov A., Stanic S., Staric M., Stoeck H., Sumiyoshi T., Suzuki S., Takasaki F., Tamai K., Tamura N., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Trabelsi K., Tsuboyama T., Tsukamoto T., Uehara S., Uglov T., Ueno K., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Varvell K. E., Villa S., Wang C. C., Wang C. H., Wang M. -Z., Watanabe Y., Wedd R., Won E., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang C. C., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW LETTERS   98 ( 3 )   2007.01( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.98.031802

  • Dalitz analysis of three-body charmless B-0 -> K-0 pi(+) pi(-) decay Reviewed

    Garmash A., Abe K., Adachi I., Aihara H., Anipko D., Arinstein K., Aulchenko V., Aushev T., Bahinipati S., Bakich A. M., Balagura V., Barberio E., Barbero M., Bay A., Bedny I., Belous K., Bitenc U., Bizjak I., Blyth S., Bondar A., Bozek A., Bracko M., Browder T. E., Chang M. -C., Chao Y., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Cole S., Dalseno J., Dash M., Dragic J., Drutskoy A., Eidelman S., Epifanov D., Gabyshev N., Gershon T., Go A., Gokhroo G., Golob B., Ha H., Haba J., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Hsiung Y. B., Iijima T., Ikado K., Imoto A., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kang J. H., Kapusta P., Kawai H., Kawasaki T., Kichimi H., Kim H. J., Kim Y. J., Kinoshita K., Krizan P., Krokovny P., Kulasiri R., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lee S. E., Lesiak T., Li J., Lin S. -W., Liu Y., Majumder G., Mandl F., Matsumoto T., McOnie S., Mitaroff W., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Mohapatra D., Moloney G. R., Nagasaka Y., Nakano E., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Noguchi S., Ohshima T., Okuno S., Olsen S. L., Onuki Y., Pakhlov P., Pakhlova G., Park H., Peak L. S., Pestotnik R., Piilonen L. E., Poluektov A., Sahoo H., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schumann J., Schwanda C., Schwartz A. J., Senyo K., Shapkin M., Shibuya H., Shwartz B., Sidorov V., Sokolov A., Somov A., Stanic S., Staric M., Stoeck H., Sumisawa K., Sumiyoshi T., Suzuki S. Y., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Trabelsi K., Tsukamoto T., Uehara S., Uglov T., Ueno K., Unno Y., Uno S., Urquijo P., Ushiroda Y., Usov Y., Varner G., Varvell K. E., Villa S., Wang C. H., Wang M. -Z., Watanabe Y., Won E., Wu C. -H., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang C. C., Zhang L. M., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW D   75 ( 1 )   2007.01( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.75.012006

  • Search for B+-> J/psi eta ' K+ and B-0 -> J/psi eta ' K-S(0) decays Reviewed

    Xie Q. L., Abe K., Adachi I., Aihara H., Anipko D., Arinstein K., Aulchenko V., Aushev T., Aziz T., Bahinipati S., Bakich A. M., Balagura V., Barberio E., Barbero M., Bay A., Bedny I., Belous K., Bitenc U., Bizjak I., Blyth S., Bozek A., Bracko M., Browder T. E., Chang M. -C., Chao Y., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Cole S., Dalseno J., Dash M., Drutskoy A., Eidelman S., Epifanov D., Gabyshev N., Gershon T., Go A., Gokhroo G., Ha H., Haba J., Hayasaka K., Hayashii H., Hazumi M., Heffernan D., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Iijima T., Ikado K., Imoto A., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kang J. H., Kapusta P., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kim H. J., Kim Y. J., Korpar S., Krizan P., Krokovny P., Kulasiri R., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lee S. E., Lesiak T., Lin S. -W., Liu Y., Majumder G., Mandl F., Matsumoto T., McOnie S., Mitaroff W., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Mueller J., Nagasaka Y., Nakano E., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Ohshima T., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Pakhlov P., Pakhlova G., Park H., Peak L. S., Pestotnik R., Piilonen L. E., Poluektov A., Sahoo H., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schumann J., Senyo K., Shapkin M., Shibuya H., Shwartz B., Sidorov V., Sokolov A., Somov A., Stanic S., Staric M., Stoeck H., Sumisawa K., Sumiyoshi T., Suzuki S. Y., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Trabelsi K., Tsuboyama T., Tsukamoto T., Uehara S., Uglov T., Unno Y., Uno S., Urquijo P., Usov Y., Varner G., Wang C. H., Wang M. -Z., Watanabe Y., Wedd R., Won E., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang C. C., Zhang L. M., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW D   75 ( 1 )   2007.01( ISSN:1550-7998

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    DOI: 10.1103/PhysRevD.75.017101

  • Study of the charmed baryonic decays B̄0→Σc++p̄π- and B̄0→Σc0p̄π+ Reviewed

    K. S. Park, H. Kichimi, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   75 ( 1 )   2007.01( ISSN:15507998

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    We study the three-body charmed baryonic decays B̄0→Σ c++p̄π- and B̄0→Σc0p̄π+ in the four-body final state B̄0→Λc+p̄π+π-, using a data sample of 357fb-1 accumulated at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We measure the branching fractions B(B̄0→Σc(2455)++p̄π-)=(2.1±0.2±0. 3±0.5)×10-4, B(B̄0→Σc(2455)0p̄π+)=(1. 4±0.2±0.2±0.4)×10-4 and B(B̄0→Σ c(2520)++p̄π-)=(1.2±0.1±0.2±0.3)×10-4 with signal significances of 13.1σ, 9.4σ and 7.1σ, respectively. The errors are statistical, systematic, and due to the uncertainty in B(Λc+→pK-π+), respectively. We also set an upper limit B(B̄0→Σc(2520)0p̄π+)<0.38×10-4 at the 90% confidence level. In addition, we obtain a nonresonant branching fraction of (6.4±0.4±0.9±1.7)×10-4, and a total branching fraction of (11.2±0.5±1.4±2.9)×10-4 for B̄0→Λc+p̄π+π-. © 2007 The American Physical Society.

    DOI: 10.1103/PhysRevD.75.011101

  • R&D status of readout system for a large photo cathode HAPD Reviewed

    T. Abe, H. Aihara, M. Iwasaki, H. Miyatake, T. Uchida, M. Tanaka, Y. Kawai, H. Kyushima, M. Suyama, Y. Ffigashi, T. Mizukami, S. Nakano

    IEEE 2007 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-11   2373 - +   2007( ISSN:1082-3654

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    We develop a readout system dedicated for a Hybrid Avalanche Photo-Detector (HAPD). We employ a waveform sampling and digital signal processing (DSP) technique for the system. We fabricate the first prototype of the system. The system is composed of an analog memory cell (AMC) as the waveform sampler and FINENET with field programmable gate arrays (FPGA) to give low power consumption, high resolution, flexible DSP environment and fast output data transfer. A 64-cell AMC is developed and attained a fast sampling speed of 1GHz with the low power consumption of similar to 72mW. FINENET works with online DSP functionality and achieved the data transfer rate to similar to 1Gbps with SiTCP. We report the performance of the system with HAPD.

  • Evidence of the purely leptonic decay B- -> tau(-)(v)over-bar(tau) Reviewed

    Ikado K., Abe K., Abe K., Adachi I., Aihara H., Akai K., Akemoto M., Anipko D., Arinstein K., Aulchenko V., Aushev T., Aziz T., Bakich A. M., Balagura V., Barbero M., Bay A., Bedny I., Belous K., Bitenc U., Bizjak I., Bondar A., Bozek A., Bracko M., Browder T. E., Chang P., Chen A., Chen W. T., Choi Y., Cole S., Dalseno J., Danilov M., Dash M., Eidelman S., Epifanov D., Flanagan J., Fratina S., Furukawa K., Gabyshev N., Gershon T., Go A., Gokhroo G., Golob B., Gorisek A., Ha H., Haba J., Hara K., Hara T., Hastings N. C., Hayasaka K., Hayashii H., Hazumi M., Hinz L., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Iida N., Iijima T., Imoto A., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kamitani T., Kang J. H., Kataoka S. U., Katayama N., Kawai H., Kawasaki T., Kichimi H., Kikutani E., Kim H. J., Kim H. O., Kinoshita K., Koiso H., Korpar S., Krizan P., Krokovny P., Kulasiri R., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lange J. S., Leder G., Lee J., Lesiak T., Limosani A., Lin S. -W., Liventsev D., Marlow D., Matsumoto T., Matyja A., McOnie S., Michizono S., Mimashi T., Mitaroff W., Miyabayashi K., Miyata H., Miyazaki Y., Mizuk R., Nagamine T., Nakamura I., Nakamura T. T., Nakano E., Nakao M., Nishida S., Nitoh O., Noguchi S., Nozaki T., Ogawa S., Ogawa Y., Ohmi K., Ohshima T., Ohuchi N., Oide K., Okabe T., Okuno S., Olsen S. L., Onuki Y., Ostrowicz W., Ozaki H., Pakhlov P., Park C. W., Park H., Pestotnik R., Piilonen L. E., Poluektov A., Rozanska M., Sakai Y., Schietinger T., Schneider O., Schwanda C., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shidara T., Shwartz B., Sidorov V., Sokolov A., Somov A., Stanic S., Staric M., Stoeck H., Sumisawa K., Sumiyoshi T., Suzuki S., Tajima O., Takasaki F., Tamai K., Tamura N., Tanaka M., Tawada M., Taylor G. N., Teramoto Y., Tian X. C., Trabelsi K., Tsuboyama T., Tsukamoto T., Uehara S., Uglov T., Ueno K., Unno Y., Uno S., Usov Y., Varner G., Villa S., Wang C. C., Wang C. H., Watanabe Y., Won E., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Yoshida M., Yusa Y., Zhang L. M., Zhang Z. P., Zhilich V., Zuercher D.

    PHYSICAL REVIEW LETTERS   97 ( 25 )   2006.12( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.97.251802

  • Study of decay mechanisms in B-->Lambda(+)(c)p pi(-) decays and observation of low-mass structure in the Lambda(+)(c)p system Reviewed

    Gabyshev N., Abe K., Abe K., Adachi I., Aihara H., Asano Y., Aulchenko V., Aushev T., Bakich A. M., Bitenc U., Bizjak I., Blyth S., Bondar A., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chang P., Chao Y., Chen A., Chen W. T., Cheon B. G., Chistov R., Choi S. -K., Choi Y., Chuvikov A., Cole S., Dalseno J., Danilov M., Dash M., Drutskoy A., Eidelman S., Enari Y., Fratina S., Gershon T., Gokhroo G., Golob B., Gorisek A., Hara T., Hayashii H., Hazumi M., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Hsiung Y. B., Iijima T., Imoto A., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Kang J. H., Kang J. S., Kataoka S. U., Katayama N., Kawai H., Kawasaki T., Khan H. R., Kichimi H., Kim H. J., Kim H. O., Kim S. K., Kim S. M., Kinoshita K., Korpar S., Krokovny P., Kumar S., Kuo C. C., Kuzmin A., Kwon Y. -J., Lange J. S., Leder G., Lesiak T., Lin S. -W., Mandl F., Matsumoto T., Mikami Y., Mitaroff W., Miyake H., Miyata H., Mizuk R., Nagamine T., Nagasaka Y., Nakano E., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okabe T., Okuno S., Olsen S. L., Onuki Y., Ozaki H., Palka H., Park C. W., Park H., Parslow N., Peak L. S., Pestotnik R., Piilonen L. E., Rozanska M., Sagawa H., Sakai Y., Sato N., Schietinger T., Schneider O., Schwartz A. J., Senyo K., Seuster R., Sevior M. E., Shibuya H., Sidorov V., Singh J. B., Somov A., Stamen R., Stanic S., Staric M., Sumiyoshi T., Suzuki S. Y., Tajima O., Takasaki F., Tamai K., Tamura N., Tanaka M., Teramoto Y., Tian X. C., Tsuboyama T., Tsukamoto T., Uehara S., Uglov T., Ueno K., Uno S., Urquijo P., Varner G., Varvell K. E., Villa S., Wang C. H., Wang M. -Z., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamamoto H., Yamashita Y., Yamauchi M., Yang Heyoung, Zhang C. C., Zhang J., Zhang L. M., Zhang Z. P., Zhilich V., Zontar D.

    PHYSICAL REVIEW LETTERS   97 ( 24 )   2006.12( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.97.242001

  • Time-dependent CP asymmetries in B-0 -> K-s(0)pi(0)gamma transitions Reviewed

    Ushiroda Y., Sumisawa K., Abe K., Abe K., Adachi I., Aihara H., Anipko D., Arinstein K., Bakich A. M., Barberio E., Barbero M., Bay A., Bedny I., Belous K., Bitenc U., Bizjak I., Blyth S., Bondar A., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chang P., Chao Y., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Cole S., Dalseno J., Dash M., Eidelman S., Gabyshev N., Gershon T., Go A., Golob B., Ha H., Haba J., Hara K., Hazumi M., Heffernan D., Higuchi T., Hoshi Y., Hou S., Hou W. -S., Iijima T., Ikado K., Inami K., Ishikawa A., Ishino H., Itoh R., Iwasaki M., Iwasaki Y., Kang J. H., Katayama N., Kawai H., Kawasaki T., Khan H. R., Kichimi H., Kim H. J., Kim Y. J., Kinoshita K., Krizan P., Kulasiri R., Kumar R., Kuzmin A., Kwon Y. -J., Lee M. J., Lee S. E., Lesiak T., Limosani A., Lin S. -W., Mandl F., Marlow D., Matsumoto T., Matyja A., McOnie S., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Mori T., Nakano E., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Noguchi S., Ogawa S., Ohshima T., Okuno S., Onuki Y., Ozaki H., Pakhlov P., Park C. W., Park H., Peak L. S., Pestotnik R., Piilonen L. E., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schumann J., Schwartz A. J., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Singh J. B., Somov A., Soni N., Staric M., Stoeck H., Suzuki S., Suzuki S. Y., Tajima O., Takasaki F., Tamai K., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Trabelsi K., Tsuboyama T., Tsukamoto T., Uehara S., Ueno K., Uno S., Urquijo P., Usov Y., Varner G., Varvell K. E., Villa S., Wang C. H., Watanabe Y., Wedd R., Won E., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Zhang L. M., Zhang Z. P., Zhilich V., Zupanc A.

    PHYSICAL REVIEW D   74 ( 11 )   2006.12( ISSN:1550-7998

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    DOI: 10.1103/PhysRevD.74.111104

  • Improved measurements of branching fractions and CP partial rate asymmetries for B→ωK and B→ωπ Reviewed

    C. M. Jen, P. Chang, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   74 ( 11 )   2006.12( ISSN:15507998

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    We report improved measurements of B to pseudoscalar-vector decays containing an ω meson in the final state. Our results are obtained from a data sample that contains 388×106 BB̄ pairs accumulated at the Υ(4S) resonance, with the Belle detector at the KEKB asymmetric-energy e+e- collider. We measure the following branching fractions: B(B+→ωK+)= [8.1±0.6(stat.)±0.6(syst.)]×10-6, B(B+→ωπ+)= [6.9±0.6(stat.)±0.5(syst.)]×10-6, and B(B0→ωK0)= [4.4-0.7+0.8(stat.)±0.4(syst.)]×10-6. The partial width ratio Γ(B+→ωK+)Γ(B0→ωK0)=1.7±0.3(stat.) ±0.1(sys.). We also set the 90% confidence level upper limit B(B0→ωπ0)<2.0×10-6. In addition, we obtain the partial rate asymmetries ACP=0.05-0.07+0.08(stat.)±0.01(syst.) for B+→ωK+, and ACP=-0.02±0.09(stat.)±0.01(syst.) for B+→ωπ+. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevD.74.111101

  • Observation of B+→Ξ̄c0Λc+ and evidence for B0→Ξ̄c-Λc+ Reviewed

    R. Chistov, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   74 ( 11 )   2006.12( ISSN:15507998

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    We report the first observation of the decay B+→Ξ̄c0Λc+ with a significance of 8.7σ and evidence for the decay B0→Ξ̄c-Λc+ with a significance of 3.8σ. The product B(B+→Ξ̄c0Λc+)×B(Ξ̄c0→Ξ̄+π-) is measured to be (4.8-0.9+1.0±1.1±1.2)×10-5, and B(B0→Ξ̄c-Λc+)×B(Ξ̄c-→Ξ̄+π- π-) is measured to be (9.3-2.8+3.7±1.9±2.4)×10-5. The errors are statistical, systematic and the error of the Λc+→pK-π+ branching fraction, respectively. The decay B+→Ξ̄c0Λc+ is the first example of a two-body exclusive B+ decay into two charmed baryons. The data used for this analysis was accumulated at the Υ(4S) resonance, using the Belle detector at the e+e- asymmetric-energy collider KEKB. The integrated luminosity of the data sample is equal to 357fb-1, corresponding to 386×106 BB̄ pairs. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevD.74.111105

  • Improved measurements of color-suppressed decays B̄0→D0π0, D0η, D0ω, D*0π0, D*0η and D*0ω Reviewed

    S. Blyth, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   74 ( 9 )   2006.12( ISSN:15507998

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    We present improved measurements of the branching fractions of the color-suppressed decays B̄0→D(*)0h0, where h0 represents a light neutral meson π0, η or ω. The measurements are based on a data sample of 140fb-1 collected at the Υ(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider, corresponding to 7 times the luminosity of the previous Belle measurements. All the measured branching fractions fall in the range 1.4-2.4×10-4, which is significantly higher than theoretical predictions based on naive factorization. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevD.74.092002

  • Observation of B+->Lambda(+)(c)Lambda K--(c)+ and B-0 ->Lambda(+)(c)Lambda K--(c)0 decays Reviewed

    Gabyshev N., Abe K., Adachi I., Aihara H., Asano Y., Aulchenko V., Aushev T., Bahinipati S., Bakich A. M., Balagura V., Barberio E., Bartel W., Bay A., Bedny I., Bitenc U., Bizjak I., Bondar A., Bozek A., Bracoko M., Browder T. E., Chen A., Chen W. T., Cheon B. G., Chistov R., Choi Y., Chuvikov A., Cole S., Dalseno J., Danilov M., Dash M., Drutskoy A., Eidelman S., Garmash A., Gershon T., Gokhroo G., Golob B., Haba J., Hayasaka K., Hayashii H., Hazumi M., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Hsiung Y. B., Ikado K., Imoto A., Inami K., Itoh R., Iwasaki M., Iwasaki Y., Kang J. H., Kawasaki T., Khan H. R., Kichimi H., Kim S. M., Korpar S., Krokovny P., Kulasiri R., Kuo C. C., Kuzmin A., Kwon Y. -J., Leder G., Lesiak T., Lin S. -W., Liventsev D., Majumder G., Matsumoto T., Mitaroff W., Miyabayashi K., Miyata H., Miyazaki Y., Mizuk R., Nakano E., Nakao M., Natkaniec Z., Nishida S., Ogawa S., Ohshima T., Okabe T., Okuno S., Olsen S. L., Ozaki H., Palka H., Park C. W., Park K. S., Pestotnik R., Piilonen L. E., Sakai Y., Sato N., Satoyama N., Schietinger T., Schneider O., Schwanda C., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Somov A., Soni N., Stamen R., Stanic S., Staric M., Sumiyoshi T., Tamai K., Tamura N., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Tsukamoto T., Uehara S., Uglov T., Ueno K., Uno S., Urquijo P., Varner G., Varvell K. E., Villa S., Wang C. C., Wang C. H., Watanabe Y., Won E., Xie Q. L., Yamaguchi A., Yamauchi M., Ying J., Zhang Z. P.

    PHYSICAL REVIEW LETTERS   97 ( 20 )   2006.11( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.97.202003

  • Development of a 13-in. Hybrid Avalanche Photo-Detector (HAPD) for a next generation water Cherenkov detector Reviewed

    H. Nakayama, A. Kusaka, H. Kakuno, T. Abe, M. Iwasaki, H. Aihara, M. Shiozawa, M. Tanaka, H. Kyushima, M. Suyama, Y. Kawai

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   567   172 - 175   2006.11( ISSN:01689002

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    We have developed a 13-in. Hybrid Avalanche Photo-Detector (HAPD) for photosensors in next generation water Cherenkov type detectors. We study the performance of the HAPD and the results show good time resolution better than σ = 1 ns, good sensitivity for single photon detection, wide dynamic range, and good uniformity on the photocathode. The HAPD is also expected to be less expensive than large PMTs because of its simpler structure without dynodes. © 2006 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.nima.2006.05.219

  • Observation of B+-&gt;Lambda(+)(c)Lambda K--(c)+ and B-0 -&gt;Lambda(+)(c)Lambda K--(c)0 decays Reviewed

    N. Gabyshev, K. Abe, I. Adachi, H. Aihara, Y. Asano, V. Aulchenko, T. Aushev, S. Bahinipati, A. M. Bakich, V. Balagura, E. Barberio, W. Bartel, A. Bay, I. Bedny, U. Bitenc, I. Bizjak, A. Bondar, A. Bozek, M. Bracoko, T. E. Browder, A. Chen, W. T. Chen, B. G. Cheon, R. Chistov, Y. Choi, A. Chuvikov, S. Cole, J. Dalseno, M. Danilov, M. Dash, A. Drutskoy, S. Eidelman, A. Garmash, T. Gershon, G. Gokhroo, B. Golob, J. Haba, K. Hayasaka, H. Hayashii, M. Hazumi, T. Hokuue, Y. Hoshi, S. Hou, W. -S. Hou, Y. B. Hsiung, K. Ikado, A. Imoto, K. Inami, R. Itoh, M. Iwasaki, Y. Iwasaki, J. H. Kang, T. Kawasaki, H. R. Khan, H. Kichimi, S. M. Kim, S. Korpar, P. Krokovny, R. Kulasiri, C. C. Kuo, A. Kuzmin, Y. -J. Kwon, G. Leder, T. Lesiak, S. -W. Lin, D. Liventsev, G. Majumder, T. Matsumoto, W. Mitaroff, K. Miyabayashi, H. Miyata, Y. Miyazaki, R. Mizuk, E. Nakano, M. Nakao, Z. Natkaniec, S. Nishida, S. Ogawa, T. Ohshima, T. Okabe, S. Okuno, S. L. Olsen, H. Ozaki, H. Palka, C. W. Park, K. S. Park, R. Pestotnik, L. E. Piilonen, Y. Sakai, N. Sato, N. Satoyama, T. Schietinger, O. Schneider, C. Schwanda, R. Seidl, K. Senyo, M. E. Sevior, M. Shapkin, H. Shibuya, A. Somov, N. Soni, R. Stamen, S. Stanic, M. Staric, T. Sumiyoshi, K. Tamai, N. Tamura, M. Tanaka, G. N. Taylor, Y. Teramoto, X. C. Tian, T. Tsukamoto, S. Uehara, T. Uglov, K. Ueno, S. Uno, P. Urquijo, G. Varner, K. E. Varvell, S. Villa, C. C. Wang, C. H. Wang, Y. Watanabe, E. Won, Q. L. Xie, A. Yamaguchi, M. Yamauchi, J. Ying, Z. P. Zhang

    PHYSICAL REVIEW LETTERS   97 ( 20 )   2006.11( ISSN:0031-9007

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    We report the first measurements of the doubly charmed baryonic B decays B -&gt;Lambda(+)(c)Lambda K--(c). The B+-&gt;Lambda(+)(c)Lambda K--(c)+ decay is observed with a branching fraction of (6.5(-0.9)(+1.0)+/- 1.1 +/- 3.4)x10(-4) and a statistical significance of 15.4 sigma. The B-0 -&gt;Lambda(+)(c)Lambda K--(c)0 decay is observed with a branching fraction of (7.9(-2.3)(+2.9)+/- 1.2 +/- 4.1)x10(-4) and a statistical significance of 6.6 sigma. The branching fraction errors are statistical, systematic, and the error resulting from the uncertainty of the Lambda(+)(c)-&gt; pK(-)pi(+) decay branching fraction. The analysis is based on 357 fb(-1) of data accumulated at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider.

    DOI: 10.1103/PhysRevLett..97.202003

  • Study of J/ψ→pp̄,ΛΛ̄ and observation of ηc→ΛΛ̄ at Belle Reviewed

    C. H. Wu, M. Z. Wang, et. al. [Belle Collaboation]

    Physical Review Letters   97 ( 16 )   2006.10( ISSN:00319007

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    We study the baryonic charmonium decays of B mesons B+→ηcK+ and B+→J/ψK+, where the ηc and J/ψ subsequently decay into a pp̄ or ΛΛ̄ pair. We measure the J/ψ→pp̄ and ΛΛ̄ anisotropy parameters αB=-0.60±0. 13±0.14 (pp̄), -0.44±0.51±0.31 (ΛΛ̄ ) and compare to results from e+e-→J/ψ formation experiments. We also report the first observation of ηc→ΛΛ̄. The measured branching fraction is B(ηc→ΛΛ̄)=(0.87-0.21+0. 24(stat)-0.14+0.09(syst)±0.27(PDG))×10-3. This study is based on a 357fb-1 data sample recorded on the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevLett.97.162003

  • Observation of new states decaying into Λc+K-π+ and Λc+KS0π Reviewed

    R. Chistov, et. al. [Belle Collaboation]

    Physical Review Letters   97 ( 16 )   2006.10( ISSN:00319007

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    We report the first observation of two charmed strange baryons that decay into Λc+K-π+. The broader of the two states is measured to have a mass of 2978.5±2.1±2.0MeV/c2 and a width of 43.5±7.5±7. 0MeV/c2. The mass and width of the narrow state are measured to be 3076.7±0.9±0.5MeV/c2 and 6.2±1.2±0.8MeV/c2, respectively. We also perform a search for the isospin partner states that decay into Λc+KS0π- and observe a significant signal at the mass of 3082.8±1.8±1.5MeV/c2. The data used for this analysis were accumulated at or near the Υ(4S) resonance, using the Belle detector at the e+e- asymmetric-energy collider KEKB. The integrated luminosity of the data sample used is 461.5fb-1. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevLett.97.162001

  • Search for neutrinoless decays τ → ℓ h h and τ → ℓ V0 Reviewed

    Y. Yusa, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   640 ( 4 )   138 - 144   2006.09( ISSN:03702693

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    We have searched for neutrinoless τ lepton decays into ℓhh or ℓ V0, where ℓ stands for an electron or muon, h for a charged light hadron, π or K, and V0 for a neutral vector meson, ρ0, K* (892)0 and φ{symbol}, using a 158 fb-1 data sample collected with the Belle detector at the KEKB e+ e- collider. Since the number of events observed are consistent with the expected background, we set upper limits on the branching fractions in the range of (1.6 - 8.0) × 10-7 for various decay modes at the 90% confidence level. © 2006 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2006.07.025

  • Evidence for B ->eta(')pi and improved measurements for B ->eta ' K Reviewed

    Schumann J., Wang C. H., Abe K., Adachi I., Aihara H., Anipko D., Arinstein K., Asano Y., Aushev T., Bakich A. M., Balagura V., Barberio E., Barbero M., Bay A., Bedny I., Bitenc U., Bizjak I., Blyth S., Bondar A., Bozek A., Bracko M., Browder T. E., Chang M. -C., Chang P., Chao Y., Chen A., Chen W. T., Cheon B. G., Choi Y., Choi Y. K., Chuvikov A., Cole S., Dalseno J., Danilov M., Dash M., Dragic J., Drutskoy A., Eidelman S., Epifanov D., Fratina S., Gabyshev N., Gershon T., Go A., Gokhroo G., Golob B., Gorisek A., Ha H. C., Haba J., Hara T., Hastings N. C., Hayasaka K., Hayashii H., Hazumi M., Hinz L., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Hsiung Y. B., Iijima T., Imoto A., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Kang J. H., Kapusta P., Katayama N., Kawai H., Kawasaki T., Khan H. R., Kichimi H., Kim S. K., Kim S. M., Kinoshita K., Kulasiri R., Kumar R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lange J. S., Lee J., Lesiak T., Limosani A., Liventsev D., MacNaughton J., Majumder G., Mandl F., Marlow D., Matsumoto T., Matyja A., Mitaroff W., Miyake H., Miyata H., Miyazaki Y., Mizuk R., Moloney G. R., Mori T., Nagamine T., Nakamura I., Nakano E., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okabe T., Okuno S., Olsen S. L., Ozaki H., Pakhlov P., Palka H., Park C. W., Park H., Parslow N., Peak L. S., Pestotnik R., Piilonen L. E., Rozanska M., Sakai Y., Sarangi T. R., Sato N., Schietinger T., Schneider O., Schwanda C., Seidl R., Senyo K., Sevior M. E., Shapkin M., Shibuya H., Shwartz B., Sidorov V., Sokolov A., Somov A., Soni N., Stamen R., Stanic S., Staric M., Sumisawa K., Suzuki S., Takasaki F., Tamai K., Tamura N., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Trabelsi K., Tsuboyama T., Tsukamoto T., Uehara S., Uglov T., Ueno K., Uno S., Urquijo P., Usov Y., Varner G., Varvell K. E., Villa S., Wang C. C., Wang M. -Z., Watanabe Y., Won E., Xie Q. L., Yamaguchi A., Yamashita Y., Yamauchi M., Ying J., Yusa Y., Zhang C. C., Zhang L. M., Zhang Z. P., Zhilich V., Zuercher D.

    PHYSICAL REVIEW LETTERS   97 ( 6 )   2006.08( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.97.061802

  • Measurement of D0→πlν(Klν) form factors and absolute branching fractions Reviewed

    L. Widhalm, et. al. [Belle Collaboation]

    Physical Review Letters   97 ( 6 )   2006.08( ISSN:00319007

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    Using a 282fb-1 data sample collected by the Belle experiment at the KEKB e+e- collider, we study D0 decays to K-+ν and π-+ν final states. The D0 flavor and momentum are tagged through a full reconstruction of the recoiling charm meson and additional mesons from fragmentation. The reconstruction method provides very good resolution in neutrino momentum and in q2=(p+pν)2. Normalizing to the total number of D0 tags, we measure the absolute branching fractions to be B(D0→Kν)=(3.45±0.07stat±0.20syst)% and B(D0→πν)=(0.255±0.019stat±0.016syst)% and the semileptonic form factors (within the modified pole model) f+K(0)=0. 695±0.007stat±0.022syst and f+π(0)=0.624±0. 020stat±0.030syst. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevLett.97.061804

  • Search for lepton flavor violating τ- decays with a K<inf>S</inf>0 meson Reviewed

    Y. Miyazaki, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   639 ( 3-4 )   159 - 164   2006.08( ISSN:03702693

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    We have searched for the lepton flavor violating decays τ- → ℓ- KS0 (ℓ = e or μ), using a data sample of 281 fb-1 collected with the Belle detector at the KEKB e+ e- asymmetric-energy collider. No evidence for a signal was found in either of the decay modes, and we set the following upper limits for the branching fractions: B (τ- → e- KS0) < 5.6 × 10-8 and B (τ- → μ- KS0) < 4.9 × 10-8 at the 90% confidence level. These results improve the previously published limits set by the CLEO Collaboration by factors of 16 and 19, respectively. © 2006 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2006.05.086

  • Measurement of the quark mixing parameter cos21 using time-dependent dalitz analysis of B̄0→D[KS0π+π-]h0 Reviewed

    P. Krokovny, et. al. [Belle Collaboation]

    Physical Review Letters   97 ( 8 )   2006.08( ISSN:00319007

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    We present a measurement of the angle 1 of the Cabibbo-Kobayashi-Maskawa unitarity triangle using a time-dependent Dalitz analysis of D→KS0π+π- decays produced in neutral B meson decay to a neutral D meson and a light meson (B̄0→D(*)h0). The method allows a direct extraction of 21 and, therefore, helps to resolve the ambiguity between 21 and π-21 in the measurement of sin21. We obtain sin21=0.78±0.44±0. 22 and cos21=1.87-0.53-0.32+0.40+0.22. The sign of cos21 is determined to be positive at 98.3% C.L. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevLett.97.081801

  • Measurement of branching fraction and direct CP asymmetry in B0→ρ0π0 decays Reviewed

    J. Dragic, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   73 ( 11 )   2006.07( ISSN:15507998

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    We report a measurement of the branching fraction of the decay B0→ρ0π0, using 386×106 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We detect 51-13+14 signal events with a significance of 4.2 standard deviations, including systematic uncertainties, and measure the branching fraction to be B(B0→ρ0π0)=(3.12-0.82+0.88(stat)±0.33(syst)-0. 68+0.50(model))×10-6. We also perform the first measurement of direct CP violating asymmetry in this mode. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevD.73.111105

  • Search for the hc meson in B±→hcK± Reviewed

    F. Fang, T. E. Browder, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   74 ( 1 )   2006.07( ISSN:15507998

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    We report a search for the hc meson via the decay chain B±→hcK±, hc→ηcγ with ηc→KS0K± π and pp̄. No significant signals are observed. We obtain upper limits on the branching fractions for B±→ηcγK± in bins of the ηcγ invariant mass. The results are based on an analysis of 253fb-1 of data collected by the Belle detector at the KEKB e+e- collider. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevD.74.012007

  • Evidence for large direct CP violation in B-+/- -> p(770)K-0(+/-) from analysis of three-body charmless B-+/- -> K-+/-pi(+/-)pi(+/-) decays Reviewed

    Garmash A., Abe K., Abe K., Adachi I., Aihara H., Asano Y., Aushev T., Aziz T., Bahinipati S., Bakich A. M., Barbero M., Bedny I., Bitenc U., Bizjak I., Bondar A., Bozek A., Bracko M., Brodzicka J., Browder T. E., Chang P., Chao Y., Chen A., Chen K. -F., Chen W. T., Cheon B. G., Chistov R., Choi Y., Choi Y. K., Chuvikov A., Dalseno J., Danilov M., Dash M., Dragic J., Drutskoy A., Eidelman S., Epifanov D., Fratina S., Gabyshev N., Gershon T., Go A., Gokhroo G., Golob B., Gorisek A., Ha H. C., Hara T., Hasegawa Y., Hastings N. C., Hayasaka K., Hayashii H., Hazumi M., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Hsiung Y. B., Iijima T., Imoto A., Inami K., Ishikawa A., Itoh R., Iwasaki M., Iwasaki Y., Kapusta P., Katayama N., Kawai H., Kawasaki T., Khan H. R., Kichimi H., Kim S. K., Kim S. M., Kinoshita K., Korpar S., Krizan P., Krokovny P., Kulasiri R., Kuo C. C., Kuzmin A., Kwon Y. -J., Lee S. E., Lesiak T., Limosani A., Lin S. -W., Liventsev D., Mandl F., Marlow D., Matsumoto T., Matyja A., Mitaroff W., Miyabayashi K., Miyake H., Miyata H., Miyazaki Y., Nagamine T., Nakano E., Nakao M., Natkaniec Z., Nishida S., Nitoh O., Noguchi S., Ohshima T., Okabe T., Okuno S., Olsen S. L., Ozaki H., Park C. W., Park H., Park K. S., Peak L. S., Pestotnik R., Piilonen L. E., Rozanska M., Sakai Y., Satoyama N., Schietinger T., Schneider O., Schumann J., Schwanda C., Schwartz A. J., Seidl R., Sevior M. E., Shibuya H., Shwartz B., Singh J. B., Somov A., Stamen R., Stanic S., Staric M., Sumiyoshi T., Suzuki S., Suzuki S. Y., Takasaki F., Tamai K., Tamura N., Tanaka M., Taylor G. N., Teramoto Y., Tian X. C., Trabelsi K., Tsuboyama T., Tsukamoto T., Uehara S., Uglov T., Uno S., Urquijo P., Varner G., Varvell K. E., Villa S., Wang C. H., Wang M. -Z., Watanabe Y., Won E., Xie Q. L., Yamaguchi A., Yamauchi M., Yang Heyoung, Zhang L. M., Zhang Z. P., Zhilich V., Zuercher D.

    PHYSICAL REVIEW LETTERS   96 ( 25 )   2006.06( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.96.251803

  • Charge asymmetry of same-sign dileptons in B-0-B-0 mixing Reviewed

    Nakano E., Abe K., Abe K., Aihara H., Asano Y., Aushev T., Bakich A. M., Ban Y., Barberio E., Bitenc U., Bizjak I., Blyth S., Bondar A., Bozek A., Bracko M., Browder T. E., Chen A., Chen W. T., Cheon B. G., Choi Y., Chuvikov A., Dalseno J., Danilov M., Dash M., Dragic J., Drutskoy A., Eidelman S., Enari Y., Fratina S., Gershon T., Gokhroo G., Golob B., Hara T., Hastings N. C., Hayasaka K., Hayashii H., Hazumi M., Hinz L., Hokuue T., Hoshi Y., Hou S., Hou W. -S., Iijima T., Imoto A., Inami K., Ishikawa A., Itoh R., Iwasaki M., Kang J. H., Kang J. S., Katayama N., Kawai H., Kawasaki T., Khan H. R., Kichimi H., Kim H. O., Kim S. K., Kim S. M., Korpar S., Krizan P., Krokovny P., Kumar S., Kuo C. C., Kwon Y. -J., Lange J. S., Leder G., Lesiak T., Li J., Lin S. -W., Liventsev D., Majumder G., Marlow D., Matsumoto T., Matyja A., Mitaroff W., Miyabayashi K., Miyake H., Miyata H., Mizuk R., Mohapatra D., Mori T., Nagamine T., Nagasaka Y., Nakao M., Nakazawa H., Natkaniec Z., Nishida S., Nitoh O., Ogawa S., Ohshima T., Okabe T., Okuno S., Olsen S. L., Ozaki H., Palka H., Park H., Parslow N., Pestotnik R., Piilonen L. E., Sagawa H., Sakai Y., Sato N., Schietinger T., Schneider O., Sevior M. E., Shibuya H., Sidorov V., Somov A., Stamen R., Stanic S., Staric M., Sumisawa K., Suzuki S. Y., Tajima O., Takasaki F., Tamai K., Tamura N., Tanaka M., Teramoto Y., Tian X. C., Trabelsi K., Tsuboyama T., Tsukamoto T., Uehara S., Uglov T., Uno S., Urquijo P., Varvell K. E., Wang C. C., Wang C. H., Watanabe M., Xie Q. L., Yabsley B. D., Yamaguchi A., Yamashita Y., Yamauchi M., Ying J., Zhang J., Zhang L. M., Zhang Z. P., Zhilich V., Zontar D.

    PHYSICAL REVIEW D   73 ( 11 )   2006.06( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.73.112002

  • Measurement of Azimuthal Asymmetries in Inclusive Production of Hadron Pairs in e+e- Annihilation at Belle Reviewed

    R. Seidl, K. Hasuko, et. al. [Belle Collaboation]

    Physical Review Letters   96 ( 23 )   2006.06( ISSN:00319007

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    The Collins effect connects transverse quark spin with a measurable azimuthal dependence in the yield of hadronic fragments around the quark’s momentum vector. Using two different reconstruction methods, we find evidence of statistically significant azimuthal asymmetries for charged pion pairs in e+e- annihilation at a center-of-mass energy of 10.52Â.

    DOI: 10.1103/PhysRevLett.96.232002

  • Observation of b→dγ and determination of |Vtd/Vts| Reviewed

    D. Mohapatra, M. Nakao, S. Nishida, et. al. [Belle Collaboation]

    Physical Review Letters   96 ( 22 )   2006.06( ISSN:00319007

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    We report the observation of the flavor-changing neutral current process b→dγ using a sample of 386×106 B meson pairs accumulated by the Belle detector at the KEKB e+e- collider. We measure branching fractions for the exclusive modes B-→ρ-γ, B̄0→ρ0γ, and B̄0→ωγ. Assuming that these three modes are related by isospin, we find B(B̄→(ρ,ω)γ)=(1.32-0.31+0.34(stat)-0.09+0.10(syst)) ×10-6 with a significance of 5.1σ. This result is used to determine the ratio of Cabibbo-Kobayashi-Maskawa matrix elements |Vtd/Vts| to be 0.199-0.025+0.026(exp)-0.015+0.018(theor). © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevLett.96.221601

  • Measurement of the branching fraction, polarization, and CP asymmetry for B0→ρ+ρ- Decays, and determination of the cabibbo-kobayashi-maskawa phase 2 Reviewed

    A. Somov, A. J. Schwartz, et. al. [Belle Collaboation]

    Physical Review Letters   96 ( 17 )   2006.05( ISSN:00319007

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    We have measured the branching fraction B, longitudinal polarization fraction fL, and CP asymmetry coefficients A and S for B0→ρ+ρ- decays with the Belle detector at the KEKB e+e- collider using 253fb-1 of data. We obtain B=[22.8±3.8(stat)-2.6+2.3(syst)]×10-6, fL=0.941-0.040+0.034(stat)±0.030(syst), A=0.00±0.30(stat) ±0.09(syst), and S=0.08±0.41(stat)±0.09(syst). These values are used to constrain the Cabibbo-Kobayashi-Maskawa phase 2; the solution consistent with the standard model is 2=(88±17)° or 59°< 2<115° at 90% C.L. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevLett.96.171801

  • Search for the decay B0→γγ Reviewed

    S. Villa, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   73 ( 5 )   2006.04( ISSN:15507998

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    The rare decay B0→γγ is searched for in 104fb-1 of data, corresponding to 111×106BB̄ pairs, collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No evidence for the signal is found, and an upper limit of 6.2×10-7 at 90% confidence level is set for the corresponding branching fraction. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevD.73.051107

  • Improved constraints on D0-D̄0 mixing in D0→K+π- Decays from the Belle detector Reviewed

    L. M. Zhang, Z. P. Zhang, J. Li, et. al. [Belle Collaboation]

    Physical Review Letters   96 ( 15 )   2006.04( ISSN:00319007

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    We report the results of a search for D0-D̄0 mixing in D0→K+π- decays based on 400fb-1 of data accumulated by the Belle detector at KEKB. Both assuming CP conservation and allowing for CP violation, we fit the decay-time distribution for the mixing parameters x′ and y′, as well as for the parameter RD, the ratio of doubly Cabibbo-suppressed decays to Cabibbo-favored decays. The 95% confidence level region in the (x′2,y′) plane is obtained using a frequentist method. Assuming CP conservation, we find x′2<0.72×10-3 and -9.9×10-3<y′<6.8×10-3 at the 95% confidence level; these are the most stringent constraints on the mixing parameters to date. The no-mixing point (0,0) has a confidence level of 3.9%. Assuming no mixing, we measure RD=(0.377±0.008±0.005)%. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevLett.96.151801

  • Observation of a chi '(c2) candidate in gamma gamma -> D(D)over-bar production at Belle Reviewed

    Uehara S, Abe K, Abe K, Adachi I, Aihara H, Arinstein K, Asano Y, Aulchenko V, Aushev T, Bakich AM, Balagura V, Barberio E, Bedny I, Belous K, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Browder TE, Chang MC, Chen A, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Dalseno J, Danilov M, Dash M, Dragic J, Eidelman S, Epifanov D, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Gorisek A, Ha HC, Hayasaka K, Hayashii H, Hazumi M, Hinz L, Hoshi Y, Hou S, Iijima T, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Katayama N, Kawai H, Kawasaki T, Kichimi H, Kim HJ, Kim SM, Korpar S, Krokovny P, Kulasiri R, Kuo CC, Kuzmin A, Kwon YJ, Lange JS, Leder G, Lee SE, Lesiak T, Li J, Lin SW, Liventsev D, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyabayashi K, Miyata H, Miyazaki Y, Mizuk R, Nagamine T, Nagasaka Y, Nakano E, Nakao M, Nakazawa H, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Pakhlov P, Park CW, Park H, Pestotnik R, Piilonen LE, Poluektov A, Sakai Y, Sato N, Satoyama N, Schietinger T, Schneider O, Senyo K, Sevior ME, Shapkin M, Shibuya H, Shwartz B, Sidorov V, Singh JB, Sokolov A, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumiyoshi T, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Tian XC, Trabelsi K, Tsukamoto T, Uglov T, Ueno K, Uno S, Urquijo P, Usov Y, Varner G, Watanabe Y, Won E, Xie QL, Yabsley BD, Yamaguchi A, Yamauchi M, Ying J, Zhang CC, Zhang J, Zhang LM, Zhang ZP, Zhilich V

    PHYSICAL REVIEW LETTERS   96 ( 8 )   2006.03( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.96.082003

  • Study of B±→DCPK± and DCP*K± decays Reviewed

    K. Abe, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   73 ( 5 )   2006.03( ISSN:15507998

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    We report a study of the modes B±→DK± and B±→D*K± where D(*) decays to CP eigenstates. The data sample used contains 275×106BB̄ events at the Υ(4S) resonance collected by the Belle detector at the KEKB energy-asymmetric e+e- collider. The CP asymmetries obtained for DCPK are: A1=0.06±0.14(stat) ±0.05(sys), A2=-0.12±0.14(stat)±0.05(sys) and for DCP*K: A1*=-0.20±0.22(stat)±0.04(sys), A2*=0.13±0.30(stat)±0.08(sys). © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevD.73.051106

  • Development of event building farm for SuperKEKB Reviewed

    Ko Itoh, Hiroaki Aihara, Takeo Higuchi, Ryousuke Itoh, Masako Iwasaki, Hidekazu Kakuno, Mikihiko Nakao, Soh Yamagata Suzuki

    IEEE Transactions on Nuclear Science   53   293 - 296   2006.02( ISSN:00189499

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    For the purpose of new physics search in rare B meson decays, an upgrade of the KEKB accelerator is being planned where the luminosity becomes more than ten times higher. The trigger rate with the increased luminosity is expected to reach up to 30 kHz with the event size of ∼300 kB. A new event builder is designed to cope with the condition by modularizing the system currently used in the Belle experiment and by operating multiple units in parallel. A test bench is built to study the new design and results of performance tests are reported. © 2006 IEEE.

    DOI: 10.1109/TNS.2006.869829

  • T2K proton beam handling and failure analysis Reviewed

    M. Iwasaki

    Annual Meeting of the Division of Particles and Fields of the American Physical Society, DPF 2006, and the Annual Fall Meeting of the Japan Particle Physics Community   2006.01

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    Beam line components (magnets, monitors) are under construction / ready for the production Several simulation studies has been done 1. With the current monitor configuration, accuracy of the beam parameter measurements are Δε(x) = 4% Δε(y) = 2% Beam position at the target: 0.2mm(x) 0.2mm(y) Beam size at the target: 0.4mm(x) 0.3mm(y) 2. Estimate the tolerance of the beam line components to deliver the beam core to the target.

  • Measurement of forward-backward asymmetry and Wilson coefficients in Bâ†'K*l+l- Reviewed

    A. Ishikawa, et. al. [Belle Collaboation]

    Physical Review Letters   96 ( 25 )   2006.01( ISSN:00319007

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    We report the first measurement of the forward-backward asymmetry and the ratios of Wilson coefficients A9/A7 and A10/A7 in Bâ†' K*â.,"+â.,"-, where â.," represents an electron or a muon. We find evidence for the forward-backward asymmetry with a significance of 3.4Ï. The results are obtained from a data sample containing 386 106†â€BB pairs that were collected on the Î¥(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevLett.96.251801

  • Precision electroweak measurements on the Z resonance Reviewed

    S. Schael, et. al. [ALEPH, DELPHI, L3, OPAL, and SLD Collaborations, LEP Electroweak Working, SLD Electroweak, and SLD Heavy Flavour Groups]

    Physics Reports   427   257 - 454   2006.01( ISSN:03701573

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    © 2006 Elsevier B.V. All rights reserved. We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17 million Z decays accumulated by the ALEPH, DELPHI, L3 and OPAL experiments at LEP, and 600 thousand Z decays by the SLD experiment using a polarised beam at SLC. The measurements include cross-sections, forward-backward asymmetries and polarised asymmetries. The mass and width of the Z boson, mZ and ΓZ, and its couplings to fermions, for example the ρ parameter and the effective electroweak mixing angle for leptons, are precisely measured: mZ = 91.1875 ± 0.0021 GeV, ΓZ = 2.4952 ± 0.0023 GeV, ρl = 1.0050 ± 0.0010, sin2 θlepteff = 0.23153 ± 0.00016. The number of light neutrino species is determined to be 2.9840 ± 0.0082, in agreement with the three observed generations of fundamental fermions. The results are compared to the predictions of the Standard Model (SM). At the Z-pole, electroweak radiative corrections beyond the running of the QED and QCD coupling constants are observed with a significance of five standard deviations, and in agreement with the Standard Model. Of the many Z-pole measurements, the forward-backward asymmetry in b-quark production shows the largest difference with respect to its SM expectation, at the level of 2.8 standard deviations. Through radiative corrections evaluated in the framework of the Standard Model, the Z-pole data are also used to predict the mass of the top quark, mt = 173+13-10 GeV, and the mass of the W boson, mW = 80.363 ± 0.032 GeV. These indirect constraints are compared to the direct measurements, providing a stringent test of the SM. Using in addition the direct measurements of mt and mW, the mass of the as yet unobserved SM Higgs boson is predicted with a relative uncertainty of about 50% and found to be less than 285 GeV at 95% confidence level.

    DOI: 10.1016/j.physrep.2005.12.006

  • Observation of a near-threshold D0D̄0π0 enhancement in B→D0D̄0π0K decay Reviewed

    G. Gokhroo, G. Majumder, et. al. [Belle Collaboation]

    Physical Review Letters   97 ( 16 )   2006.01( ISSN:00319007

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    We report the first observation of a near-threshold enhancement in the D0D̄0π0 system from B→D0D̄0π0K decays using a 414fb-1 data sample collected at the Υ(4S) resonance. The enhancement peaks at a mass M=3875.2±0.7-1.6+0.3±0.8MeV/c2 and the branching fraction for events in the peak is B(B→D0D̄0π0K)=(1.22±0.31+0.23-0.30) ×10-4. The data were collected with the Belle detector at the KEKB energy-asymmetric e+e- collider. © 2006 The American Physical Society.

    DOI: 10.1103/PhysRevLett.97.162002

  • Determination of parallel to V-ub parallel to from measurements of the inclusive charmless semileptonic partial rates of B mesons using full reconstruction tags Reviewed International coauthorship

    Bizjak I, ..., Iwasaki M., 他Belle Collaboration

    PHYSICAL REVIEW LETTERS   95 ( 24 )   2005.12( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.95.241801

  • Measurements of B decays to two kaons Reviewed

    Abe K, Adachi I, Aihara H, Asano Y, Aulchenko V, Aushev T, Bakich AM, Balagura V, Banerjee S, Barberio E, Barbero M, Bay A, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang P, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Dong LY, Dragic J, Drutskoy A, Eidelman S, Enari Y, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Golob B, Gorisek A, Haba J, Hara T, Hastings NC, Hayasaka K, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Ikado K, Imoto A, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim JH, Kim SK, Kim SM, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kuo CC, Kuzmin A, Kwon YJ, Lee SE, Lesiak T, Li J, Lin SW, Liventsev D, Majumder G, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyake H, Miyata H, Miyazaki Y, Mizuk R, Mohapatra D, Moloney GR, Nagasaka Y, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nitoh O, Noguchi S, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park CW, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Rozanska M, Sakai Y, Sato N, Satoyama N, Sayeed K, Schietinger T, Schneider O, Schwartz AJ, Sevior ME, Shibuya H, Sidorov V, Somov A, Soni N, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Unno Y, Uno S, Urquijo P, Ushiroda Y, Varner G, Wang CH, Wang MZ, Watanabe Y, Won E, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Ying J, Zang SL, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zurcher D

    PHYSICAL REVIEW LETTERS   95 ( 23 )   2005.12( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.95.231802

  • Development of large-aperture hybrid photo-detector and readout system Reviewed

    Y. Kawai, H. Nakayama, A. Kusaka, H. Kakuno, T. Abe, M. Iwasaki, H. Aihara, M. Tanaka, M. Shiozawa, H. Kyushima, M. Suyama

    IEEE Nuclear Science Symposium Conference Record   2   776 - 780   2005.12( ISSN:10957863

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    We have undertaken the development of a large scale Hybrid Photo-Detector (HPD) and new readout system comprising an ASIC preamplifier, an Analog Memory Cell (AMC) and an FPGA (DSP) which, together, are intended to be the next generation water Cherenkov detector. We have fabricated a 13-inch HPD and have confirmed the S/N of ∼10 and the time resolution better than 1ns (σ) for a single photon level signal. We have made and evaluated the performance of prototypes of a bipolar process charge sensitive ASIC preamplifier and 64-depth AMC to be used in the readout system. © 2005 IEEE.

    DOI: 10.1109/NSSMIC.2005.1596371

  • Improved measurement of the electroweak penguin process B -> X(s)l(+)l(-) Reviewed International coauthorship

    Iwasaki M., Itoh K., Aihara H., 他 Belle Collaboration

    PHYSICAL REVIEW D   72 ( 9 )   092005   2005.11( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.72.092005

  • Search for D-0-(D)over-bar(0) mixing using semileptonic decays at Belle Reviewed

    Bitenc U, Abe K, Abe K, Adachi I, Aihara H, Asano Y, Aushev T, Bahinipati S, Banerjee S, Barberio E, Barbero M, Bedny I, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen A, Chen WT, Cheon BG, Chistov R, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Dong LY, Dragic J, Drutskoy A, Eidelman S, Enari Y, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Golob B, Gorisek A, Haba J, Hayasaka K, Hayashii H, Hazumi M, Hokuue T, Hoshi Y, Hou S, Hou WS, Iijima T, Ikado K, Imoto A, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim JH, Kim SM, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kuo CC, Kwon YJ, Lange JS, Leder G, Lee SE, Lesiak T, Li J, Liventsev D, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyake H, Miyata H, Miyazaki Y, Mizuk R, Mohapatra D, Moloney GR, Nagamine T, Nagasaka Y, Nakano E, Natkaniec Z, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Pakhlov P, Palka H, Park CW, Parslow N, Pestotnik R, Piilonen LE, Sakai Y, Satoyama N, Sayeed K, Schietinger T, Schneider O, Schwartz AJ, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Somov A, Soni N, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Unno Y, Uno S, Urquijo P, Varner G, Villa S, Wang CH, Wang MZ, Watanabe Y, Won E, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Ying J, Zang SL, Zhang CC, Zhang J, Zhang LM, Zhang ZP, Zhilich V

    PHYSICAL REVIEW D   72 ( 7 )   2005.10( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.72.071101

  • Time-dependent C P violation effects in partially reconstructed B-0 -> D-*-/+pi(+/-) decays Reviewed

    Gershon T, Abe K, Abe K, Adachi I, Aihara H, Asano Y, Aushev T, Bahinipati S, Bakich AM, Banerjee S, Bay A, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang MC, Chang P, Chao Y, Chen A, Chen WT, Cheon BG, Choi SK, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Dragic J, Eidelman S, Fratina S, Gabyshev N, Garmash A, Gokhroo G, Golob B, Gorisek A, Haba J, Hara K, Hastings NC, Hayasaka K, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Iijima T, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Kent N, Khan HR, Kichimi H, Kim HJ, Kim SM, Kinoshita K, Krokovny P, Kumar S, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lesiak T, Li J, Limosani A, Lin SW, Liventsev D, MacNaughton J, Majumder G, Mandl F, Marlow D, Matsumoto T, Mikami Y, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mohapatra D, Moloney GR, Nagamine T, Nakano E, Nakao M, Nakazawa H, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Pakhlov P, Palka H, Park CW, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Poluektov A, Ronga FJ, Sagawa H, Sakai Y, Sarangi TR, Sato N, Schietinger T, Schneider O, Schwanda C, Schwartz AJ, Senyo K, Sevior ME, Shibata T, Shibuya H, Singh JB, Somov A, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Uno S, Urquijo P, Ushiroda Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Watanabe M, Xie QL, Yabley BD, Yamaguchi A, Yamamoto H, Yamashita Y, Yamauchi M, Yang HY, Ying J, Zhang J, Zhang LM, Zhang ZP, Zontar D

    PHYSICS LETTERS B   624 ( 1-2 )   11 - 21   2005.09( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2005.07.020

  • Improved evidence for direct CP violation in B0 ->pi(+)pi(-) decays and model-independent constraints on phi(2) Reviewed

    Abe K, Adachi I, Aihara H, Arinstein K, Asano Y, Aushev T, Bakich AM, Ban Y, Barberio E, Barbero M, Bay A, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang P, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Cole S, Dalseno J, Dash M, Dong LY, Drutskoy A, Eidelman S, Enari Y, Fang F, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Gorisek A, Haba J, Hara K, Hara T, Hastings NC, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kakuno H, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Khan HR, Kibayashi A, Kichimi H, Kim SM, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kumar S, Kuo CC, Kusaka A, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Lin SW, MacNaughton J, Majumder G, Mandl F, Marlow D, Matyja A, Mikami Y, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mizuk R, Mohapatra D, Murakami A, Nagamine T, Nagasaka Y, Nakamura I, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Noguchi S, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park H, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Ronga FJ, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schonmeier P, Schumann J, Schwartz AJ, Senyo K, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Singh JB, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Urquijo P, Ushiroda Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe Y, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Yang HY, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zontar D, Zurcher D

    PHYSICAL REVIEW LETTERS   95 ( 10 )   2005.09( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.95.101801

  • Search for lepton flavor violating decays tau(-) -> l(-) pi(0), l (-) eta, l(-) eta ' Reviewed

    Enari Y, Sato N, Abe K, Abe K, Aihara H, Asano Y, Aulchenko V, Bahinipati S, Bakich AM, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Chang MC, Chao Y, Chen A, Chen WT, Cheon BG, Chistov R, Choi Y, Chuvikov A, Dalseno J, Dash M, Drutskoy A, Eidelman S, Epifanov D, Fang F, Fratina S, Gabyshev N, Gershon T, Gokhroo G, Golob B, Gorisek A, Haba J, Hayasaka K, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim SM, Korpar S, Krokovny P, Kumar S, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Lin SW, Liventsev D, Mandl F, Matsumoto T, Mikami Y, Mitaroff W, Miyake H, Miyata H, Mizuk R, Moloney GR, Nagamine T, Nagasaka Y, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park CW, Parslow N, Peak LS, Piilonen LE, Root N, Sagawa H, Sakai Y, Schietinger T, Schneider O, Schonmeier P, Schumann J, Senyo K, Sevior ME, Shibata T, Shibuya H, Shwartz B, Singh JB, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Tsukamoto T, Uehara S, Ueno K, Uglov T, Uno S, Urquijo P, Ushiroda Y, Varner G, Villa S, Wang CC, Wang CH, Watanabe M, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Yang H, Ying J, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zontar D

    PHYSICS LETTERS B   622 ( 3-4 )   218 - 228   2005.09( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2005.07.021

  • Observation of B--> J/psi Lambda(p)over-bar and searches for B--> J/psi Sigma(0)(p)over-bar and B-0 -> J/psi p(p)over-bar decays Reviewed

    Xie QL, Abe K, Abe K, Adachi I, Aihara H, Asano Y, Aushev T, Bahinipati S, Bakich AM, Barberio E, Barbero M, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen A, Chen WT, Cheon BG, Chistov R, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Dong LY, Drutskoy A, Eidelman S, Enari Y, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Golob B, Gorisek A, Haba J, Hayasaka K, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Ikado K, Imoto A, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim JH, Kim SM, Kinoshita K, Krokovny P, Kuo CC, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Liventsev D, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Miyazaki Y, Mizuk R, Moloney GR, Nagamine T, Nagasaka Y, Nakano E, Natkaniec Z, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park CW, Parslow N, Pestotnik R, Piilonen LE, Sakai Y, Satoyama N, Sayeed K, Schneider O, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Somov A, Soni N, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Takasaki F, Tamai K, Tanaka M, Teramoto Y, Tian XC, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Unno Y, Uno S, Urquijo P, Varner G, Varvell KE, Villa S, Wang CH, Wang MZ, Watanabe Y, Won E, Yamaguchi A, Yamashita Y, Yamauchi M, Ying J, Yuan Y, Zang SL, Zhang CC, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Ziegler T

    PHYSICAL REVIEW D   72 ( 5 )   2005.09( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.72.051105

  • Measurement of the branching fractions for B-→D(*)+π-+ -ν̄ and B0̄→D(*)0π+ -ν̄ and B Reviewed

    D. Liventsev, T. Matsumoto, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   72 ( 5 )   2005.09( ISSN:15507998

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    We report on a measurement of the branching fractions for B-→D(*)+π- -ν̄ and B0̄→D(*)0π+ -ν̄ with 275×106 BB̄ events collected at the Υ(4S) resonance with the Belle detector at KEKB. Events are tagged by fully reconstructing one of the B mesons in hadronic modes. We obtain B(B-→D+π- -ν̄)=(0.54±0.07(stat)±0.07(syst) ±0.06(BR))×10-2, B(B-→D*+π- -ν̄)=(0. 67±0.11(stat)±0.09(syst)±0.03(BR))×10-2, B(B0̄→D0π+ -ν̄)=(0.33±0.06(stat)±0.06(syst) ±0.03(BR))×10-2, B(B0̄→D*0π+ -ν̄)=(0.65±0.12(stat)±0.08(syst)±0.05(BR)) ×10-2, where the third error comes from the error on B̄→ D(*) -ν̄ decays. Contributions from B0̄→D*+- ν̄ decays are excluded in the measurement of B0̄→D0π+- ν̄. © 2005 The American Physical Society.

    DOI: 10.1103/PhysRevD.72.051109

  • Measurements of the branching fraction and polarization in B+â†Ï+K*0 decays Reviewed

    J. Zhang, et. al. [Belle Collaboation]

    Physical Review Letters   95 ( 14 )   2005.09( ISSN:00319007

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    We present the results of a study of the charmless vector-vector decay B+â†'Ï+K*0, based on 253fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We obtain the branching fraction B(B+â†'Ï+K*0)=[8.9±1. 7(stat)±1.2(syst)]Ã-10-6. We also perform a helicity analysis of the Ï and K* vector mesons, and obtain the longitudinal polarization fraction fL(B+â†'Ï+K*0)=0. 43±0.11(stat)-0.02+0.05(syst). © 2005 The American Physical Society.

    DOI: 10.1103/PhysRevLett.95.141801

  • Studies of CP violation in B -> J/psi Kappa(*) decays Reviewed

    Itoh R, Onuki Y, Abe K, Abe K, Adachi I, Aihara H, Asano Y, Aushev T, Bakich AM, Ban Y, Barberio E, Bay A, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Cole S, Dalseno J, Dash M, Dong LY, Drutskoy A, Eidelman S, Enari Y, Fang F, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Gorisek A, Haba J, Hara K, Hara T, Hayashii H, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Ishino H, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim SM, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kumar S, Kuo CC, Kusaka A, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Lin SW, Majumder G, Mandl F, Matsumoto T, Matyja A, Mikami Y, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mizuk R, Mohapatra D, Nagamine T, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park H, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Poluektov A, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schonmeier P, Schumann J, Schwartz AJ, Senyo K, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Singh JB, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Urquijo P, Ushiroda Y, Varner G, Varvell KE, Wang CC, Wang CH, Watanabe Y, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Yang H, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zontar D

    PHYSICAL REVIEW LETTERS   95 ( 9 )   2005.08( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.95.091601

  • Measurement of time-dependent CP-Violating asymmetries in B-0 ->(KsKsKs0)-K-0-K-0 decay Reviewed

    Sumisawa K, Ushiroda Y, Hazumi M, Abe K, Abe K, Adachi I, Aihara H, Asano Y, Aulchenko V, Aushev T, Bakich AM, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Drutskoy A, Eidelman S, Enari Y, Fang F, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Gorisek A, Haba J, Hara K, Hara T, Hayashii H, Higuchi T, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim HO, Kim SK, Kim SM, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kulasiri R, Kumar S, Kuo CC, Kusaka A, Kuzmin A, Kwon YJ, Lange JS, Leder G, Lesiak T, Lin SW, Mandl F, Marlow D, Matsumoto T, Matyja A, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mizuk R, Nagamine T, Nagasaka Y, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Ozaki H, Park CW, Park H, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Rozanska M, Sagawa H, Sakai Y, Sarangi TR, Sato N, Schietinger T, Schneider O, Seuster R, Sevior ME, Shibuya H, Sidorov V, Singh JB, Somov A, Stamen R, Stanic S, Staric M, Sumiyoshi T, Suzuki S, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Urquijo P, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Xie QL, Yabsley BD, Yamaguchi A, Yamamoto H, Yamashita Y, Yamauchi M, Yang HY, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zontar D

    PHYSICAL REVIEW LETTERS   95 ( 6 )   2005.08( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.95.061801

  • Observation of B+-> p(-)Lambda gamma Reviewed

    Lee YJ, Wang MZ, Abe K, Abe K, Aihara H, Asano Y, Aulchenko V, Aushev T, Bahinipati S, Bakich AM, Bedny I, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang MC, Chang P, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Drutskoy A, Eidelman S, Enari Y, Fang F, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Gorisek A, Haba J, Hayasaka K, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim SK, Kim SM, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kumar S, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Lin SW, Liventsev D, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyake H, Miyata H, Mizuk R, Moloney GR, Nagamine T, Nagasaka Y, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Olsen SL, Ostrowicz W, Ozaki H, Palka H, Park CW, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Root N, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schumann J, Senyo K, Sevior ME, Shibata T, Shibuya H, Shwartz B, Sidorov V, Singh JB, Somov A, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Urquijo P, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Watanabe M, Xie QL, Yamaguchi A, Yamashita Y, Yamauchi M, Yang H, Ying J, Zhang CC, Zhang LM, Zhang ZP, Zhilich V, Zontar D, Zurcher D

    PHYSICAL REVIEW LETTERS   95 ( 6 )   2005.08( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.95.061802

  • Measurement of |V<inf>ub</inf>| near the endpoint of the electron momentum spectrum from semileptonic B-meson decays Reviewed

    A. Limosani, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   621 ( 1-2 )   28 - 40   2005.08( ISSN:03702693

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    We report measurements of partial branching fractions of inclusive charmless semileptonic B-meson decays at the endpoint of the electron momentum spectrum. The measurements are made in six overlapping momentum intervals that have lower bounds ranging from 1.9 to 2.4 GeV/c and a common upper bound of 2.6 GeV/c, as measured in the centre of mass frame. The results are based on a sample of 29 million BB̄ pairs, accumulated by the Belle detector at the KEKB asymmetric e+e- collider operating on the Υ(4S) resonance. In the momentum interval ranging from 1.9 to 2.6 GeV/c we measure the partial branching fraction ΔB(B→Xueνe)=(8.47±0.37±1.53)×10-4, where the first error is statistical and the second is systematic. A prediction of the partial rate R=(21.69±3.62-1.98+2.18)|Vub|2 ps-1 in this momentum interval based on theory is calculated with input HQET parameters that have been derived from Belle's measurement of the B→Xsγ photon energy spectrum, where the first error is due to the uncertainty on HQET parameters and the second error is from theory. Using both ΔB(B→Xueνe) and R we find |V ub|=(5.08±0.47±0.42-0.23+0.26)×10-3, where the first error is from the partial branching fraction, and the second and third errors are from uncertainties in R. © 2005 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2005.06.011

  • Measurement of γγ → pp̄ production at Belle Reviewed

    C. C. Kuo, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   621 ( 1-2 )   41 - 55   2005.08( ISSN:03702693

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    A high precision study of the process γγ→pp̄ has been performed using a data sample of 89 fb-1 collected with the Belle detector at the KEKB e+e- collider. The cross section of pp̄ production has been measured at two-photon center-of-mass (c.m.) energies between 2.025 and 4.0 GeV and in the c.m. angular range of |cosθ*|<0.6. Production of γγ→ηc→pp̄ is observed and the product of the two-photon width of the ηc and its branching ratio to pp̄ is determined. © 2005 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2005.06.036

  • Evidence for B-0 -> D+D- and observation of B-->(DD-)-D-0 and B-->(DD*-)-D-0 decays Reviewed

    Majumder G, Abe K, Abe K, Adachi I, Aihara H, Asano Y, Aulchenko V, Aushev T, Bahinipati S, Bakich AM, Banerjee S, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang MC, Chang P, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Drutskoy A, Eidelman S, Enari Y, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Golob B, Gorisek A, Haba J, Hara T, Hastings NC, Hayasaka K, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Kang JH, Kang JS, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim SK, Kim SM, Krizan P, Krokovny P, Kulasiri R, Kumar S, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Lin SW, Liventsev D, MacNaughton J, Mandl F, Matsumoto T, Matyja A, Mikami Y, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mizuk R, Mohapatra D, Moloney GR, Nagamine T, Nagasaka Y, Nakamura I, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Palka H, Park CW, Park H, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schonmeier P, Schumann J, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Singh JB, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Urquijo P, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe Y, Xie QL, Yamaguchi A, Yamashita Y, Yamauchi M, Yang H, Ying J, Zhang CC, Zhang LM, Zhang ZP, Zhilich V, Zontar D

    PHYSICAL REVIEW LETTERS   95 ( 4 )   2005.07( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.95.041803

  • Branching fraction, polarization and C P-violating asymmetries in B-0 -> D*D+*(-) decays Reviewed

    Miyake H, Hazumi M, Abe K, Abe K, Aihara H, Asano Y, Aulchenko V, Aushev T, Aziz T, Bahinipati S, Bakich AM, Balagura V, Ban Y, Banerjee S, Bay A, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen A, Chen KF, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Dalseno J, Danilov M, Dash M, Dong LY, Dragic J, Drutskoy A, Eidelman S, Eiges V, Enari Y, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Haba J, Hara K, Hara T, Hastings NC, Hayasaka K, Hayashii H, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim JH, Kim SK, Kim SM, Kinoshita K, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kulasiri R, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Lin SW, Liventsev D, Majumder G, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyabayashi K, Miyata H, Mizuk R, Mohapatra D, Mori T, Nagamine T, Nagasaka Y, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park H, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schonmeier P, Schumann J, Schwanda C, Schwartz AJ, Senyo K, Seuster R, Sevior ME, Shibuya H, Singh JB, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumiyoshi T, Suzuki S, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Trabelsi K, Tsukamoto T, Uehara S, Ueno K, Uglov T, Uno S, Ushiroda Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe A, Watanabe Y, Yamaguchi A, Yamamoto H, Yamanaka T, Yamashita Y, Yamauchi A, Ying J, Yusa Y, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zontar D

    PHYSICS LETTERS B   618 ( 1-4 )   34 - 42   2005.07( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2005.05.052

  • Time-dependent CP-violating asymmetries in b -> s(q)over-barq transitions Reviewed

    Chen KF, Fang F, Garmash A, Hara K, Hazumi M, Higuchi T, Kakuno H, Kusaka A, Shibata T, Tajima O, Trabelsi K, Ziegler T, Abe K, Abe K, Aihara H, Asano Y, Aushev T, Bahinipati S, Bakich AM, Ban Y, Barberio E, Barbero M, Bay A, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang P, Chao Y, Chen A, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Dalseno J, Danilov M, Dash M, Dong LY, Drutskoy A, Eidelman S, Enari Y, Fratina S, Gabyshev N, Gershon T, Gokhroo G, Golob B, Gorisek A, Haba J, Hara T, Hayashii H, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim SM, Kinoshita K, Korpar S, Krizan P, Krokovny P, Kumar S, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Lin SW, Liventsev D, Majumder G, Mandl F, Marlow D, Matsumoto T, Matyja A, Mikami Y, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mizuk R, Nagamine T, Nagasaka Y, Nakamura I, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nitoh O, Noguchi S, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Pakhlov P, Palka H, Park CW, Park H, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Rozanska M, Sagawa H, Sakai Y, Sarangi TR, Sato N, Schietinger T, Schneider O, Schonmeier P, Schumann J, Schwanda C, Schwartz AJ, Senyo K, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Suzuki SY, Takasaki F, Tamura N, Tanaka M, Teramoto Y, Tian XC, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Urquijo P, Ushiroda Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe Y, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Yang H, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zontar D

    PHYSICAL REVIEW D   72 ( 1 )   2005.07( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.72.012004

  • Search for the b -> d gamma process Reviewed

    Mohapatra D, Nakao M, Yabsley BD, Abe K, Abe K, Aihara H, Arinstein K, Asano Y, Aushev T, Aziz T, Bahinipati S, Bakich AM, Barberio E, Barbero M, Bedny I, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen A, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Chuvikov A, Dalseno J, Danilov M, Dash M, Dragic J, Eidelman S, Gershon T, Gokhroo G, Golob B, Gorisek A, Hara T, Hayasaka K, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Ikado K, Imoto A, Inami K, Ishikawa A, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kawai H, Kawasaki T, Khan HR, Kim HJ, Kim SM, Kinoshita K, Krizan P, Krokovny P, Kulasiri R, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Limosani A, Lin SW, Liventsev D, Majumder G, Mandl F, Matyja A, Mikami Y, Mitaroff W, Miyata H, Moloney GR, Nagamine T, Nagasaka Y, Nakano E, Nakazawa H, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Ozaki H, Pakhlov P, Park H, Pestotnik R, Piilonen LE, Sakai Y, Sarangi TR, Sato N, Satoyama N, Schietinger T, Schneider O, Schumann J, Schwartz AJ, Senyo K, Sevior ME, Shibuya H, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumiyoshi T, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Trabelsi K, Uehara S, Uglov T, Ueno K, Uno S, Varner G, Villa S, Wang CC, Wang CH, Watanabe Y, Xie QL, Yamashita Y, Yamauchi M, Yang HY, Ying J, Zhang CC, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zurcher D

    PHYSICAL REVIEW D   72 ( 1 )   2005.07( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.72.011101

  • Measurement of masses and branching ratios of Xi(+)(c) and Xi(0)(c) baryons (vol 605, pg 237, 2004) Reviewed

    Lesiak T, Abe K, Abe K, Adachi I, Aihara H, Asano Y, Bahinipati S, Bakich AM, Bay A, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen A, Cheon BG, Chistov R, Choi SK, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Eidelman S, Eiges V, Fratina S, Gabyshev N, Garmash A, Gershon T, Go A, Gokhroo G, Haba J, Hayasaka K, Hazumi M, Hinz L, Hoshi Y, Hou S, Hou WS, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Kang JH, Kang JS, Katayama N, Kawai H, Kawasaki T, Khan HR, Kinoshita K, Korpar S, Krokovny P, Kumar S, Kuo CC, Kuzmin A, Kwon YJ, Lange JS, Leder G, Lin SW, MacNaughton J, Majumder G, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyata H, Moloney GR, Nagamine T, Nagasaka Y, Nakadaira T, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Park H, Park KS, Parslow N, Peak LS, Piilonen LE, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Semenov S, Shibuya H, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumiyoshi T, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tsuboyama T, Tsukamoto T, Uehara S, Ueno K, Uno S, Ushiroda Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Ying J, Yusa Y, Zhang CC, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zontar D

    PHYSICS LETTERS B   617 ( 3-4 )   198 - 200   2005.06( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2005.05.014

  • Study of the baryon-antibaryon low-mass enhancements in charmless three-body baryonic B decays Reviewed

    M. Z. Wang, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   617 ( 3-4 )   141 - 149   2005.06( ISSN:03702693

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    The angular distributions of the baryon-antibaryon low-mass enhancements seen in the charmless three-body baryonic B decays B +→pp̄ K +, B 0→pp̄K S0 and B 0→pΛ̄π - are reported. A quark fragmentation interpretation is supported, while the gluonic resonance picture is disfavored. Searches for the Θ + and Θ ++ pentaquarks in the relevant decay modes and possible glueball states G with 2.2 GeV/c 2<M pp̄<2.4 GeV/c 2 in the pp̄ systems give null results. We set upper limits on the products of branching fractions, Β(B 0→Θ +p̄) Β(Θ +→pK S0)<2.3×10 -7, Β(B +→Θ ++p̄) Β(Θ ++→pK +)<9.1×10 -8, and Β(B +→GK +)B(G→pp̄)<4. 1×10 -7 at the 90% confidence level. The analysis is based on a 140 fb -1 data sample recorded on the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e +e - collider. © 2005 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2005.05.008

  • Measurement of the branching ratios of the Z(0) into heavy quarks Reviewed

    K Abe, K Abe, T Abe, Adam, I, H Akimoto, D Aston, KG Baird, C Baltay, HR Band, TL Barklow, JM Bauer, G Bellodi, R Berger, G Blaylock, Bogart, JR, GR Bower, JE Brau, M Breidenbach, WM Bugg, D Burke, TH Burnett, PN Burrows, A Calcaterra, R Cassell, A Chou, HO Cohn, JA Coller, MR Convery, Cook, V, RF Cowan, G Crawford, CJS Damerell, M Daoudi, N de Groot, R de Sangro, DN Dong, M Doser, R Dubois, Erofeeva, I, Eschenburg, V, E Etzion, S Fahey, D Falciai, JP Fernandez, K Flood, R Frey, EL Hart, K Hasuko, SS Hertzbach, ME Huffer, Huynh, X, M Iwasaki, DJ Jackson, P Jacques, JA Jaros, ZY Jiang, AS Johnson, Johnson, JR, R Kajikawa, M Kalelkar, HJ Kang, RR Kofler, RS Kroeger, M Langston, DWG Leith, Lia, V, C Lin, G Mancinelli, S Manly, G Mantovani, TW Markiewicz, T Maruyama, AK McKemey, R Messner, KC Moffeit, TB Moore, M Morii, D Muller, Murzin, V, S Narita, U Nauenberg, H Neal, G Nesom, N Oishi, D Onoprienko, LS Osborne, RS Panvini, CH Park, Peruzzi, I, M Piccolo, L Piemontese, RJ Plano, R Prepost, CY Prescott, BN Ratcliff, J Reidy, PL Reinertsen, LS Rochester, PC Rowson, JJ Russell, OH Saxton, T Schalk, BA Schumm, J Schwiening, VV Serbo, G Shapiro, NB Sinev, JA Snyder, H Staengle, A Stahl, P Stamer, H Steiner, D Su, F Suekane, A Sugiyama, A Suzuki, M Swartz, FE Taylor, J Thom, E Torrence, T Usher, J Va'vra, R Verdier, DL Wagner, AP Waite, S Walston, AW Weidemann, ER Weiss, JS Whitaker, SH Williams, S Willocq, RJ Wilson, WJ Wisniewski, JL Wittlin, M Woods, TR Wright, RK Yamamoto, J Yashima, SJ Yellin, CC Young, H Yuta

    AMER PHYSICAL SOC PHYSICAL REVIEW D   71 ( 11 )   2005.06( ISSN:2470-0010

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    We measure the hadronic branching ratios of the Z(0) boson into heavy quarks: R-b=Gamma(0)(Z)(-&gt; b (b) over bar)/Gamma(0)(Z)(-&gt; hadrons) and R-c=Gamma(0)(Z)(-&gt; c (c) over bar)/Gamma(0)(Z)(-&gt; hadrons) using a multitag technique. The measurement was performed using about 400 000 hadronic Z(0) events recorded in the SLC Large Detector experiment at SLAC between 1996 and 1998. The small and stable SLAC Linear Collider beam spot and the CCD-based vertex detector were used to reconstruct bottom and charm hadron decay vertices with high efficiency and purity, which enables us to measure most efficiencies from data. We obtain, R-b=0.21604 +/- 0.00098(stat.)+/- 0.00073(syst.)-/+ 0.00012(R-c) and, R-c=0.1744 +/- 0.0031(stat.)+/- 0.0020(syst.)-/+ 0.0006(R-b).

    DOI: 10.1103/PhysRevD71.112004

  • Measurement of the time-dependent CP-violating asymmetry in BO→KSOπOγ decays Reviewed

    Y. Ushiroda, K. Sumisawa, M. Hazumi, et. al. [Belle Collaboation]

    Physical Review Letters   94 ( 23 )   2005.06( ISSN:00319007

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    We present a new measurement of CP-violation parameters in B0→KS0π0γ decay based on a sample of 275×106 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider. One of the B mesons is fully reconstructed in the B0→KS0π0γ decay. The flavor of the accompanying B meson is identified from its decay products. CP-violation parameters are obtained from the asymmetry in the distribution of the proper time intervals between the two B decays. We obtain SKS0π0γ=-0.58-0.38+0.46(stat)±0.11(syst) and AKS0π0γ=+0.03±0.34(stat)±0.11(syst), for the KS0π0 invariant mass covering the full range up to 1.8GeV/c2. We also measure the CP-violation parameters for the case B0→K*0(→KS0π0)γ and obtain SK*0γ=-0.79-0.50+0.63(stat)±0.10(syst) for AK*0γ fixed at 0. © 2005 The American Physical Society.

    DOI: 10.1103/PhysRevLett.94.231601

  • Measurement of the branching ratios of the Z0 into heavy quarks Reviewed

    K. Abe, et. al. [SLD Collaboration]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   71   2005.06( ISSN:15507998

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    We measure the hadronic branching ratios of the Z0 boson into heavy quarks: Rb=ΓZ0→bb̄/ΓZ0→hadrons and Rc= ΓZ0→cc̄/ΓZ0→hadrons using a multitag technique. The measurement was performed using about 400000 hadronic Z0 events recorded in the SLC Large Detector experiment at SLAC between 1996 and 1998. The small and stable SLAC Linear Collider beam spot and the CCD-based vertex detector were used to reconstruct bottom and charm hadron decay vertices with high efficiency and purity, which enables us to measure most efficiencies from data. We obtain, Rb=0.21604±0.00098(stat.)±0.00073(syst.)0.00012(Rc) and, Rc=0.1744±0.0031(stat.)±0.0020(syst.)0.0006(Rb). © 2005 The American Physical Society.

    DOI: 10.1103/PhysRevD.71.112004

  • Measurement of polarization and triple-product correlations in B→K* decays Reviewed

    K. F. Chen, et. al. [Belle Collaboation]

    Physical Review Letters   94 ( 22 )   2005.06( ISSN:00319007

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    We present measurements of decay amplitudes and triple-product correlations in B→K* decays based on 253fb-1 of data recorded at the Υ(4S) resonance with the Belle detector at the KEKB e+e- storage ring. The decay amplitudes for the three different helicity states are determined from the angular distributions of final-state particles. The longitudinal polarization amplitudes are found to be 0.45±0.05±0.02 for B0→K*0 and 0.52±0.08±0.03 for B+→K*+ decays. CP- and T-odd CP-violating triple-product asymmetries are measured to be consistent with zero. © 2005 The American Physical Society.

    DOI: 10.1103/PhysRevLett.94.221804

  • Dalitz analysis of the three-body charmless decays B+-> K+pi(+)pi(-) and B+-> K+K+K- Reviewed International coauthorship

    Garmash A, ..., Iwasaki M., 他Belle Collaboration

    PHYSICAL REVIEW D   71 ( 9 )   2005.05( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.71.092003

  • Search for B0→J/ψD̄0 and B+→J/ψD̄0π+ decays Reviewed

    L. M. Zhang, Z. P. Zhang, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   71 ( 9 )   1 - 6   2005.05( ISSN:15507998

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    We report the results of a search for the decay modes B0→J/ ψD̄0 and B+→J/ψD̄0π+. The analysis is based on 140fb-1 of data accumulated by the Belle detector at the KEKB asymmetric-energy e+e- collider. No significant signals are observed and we determine the branching fraction upper limits B(B0→J/ψD̄0)<2.0×10-5 and B(B+→J/ψD̄0π+)<2.5×10-5 at 90% confidence level. These results rule out the explanation of the excess in the low momentum region of the inclusive J/ψ spectrum as intrinsic charm content in the B meson. The branching fractions of the corresponding nonresonant decay channels are also reported. © 2005 The American Physical Society.

    DOI: 10.1103/PhysRevD.71.091107

  • Observation of B0→π0π0 Reviewed

    Y. Chao, P. Chang, et. al. [Belle Collaboation]

    Physical Review Letters   94 ( 18 )   2005.05( ISSN:00319007

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    We report the observation of the decay B0→π0π0, using a 253fb-1 data sample collected at the Υ(4S) resonance with the Belle detector at the KEKB e+e- collider. The measured branching fraction is B(B0→π0π0)= (2.3-0.5-0.3+0.4+0.2)×10-6, with a significance of 5.8 standard deviations including systematic uncertainties. We also make a measurement of the direct CP violating asymmetry in this mode. © 2005 The American Physical Society.

    DOI: 10.1103/PhysRevLett.94.181803

  • Observation of a near-threshold ωj/ψ mass enhancement in exclusive B→KωJ/ψ decays Reviewed

    S. K. Choi, S. L. Olsen, et. al. [Belle Collaboation]

    Physical Review Letters   94 ( 18 )   2005.05( ISSN:00319007

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    We report the observation of a near-threshold enhancement in the ωJ/ψ invariant mass distribution for exclusive B→KωJ/ψ decays. The results are obtained from a 253fb-1 data sample that contains 275×106 BB̄ pairs that were collected near the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. The statistical significance of the ωJ/ψ mass enhancement is estimated to be greater than 8σ. © 2005 The American Physical Society.

    DOI: 10.1103/PhysRevLett.94.182002

  • Measurements of branching fractions and CP asymmetries in B→ηh decays Reviewed

    P. Chang, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   71 ( 9 )   1 - 6   2005.05( ISSN:15507998

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    We report measurements of B to pseudoscalar-pseudoscalar decays with at least one η meson in the final state using 140fb-1 of data collected by the Belle detector at KEKB e+e- collider. We observe the decay B+→ηπ+ and find evidence of B+→ηK+; the measured branching fractions are B(B+→ηπ+)=(4.8-0.7+0.8(stat)±0.3(sys))×10-6 and B(B+→ηK+)=(2.1±0.6(stat)±0.2(sys))×10-6. Their corresponding CP violating asymmetries are measured to be 0.07±0.15(stat) ±0.03(sys) for ηπ± and -0.49±0.31(stat)±0. 07(sys) for ηK±. No significant signals are found for neutral B→ηh decays. We report the following upper limits on branching fractions at the 90% confidence level: B(B0→ηK0)<2.0×10-6, B(B0→ηπ0)<2.5×10-6 and B(B0→ηη)<2. 0×10-6. © 2005 The American Physical Society.

    DOI: 10.1103/PhysRevD.71.091106

  • Measurement of the γγ → π+π- and γγ → K+K- processes at energies of 2.4-4.1 GeV Reviewed

    H. Nakazawa, S. Uehara, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   615 ( 1-2 )   39 - 49   2005.05( ISSN:03702693

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    We have measured π+π- and K+K - production in two-photon collisions using 87.7fb-1 of data collected with the Belle detector at the asymmetric energy e +e- collider KEKB. The cross sections are measured to high precision in the two-photon center-of-mass energy (W) range between 2.4GeV<W<4.1GeV and angular region |cosθ*|<0.6. The cross section ratio σ(γγ→K+K-)/ σ(γγ→π+π-) is measured to be 0.89±0.04(stat.)±0.15(syst.) in the range of 3.0GeV<W<4. 1GeV, where the ratio is energy-independent. We observe a sin -4θ* behavior of the cross section in the same W range. Production of χc0 and χc2 mesons is observed in both γγ→π+π- and γγ→K+K- modes. © 2005 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2005.03.067

  • Search for B-0 -> p(p)over-bar, B-0 -> Lambda(Lambda)over-bar, and B+ -> p(Lambda)over-bar at Belle Reviewed

    Chang MC, Abe K, Abe K, Adachi I, Aihara H, Asano Y, Aushev T, Bahinipati S, Bakich AM, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang P, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Drutskoy A, Eidelman S, Enari Y, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Golob B, Gorisek A, Haba J, Hara T, Hayasaka K, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Kang JH, Kang JS, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim SK, Kim SM, Krizan P, Krokovny P, Kulasiri R, Kumar S, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lee YJ, Lesiak T, Li J, Lin SW, Liventsev D, MacNaughton J, Majumder G, Mandl F, Matsumoto T, Matyja A, Mikami Y, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mizuk R, Mohapatra D, Moloney GR, Nagamine T, Nagasaka Y, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Palka H, Park CW, Park H, Parslow N, Peak LS, Pestotnik R, Peters M, Piilonen LE, Root N, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schonmeier P, Schumann J, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Singh JB, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Urquijo P, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe Y, Xie QL, Yabsley BD, Yamaguchi A, Yamamoto H, Yamashita Y, Yamauchi M, Ying J, Zhang CC, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zontar D

    PHYSICAL REVIEW D   71 ( 7 )   2005.04( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.71.072007

  • Search for τ → eγ decay at Belle Reviewed

    K. Hayasaka, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   613   20 - 28   2005.04( ISSN:03702693

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    We have searched for the lepton-flavor-violating decay τ→eγ using a data sample of 86.7 fb-1 collected with the Belle detector at the KEKB asymmetric e+e- collider. No evidence for a signal is obtained, and we set an upper limit for the branching fraction B(τ→eγ)<3.9×10-7 at the 90% C.L. © 2005 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2005.03.028

  • Observation of an isotriplet of excited charmed baryons decaying to Λ <inf>c</inf>+ π Reviewed

    R. Mizuk, et. al. [Belle Collaboation]

    Physical Review Letters   94 ( 12 )   2005.04( ISSN:00319007

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    We report the observation of an isotriplet of excited charmed baryons, decaying into Λ c+ π -, Λ c+ π 0, and Λ c+π +. We measure the mass differences M(Λ c+ π) -M(Λ c+) and widths to be 515.4 -3.1-6.0+3.2+2.1 MeV/c 2, 61 -13-13+18+22 MeV for the neutral state; 505.4 -4.6-2.0+5.8+12.4 MeV/c 2, 62 -23-38+37+52 MeV for the charged state; and 514.5 -3.1-4.9+3.4+2.8 MeV/c 2, 75 -13-11+18+12 MeV for the doubly charged state, where the uncertainties are statistical and systematic, respectively. These results are obtained from a 281 fb -1 data sample collected with the Belle detector near the υ(4S) resonance, at the KEKB asymmetric energy e +e - collider. © 2005 The American Physical Society Nova Gorica Polytechnic, Nova Gorica.

    DOI: 10.1103/PhysRevLett.94.122002

  • Study of the suppressed decays B-->[K+pi(-)](D)K- and B-->[K+pi(-)](D)pi(-) - art. no. 09160 Reviewed

    Saigo M, Abe K, Abe K, Aihara H, Akatsu M, Asano Y, Aulchenko V, Aushev T, Bahinipati S, Bakich AM, Ban Y, Banerjee S, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Dong LY, Drutskoy A, Eidelman S, Eiges V, Enari Y, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Haba J, Hayasaka K, Hayashii H, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Kent N, Khan HR, Kichimi H, Kim HJ, Kim SK, Kim SM, Kinoshita K, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kulasiri R, Kuo CC, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lesiak T, Li J, Lin SW, Liventsev D, MacNaughton J, Majumder G, Mandl F, Marlow D, Matsumoto T, Matyja A, Mikami Y, Mitaroff W, Miyake H, Mizuk R, Mohapatra D, Mori T, Nagasaka Y, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park H, Park KS, Parslow N, Peak LS, Pestotnik R, Piilonen LE, Poluektov A, Ronga FJ, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schonmeier P, Schumann J, Schwartz AJ, Semenov S, Seuster R, Sevior ME, Shibuya H, Singh JB, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumiyoshi T, Suzuki S, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Trabelsi K, Tsukamoto T, Uehara S, Uglov T, Uno S, Ushiroda Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe M, Watanabe Y, Yamaguchi A, Yamamoto H, Yamashita Y, Yamauchi M, Yusa Y, Zhang LM, Zhang ZP, Zhilich V, Zontar D, Zurcher D

    PHYSICAL REVIEW LETTERS   94 ( 9 )   2005.03( ISSN:0031-9007

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    DOI: 10.1103/PhyRevLett.94.091601

  • Study of the suppressed decays B - → [K +π -] <inf>D</inf>K - and B - → [K +π -] <inf>D</inf>π - Reviewed

    M. Saigo, et. al. [Belle Collaboation]

    Physical Review Letters   94   2005.03( ISSN:00319007

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    We report a study of the suppressed decays B - → [K +π -] DK - and B - → [K +π -] Dπ -, where [K +π -] D indicates that the K +π - pair originates from a neutral D meson. These decay modes are sensitive to the unitarity triangle angle φ 3. We use a data sample containing 275 × 10 6 BB̄ pairs recorded at the Y(4S) resonance with the Belle detector at the KEKB asymmetric e +e - storage ring. The signal for B - → [K +π -] DK - is not statistically significant, and we set a limit r B < 0.27 at 90% confidence level, where r B is the magnitude of the ratio of amplitudes |A(B - → D̄ 0K -)/A(B - → D 0K -)|. We observe a signal with 6.4σ statistical significance in the related mode, B - → [K +π -] Dπ -. © 2005 The American Physical Society.

    DOI: 10.1103/PhysRevLett.94.091601

  • Direct measurements of a<inf>b</inf> and a<inf>c</inf> using vertex and kaon charge tags at the SLAC detector Reviewed

    K. Abe, et. al. [SLD Collaboration]

    Physical Review Letters   94   2005.03( ISSN:00319007

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    Exploiting the manipulation of the SLAC Linear Collider electron-beam polarization, we present precise direct measurements of the parity-violation parameters Ac and Ab in the Z-boson-c-quark and Z-boson-b-quark coupling. Quark-antiquark discrimination is accomplished via a unique algorithm that takes advantage of the precise SLAC Large Detector charge coupled device vertex detector, employing the net charge of displaced vertices as well as the charge of kaons that emanate from those vertices. From the 1996-1998 sample of 400000 Z decays, produced with an average beam polarization of 73.4%, we find Ac = 0.673 ± 0.029(stat) ± 0.023(syst) and Ab = 0.919 ± 0.018(stat) ± 0.017(syst). © 2005 The American Physical Society.

    DOI: 10.1103/PhysRevLett.94.091801

  • Observation of B+→K+ηγ Reviewed

    S. Nishida, et. al. [Belle Collaboation]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   610 ( 1-2 )   23 - 30   2005.03( ISSN:03702693

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    We report measurements of radiative B decays with Kηγ final states, using a data sample of 253 fb-1 recorded at the Υ(4S) resonance with the Belle detector at the KEKB e+e- storage ring. We observe B+→K+ηγ for the first time with a branching fraction of (8.4±1.5(stat)-0.9+1.2(syst))×10-6 for MKη<2.4 GeV/c2, and find evidence of B0→K 0ηγ. We also search for B→K3*(1780) γ. © 2005 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2005.01.097

  • Search for D-0-D-0(-) mixing in D-0 -> K+pi(-) decays and measurement of the doubly-Cabibbo-suppressed decay rate Reviewed

    Li J, Zhang ZP, Schwartz AJ, Abe K, Abe K, Aihara H, Akatsu M, Asano Y, Aushev T, Bakich AM, Bay A, Bedny I, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Dong LY, Drutskoy A, Eidelman S, Eiges V, Enari Y, Fang F, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Haba J, Hayasaka K, Hayashii H, Hazumi M, Higuchi T, Hokuue T, Hoshi H, Hou S, Hou WS, Iijima T, Imoto A, Inami K, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kim JH, Kim SK, Kinoshita K, Krokovny P, Kulasiri R, Kuo CC, Kwon YJ, Lange LS, Leder G, Lee SH, Lesiak T, Limosani A, Lin SW, Liventsev D, MacNaughton J, Majumder G, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyata H, Mizuk R, Mohapatra D, Mori T, Nagamine T, Nagasaka Y, Nakadaira T, Nakano E, Nishida S, Nitoh O, Ogawa S, Ohshima T, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park H, Parslow N, Peak LS, Piilonen LE, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schonmeier P, Schumann J, Schwanda C, Semenov S, Senyo K, Sevior ME, Shibuya H, Sidorov V, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumiyoshi T, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tian XC, Tsuboyama T, Uglov T, Ueno K, Uno S, Varner G, Villa S, Wang CC, Wang CH, Yabsley BD, Yamaguchi A, Yamamoto H, Yamashita Y, Yang HY, Ying J, Yuan Y, Yusa Y, Zang SL, Zhang CC, Zhang J, Zhang LM, Zheng Z, Zontar D

    PHYSICAL REVIEW LETTERS   94 ( 7 )   2005.02( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.94.071801

  • Observation of (B)over-bar(0) -> D-sJ(*) (2317)K-+(-) decay Reviewed

    Drutskoy A, Abe K, Abe K, Adachi I, Aihara H, Akatsu M, Asano Y, Aushev T, Bahinipati S, Bakich AM, Bay A, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang P, Chao Y, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Eidelman S, Eiges V, Enari Y, Fang F, Fratina S, Gabyshev N, Gershon T, Go A, Gokhroo G, Golob B, Hayasaka K, Hayashii H, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Imoto A, Inami K, Ishikawa A, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim JH, Kim SK, Kim SM, Kinoshita K, Koppenburg P, Krizan P, Krokovny P, Kulasiri R, Kuo CC, Kuzmin A, Kwon YJ, Lange JS, Lee SH, Lesiak T, Li J, Lin SW, Liventsev D, MacNaughton J, Majumder G, Mandl F, Matsumoto T, Matyja A, Mikami Y, Mitaroff W, Miyata H, Mizuk R, Mohapatra D, Mori T, Nagamine T, Nagasaka Y, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park CW, Park H, Parslow N, Pestotnik R, Piilonen LE, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schonmeier P, Schumann J, Schwartz AJ, Semenov S, Senyo K, Seuster R, Shibuya H, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Suzuki SY, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tian XC, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe M, Yabsley BD, Yamaguchi A, Yamashita Y, Yamauchi M, Ying J, Zhang CC, Zhang LM, Zhang ZP, Zhilich V, Zontar D

    PHYSICAL REVIEW LETTERS   94 ( 6 )   2005.02( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.94.061802

  • Measurement of the branching fraction and CP asymmetry in B+->rho(+)pi(0) Reviewed

    Zhang J, Abe K, Abe K, Abe T, Aihara H, Asano Y, Aulchenko V, Aushev T, Aziz T, Bahinipati S, Bakich AM, Bay A, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Browder TE, Chang P, Chao Y, Chen KF, Cheon BG, Chistov R, Choi SK, Choi Y, Chuvikov A, Danilov M, Dash M, Dong LY, Dragic J, Drutskoy A, Eidelman S, Eiges V, Enari Y, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Hayashii H, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki H, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim JH, Kim TH, Kinoshita K, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kumar S, Kuzmin A, Kwon YJ, Leder G, Lee SE, Lee SH, Lesiak T, Li J, Limosani A, Lin SW, MacNaughton J, Majumder G, Mandl F, Matsumoto T, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mizuk R, Mohapatra D, Moloney GR, Mori T, Nagamine T, Nagasaka Y, Nakao M, Nishida S, Nitoh O, Nozaki T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Park CW, Park H, Parslow N, Piilonen LE, Ronga FJ, Rozanska M, Sagawa H, Sakai Y, Sarangi TR, Schneider O, Schumann J, Schwartz AJ, Semenov S, Senyo K, Sevior ME, Shibuya H, Shwartz B, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Tajima O, Takasaki F, Tamai K, Tanaka M, Taylor GN, Teramoto Y, Tomura T, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe M, Watanabe Y, Yabsley BD, Yamada Y, Yamaguchi A, Yamashita Y, Yamauchi M, Yang HY, Ying J, Yusa Y, Zang SL, Zhang CC, Zhang ZP, Zhilich V, Ziegler T, Zontar D

    PHYSICAL REVIEW LETTERS   94 ( 3 )   2005.01( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.94.031801

  • Measurement of masses and branching ratios of Xi(+)(c) and Xi(0)(c) baryons Reviewed

    Lesiak T, Abe K, Abe K, Adachi I, Aihara H, Asano Y, Bahinipati S, Bakich AM, Bay A, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen A, Cheon BG, Chistov R, Choi SK, Choi Y, Chuvikov A, Cole S, Dalseno J, Danilov M, Dash M, Eidelman S, Eiges V, Fratina S, Gabyshev N, Garmash A, Gershon T, Go A, Gokhroo G, Haba J, Hayasaka K, Hazumi M, Hinz L, Hoshi Y, Hou S, Hou WS, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Kang JH, Kang JS, Katayama N, Kawai H, Kawasaki T, Khan HR, Kinoshita K, Korpar S, Krokovny P, Kumar S, Kuo CC, Kuzmin A, Kwon YJ, Lange JS, Leder G, Lin SW, MacNaughton J, Majumder G, Mandl E, Matsumoto T, Matyja A, Mitaroff W, Miyata H, Moloney GR, Nagamine T, Nagasaka Y, Nakadaira T, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Park H, Park KS, Parslow N, Peak LS, Piilonen LE, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Semenov S, Shibuya H, Somov A, Soni N, Stamen R, Stani S, Staric M, Sumiyoshi T, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tsuboyama T, Tsukamoto T, Uehara S, Ueno K, Uno S, Ushiroda Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Xie QL, Yabsley BD, Yamaguchi A, Yamashita Y, Ying J, Yusa Y, Zhang CC, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zontar D

    PHYSICS LETTERS B   605 ( 3-4 )   237 - 246   2005.01( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2004.11.038

  • Detector concepts Reviewed

    Gerald Aarons, Toshinori Abe, Jason Abernathy, Medina Ablikim, Halina Abramowicz, David Adey, Catherine Adloff, Chris Adolphsen, Konstantin Afanaciev, Ilya Agapov, Jung Keun Ahn, Hiroaki Aihara, Mitsuo Akemoto, Maria Del CarmenAlabau, Justin Albert, Hartwig Albrecht, Michael Albrecht, David Alesini, Gideon Alexander, Jim Alexander, Wade Allison, John Amann, Ramila Amirikas, Qi An, Shozo Anami, B. Ananthanarayan, Terry Anderson, Ladislav Andricek, Marc Anduze, Michael Anerella, Nikolai Anfimov, Deepa Angal-Kalinin, Sergei Antipov, Claire Antoine, Mayumi Aoki, Atsushi Aoza, Steve Aplin, Rob Appleby, Yasuo Arai, Sakae Araki, Tug Arkan, Ned Arnold, Ray Arnold, Richard Arnowitt, Xavier Artru, Kunal Arya, Alexander Aryshev, Eri Asakawa, Fred Asiri, David Asner, Muzaffer Atac, Grigor Atoian, David Attié, Jean Eudes Augustin, David B. Augustine, Bradley Ayres, Tariq Aziz, Derek Baars, Frederique Badaud, Nigel Baddams, Jonathan Bagger, Sha Bai, David Bailey, Ian R. Bailey, David Baker, Nikolai I. Balalykin, Juan Pablo Balbuena, Jean Luc Baldy, Markus Ball, Maurice Ball, Alessandro Ballestrero, Jamie Ballin, Charles Baltay, Philip Bambade, Syuichi Ban, Henry Band, Karl Bane, Bakul Banerjee, Serena Barbanotti, Daniele Barbareschi, Angela Barbaro-Galtieri, Desmond P. Barber, Mauricio Barbi, Dmitri Y. Bardin, Barry Barish, Timothy L. Barklow, Roger Barlow, Virgil E. Barnes, Maura Barone, Christoph Bartels, Valeria Bartsch, Rahul Basu, Marco Battaglia, Yuri Batygin, Jerome Baudot, Ulrich Baur, D. Elwyn Baynham, Carl Beard, Chris Bebek, Philip Bechtle

    LCWS 2005 - 2005 International Linear Collider Workshop   2005.01

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  • Development of large-aperture Hybrid Photo-Detector and readout system Reviewed

    Y. Kawai, H. Nakayama, A. Kusaka, H. Kakuno, T. Abe, M. Iwasaki, H. Aihara, M. Tanaka, M. Shiozawa, H. Kyushima, M. Suyama

    IEEE 2005 IEEE Nuclear Science Symposium Conference Record, Vols 1-5   776 - 780   2005( ISSN:1082-3654

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    We have undertaken the development of a large scale Hybrid Photo-Detector (HPD) and new readout system comprising an ASIC preamplifier, an Analog Memory Cell (AMC) and an FPGA (DSP) which, together, are intended to be the next generation water Cherenkov detector. We have fabricated a 13-inch HPD and have confirmed the S/N of similar to 10 and the time resolution better than Ins (a) for a single photon level signal. We have made and evaluated the performance of prototypes of a bipolar process charge sensitive ASIC preamplifier and 64-depth AMC to be used in the readout system.

  • Study of time-dependent CP violation in B-0 -> J/psi pi(0) decays Reviewed

    Kataoka SU, Abe K, Abe K, Adachi I, Aihara H, Akatsu M, Asano Y, Aushev T, Bahinipati S, Bakich AM, Bay A, Bedny I, Bitenc U, Bizjak I, Bondar A, Bracko M, Chao Y, Chen A, Chen WT, Cheon BG, Chistov R, Choi Y, Danilov M, Dash M, Dong LY, Dragic J, Eidelman S, Eiges V, Enari Y, Fang F, Fratina S, Gabyshev N, Garmash A, Gershon T, Go A, Gokhroo G, Golob B, Haba J, Hara K, Hastings NC, Hayasaka K, Hayashii H, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Khan HR, Kim HJ, Kinoshita K, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kuo CC, Kuzmin A, Kwon YJ, Lange JS, Leder G, Lee SE, Lee SH, Lesiak T, Li J, Lin SW, MacNaughton J, Mandl F, Matsumoto T, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mohapatra D, Mori T, Nagamine T, Nagasaka Y, Nakano E, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Noguchi S, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park H, Peak LS, Piilonen LE, Ronga FJ, Rozanska M, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schumann J, Schwartz AJ, Semenov S, Senyo K, Sevior ME, Shibata T, Shibuya H, Singh JB, Somov A, Soni N, Stamen R, Staric M, Sumisawa K, Sumiyoshi T, Tajima O, Takasaki F, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Trabelsi K, Tsukamoto T, Ueno K, Uno S, Varner G, Villa S, Wang CC, Wang CH, Watanabe M, Yabsley BD, Yamaguchi A, Yamashita Y, Yang H, Ying J, Yuan Y, Zang SL, Zhang CC, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Ziegler T, Zontar D

    PHYSICAL REVIEW LETTERS   93 ( 26 )   2004.12( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.93.261801

  • R&amp;D of residual gas beam profile monitor Reviewed

    Ryosuke Ishida, Yu Nakahama, Hiroaki Aihara, Masako Iwasaki, Hidekazu Kakuno, Hiroyuki Noumi, Yoshinori Sato, Akihisa Toyoda

    IEEE Nuclear Science Symposium Conference Record   3   1798 - 1802   2004.12( ISSN:10957863

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    We have studied the Residual Gas Beam Profile Monitor (RGBPM) for the J-PARC neutrino beamline, here the Micro Channel Plate (MCP) is used as a read out device. We carried out the beam tests at the KEK-PS beamline to study the basic performance of the monitor. To check the capability of beam-profile measurement, we studied the properties of signal timing and the effect of electric field produced by the proton beam. We found that the ion collection is effective to avoid the beam induced background in a high beam background environment, and RGBPM works under the electric field produced by the beam itself of less than 20kV/m. In addition, the gain calibration method of MCP has been developed using thermal electrons from the glowing wire. We found the gain of MCP is calibrated with an accuracy of better than 5%. © 2004 IEEE.

  • Observation of B-0 -> D*-(5 pi)(+), B+ -> D*-(4 pi)(++) and B+ -> (D)over-bar(*0)(5 pi)(+) Reviewed

    Majumder G, Abe K, Abe K, Adachi I, Aihara H, Akatsu M, Asano Y, Aziz T, Bahinipati S, Bakich AM, Bartel W, Bay A, Bedny I, Bitenc U, Bizjak I, Bozek A, Brodzicka J, Browder TE, Chao Y, Chen WT, Cheon BG, Chistov R, Choi SK, Chuvikov A, Cole S, Danilov M, Dash M, Eidelman S, Eiges V, Epifanov D, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Haba J, Hayasaka K, Hazumi M, Hoshi Y, Hou S, Hou WS, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Katayama N, Kawasaki T, Khan HR, Kim HJ, Kinoshita K, Krizan P, Krokovny P, Kumar S, Kuo CC, Kwon YJ, Lange JS, Leder G, Lesiak T, Lin SW, MacNaughton J, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyake H, Miyata H, Mohapatra D, Nagasaka Y, Nakadaira T, Nakao M, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Park H, Park KS, Parslow N, Piilonen LE, Sakai Y, Sato N, Schietinger T, Schneider O, Schumann J, Semenov S, Senyo K, Shibuya H, Singh JB, Somov A, Soni N, Stanic S, Staric M, Sumiyoshi T, Suzuki S, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Varner G, Villa S, Wang CC, Wang CH, Yabsley BD, Yamaguchi A, Yamashita Y, Ying J, Zhang LM, Zhang ZP, Zontar D

    PHYSICAL REVIEW D   70 ( 11 )   2004.12( ISSN:2470-0010

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    DOI: 10.1103/PhysRevD.70.111103

  • Production of π+, π-, K+, K -, p, and p̄ in light (uds), c, and b jets from Z0 decays Reviewed

    K. Abe, et. al. [SLD Collaboration]

    Physical Review D   69   26   2004.12( ISSN:05562821

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    We present improved measurements of the differential production rates of stable charged particles in hadronic Z0 decays, and of charged pions, kaons, and protons identified over a wide momentum range using the SLD Cherenkov ring imaging detector. In addition to flavor-inclusive Z0 decays, measurements are made for Z0 decays into light (u, d, s), c, and b primary flavors, selected using the upgraded vertex detector. Large differences between the flavors are observed that are qualitatively consistent with expectations based upon previously measured production and decay properties of heavy hadrons. These results are used to test the predictions of QCD in the modified leading logarithm approximation, with the ansatz of local parton-hadron duality, and the predictions of three models of the hadronization process. The light-flavor results provide improved tests of these predictions; the heavy-flavor results provide complementary model tests. In addition we have compared hadron and antihadron production in light quark (as opposed to antiquark) jets. Differences are observed at high momentum for all three charged hadron species, providing direct probes of leading particle effects, and stringent constraints on models. © 2004 The American Physical Society.

    DOI: 10.1103/PhysRevD.69.072003

  • Development of event building farm for SuperKEKB Reviewed

    Ko Ito, Hiroaki Aiahra, Takeo Higuchi, Ryousuke Itoh, Masako Iwasaki, Hidekazu Kakuno, Mikihiko Nakao, Soh Yamagata Suzuki

    IEEE Nuclear Science Symposium Conference Record   2   1319 - 1323   2004.12( ISSN:1095-7863

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    In order to search new physics beyond the Standard Model using B meson decays, we are planning SuperKEKB with a luminosity of 5 × 1035 cm-2 s-1. To tolerate a high trigger rate of 10-30 kHz and to handle a large number of unified readout modules, we design a new event building farm. In order to validate the design, we have set up a prototype event building farm for SuperKEKB and measured the performance. The prototype of readout part works with at least 10 kHz event rate. For a design value, we fine that the further software improvement and the faster PC are needed. Event distribution part of the prototype tolerates the high event rate by increasing the number of event builder units. We conclude that the developed event building farm tolerates the high rate by adding event building units to keep up with gradual increase in luminosity. © 2004 IEEE.

  • Observation of B+ -> Lambda(Lambda)over-barK(+) Reviewed

    Lee YJ, Wang MZ, Abe K, Abe K, Abe T, Aihara H, Asano Y, Aulchenko V, Aushev T, Aziz T, Bahinipati S, Bakich AM, Ban Y, Bedny I, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang P, Chao Y, Cheon BG, Chistov R, Choi SK, Choi Y, Chuvikov A, Danilov M, Dash M, Dong LY, Drutskoy A, Eidelman S, Eiges V, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Guo R, Haba J, Hayasaka K, Hayashii H, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou WS, Hsiung YB, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki H, Iwasaki M, Kang JH, Kang JS, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim JH, Kim SK, Koppenburg P, Korpar S, Krokovny P, Kuzmin A, Kwon YJ, Lee SH, Lesiak T, Li J, Lin SW, MacNaughton J, Majumder G, Mandl F, Matsumoto T, Matyja A, Mikami Y, Mitaroff W, Miyabayashi K, Miyata H, Mizuk R, Mori T, Nagamine T, Nagasaka Y, Nakadaira T, Nakao M, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Parslow N, Piilonen LE, Sagawa H, Saitoh S, Sakai Y, Sato N, Schneider O, Schumann J, Semenov S, Senyo K, Sevior ME, Shibuya H, Sidorov V, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tovey SN, Tsuboyama T, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Varner G, Varvell KE, Wang CH, Watanabe M, Yabsley BD, Yamada Y, Yamaguchi A, Yamashita Y, Yamauchi M, Ying J, Yuan Y, Yusa Y, Zang SL, Zhang CC, Zhang J, Zhang ZP, Ziegler T, Zontar D

    PHYSICAL REVIEW LETTERS   93 ( 21 )   2004.11( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.93.211801

  • Search for CP violation in the decay B-0 ->(DD -/+)-D-*+/- Reviewed

    Aushev T, Iwasaki Y, Abe K, Abe K, Adachi I, Aihara H, Akatsu M, Asano Y, Aziz T, Bahinipati S, Bakich AM, Bay A, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Chang P, Chao Y, Chen A, Chen WT, Cheon BG, Chistov R, Choi Y, Chuvikov A, Danilov M, Dash M, Dong LY, Dragic J, Drutskoy A, Eidelman S, Eiges V, Enari Y, Fang F, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Hastings NC, Hayasaka K, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou S, Hou WS, Iijima T, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki M, Kang JH, Kang JS, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kim HJ, Kim SK, Kinoshita K, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kuo CC, Kuzmin A, Kwon YJ, Lange JS, Leder G, Lee SH, Lesiak T, Li J, Lin SW, Liventsev D, MacNaughton J, Mandl F, Matsumoto T, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mizuk R, Mohapatra D, Mori T, Nagamine T, Nagasaka Y, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park H, Peak LS, Piilonen LE, Sagawa H, Sakai Y, Sato N, Schietinger T, Schneider O, Schumann J, Schwartz AJ, Semenov S, Senyo K, Sevior ME, Shibuya H, Somov A, Soni N, Stamen R, Staric M, Sumisawa K, Sumiyoshi T, Tajima O, Takasaki F, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Trabelsi K, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Yabsley BD, Yamaguchi A, Yamashita Y, Ying J, Yuan Y, Zang SL, Zhang J, Zhang LM, Zhang ZP, Zhilich V, Zontar D

    PHYSICAL REVIEW LETTERS   93 ( 20 )   2004.11( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.93.201802

  • Evidence for direct CP violation in B-0 -> K+pi(-) decays Reviewed

    Chao Y, Chang P, Abe K, Abe K, Abe N, Adachi I, Aihara H, Akai K, Akatsu M, Akemoto M, Asano Y, Aso T, Aulchenko V, Aushev T, Aziz T, Bahinipati S, Bakich AM, Ban Y, Barbero M, Bay A, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang MC, Chen A, Chen KF, Chen WT, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Cole S, Danilov M, Dash M, Dong LY, Dowd R, Dragic J, Drutskoy A, Eidelman S, Eiges V, Enari Y, Epifanov D, Everton CW, Fang F, Flanagan J, Fratina S, Fujii H, Funakoshi Y, Furukawa K, Gabyshev N, Garmash A, Gershon T, Go A, Gokhroo G, Golob B, Perdekamp MG, Guler H, Guo R, Haba J, Hagner C, Handa F, Hara K, Hara T, Hastings NC, Hasuko K, Hayasaka K, Hayashii H, Hazumi M, Heenan EM, Higuchi I, Higuchi T, Hinz L, Hojo T, Hokuue T, Hoshi Y, Hoshina K, Hou S, Hou WS, Hsiung YB, Huang HC, Igaki T, Igarashi Y, Iijima T, Ikeda H, Imoto A, Inami K, Ishikawa A, Ishino H, Itoh K, Itoh R, Iwamoto M, Iwasaki M, Iwasaki Y, Kagan R, Kakuno H, Kamitani T, Kang JH, Kang JS, Kapusta P, Kataoka SU, Katayama N, Kawai H, Kawai H, Kawakami Y, Kawamura N, Kawasaki T, Kent N, Khan HR, Kibayashi A, Kichimi H, Kikuchi M, Kikutani E, Kim HJ, Kim HO, Kim H, Kim JH, Kim SK, Kim TH, Kinoshita K, Kobayashi S, Koiso H, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kubo T, Kulasiri R, Kumar S, Kuo CC, Kurashiro H, Kurihara E, Kusaka A, Kuzmin A, Kwon YJ, Lange JS, Leder G, Lee SE, Lee SH, Lee YJ, Lesiak T, Li J, Limosani A, Lin SW, Liventsev D, MacNaughton J, Majumder G, Mandl F, Marlow D, Masuzawa M, Matsuishi T, Matsumoto H, Matsumoto S, Matsumoto T, Matyja A, Michizono S, Mikami Y, Mimashi T, Mitaroff W, Miyabayashi K, Miyabayashi Y, Miyake H, Miyata H, Mizuk R, Mohapatra D, Moloney GR, Moorhead GF, Mori T, Mueller J, Murakami A, Nagamine T, Nagasaka Y, Nakadaira T, Nakamura I, Nakamura TT, Nakano E, Nakao M, Nakayama H, Nakazawa H, Natkaniec Z, Neichi K, Nishida S, Nitoh O, Noguchi S, Nozaki T, Ogawa A, Ogawa S, Ogawa Y, Ohmi K, Ohnishi Y, Ohshima T, Ohuchi N, Oide K, Okabe T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park CW, Park H, Park KS, Parslow N, Peak LS, Pernicka M, Perroud JP, Peters M, Piilonen LE, Poluektov A, Ronga FJ, Root N, Rozanska M, Sagawa H, Saigo M, Saitoh S, Sakai Y, Sakamoto H, Sakaue H, Sarangi TR, Satapathy M, Sato N, Schietinger T, Schneider O, Schumann J, Schwanda C, Schwartz AJ, Seki T, Semenov S, Senyo K, Settai Y, Seuster R, Sevior ME, Shibata T, Shibuya H, Shidara T, Shwartz B, Sidorov V, Siegle V, Singh JB, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sugahara R, Sugi A, Sugimura T, Sugiyama A, Sumisawa K, Sumiyoshi T, Suzuki S, Suzuki SY, Swain SK, Tajima O, Takasaki F, Tamai K, Tamura N, Tanabe K, Tanaka M, Tawada M, Taylor GN, Teramoto Y, Tian XC, Tokuda S, Tovey SN, Trabelsi K, Tsuboyama T, Tsukamoto T, Uchida K, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Ushiroda Y, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang JG, Wang MZ, Watanabe M, Watanabe Y, Widhalm L, Xie QL, Yabsley BD, Yamaguchi A, Yamamoto H, Yamamoto N, Yamamoto S, Yamanaka T, Yamashita Y, Yamauchi M, Yang H, Yeh P, Ying J, Yoshida K, Yoshida M, Yuan Y, Yusa Y, Yuta H, Zang SL, Zhang CC, Zhang J, Zhang LM, Zhang ZP, Zheng Y, Zhilich V, Ziegler T, Zontar D, Zurcher D

    PHYSICAL REVIEW LETTERS   93 ( 19 )   2004.11( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.93.191802

  • Observation of the decays B-0 -> K+pi(-)pi(0) and B-0 -> p(-)K(+) Reviewed

    Chang P, Abe K, Abe K, Abe T, Aihara H, Asano Y, Aulchenko V, Aushev T, Aziz T, Bahinipati S, Bakich AM, Ban Y, Bay A, Bedny I, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chang MC, Chao Y, Cheon BG, Chistov R, Choi SK, Choi Y, Cole S, Danilov M, Dash M, Dong LY, Drutskoy A, Eidelman S, Eiges V, Enari Y, Fang F, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Guo R, Hastings NC, Hayashii H, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou WS, Hsiung YB, Huang HC, Inami K, Ishikawa A, Itoh R, Iwasaki H, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kataoka SU, Katayama N, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim JH, Kim SK, Kim TH, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kuzmin A, Kwon YJ, Lee SE, Lesiak T, Li J, Lin SW, MacNaughton J, Majumder G, Mandl F, Marlow D, Matsumoto T, Matyja A, Mitaroff W, Miyake H, Miyata H, Mizuk R, Mohapatra D, Mori T, Nagamine T, Nagasaka Y, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Park H, Parslow N, Peak LS, Piilonen LE, Poluektov A, Root N, Rozanska M, Sagawa H, Sakai Y, Schneider O, Schumann J, Semenov S, Senyo K, Sevior ME, Shibuya H, Sidorov V, Somov A, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tsukamoto T, Uehara S, Ueno K, Uglov T, Unno Y, Uno S, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe M, Yabsley BD, Yamada Y, Yamaguchi A, Yamashita Y, Yamauchi M, Ying J, Zhang CC, Zhang J, Zhang ZP, Zontar D

    PHYSICS LETTERS B   599 ( 3-4 )   148 - 158   2004.10( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2004.07.063

  • Study of double charmonium production in e(+)e(-) annihilation at root s approximate to 10.6 GeV Reviewed

    Abe K, Abe K, Aihara H, Asano Y, Aulchenko V, Aushev T, Bahinipati S, Bakich AM, Ban Y, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Cheon BG, Chistov R, Choi SK, Choi Y, Chuvikov A, Cole S, Danilov M, Dash M, Dong LY, Eidelman S, Eiges V, Fang F, Fratina S, Gabyshev N, Gershon T, Gokhroo G, Golob B, Guo R, Haba J, Hastings NC, Hayasaka K, Hayashii H, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou WS, Hsiung YB, Iijima T, Imoto A, Inami K, Ishikawa A, Itoh R, Iwasaki H, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Katayama N, Kawai H, Kawasaki T, Khan HR, Kim HJ, Koppenburg P, Krizan P, Krokovny P, Kumar S, Kwon YJ, Lange JS, Leder G, Lesiak T, Li J, Lin SW, MacNaughton J, Majumder G, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyake H, Miyata H, Mizuk R, Mori T, Nagamine T, Nagasaka Y, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park CW, Park H, Parslow N, Peak LS, Piilonen LE, Sagawa H, Sakai Y, Sato N, Schneider O, Schumann J, Semenov S, Senyo K, Seuster R, Sevior ME, Shibuya H, Sidorov V, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Varner G, Varvell KE, Wang CC, Wang CH, Watanabe M, Yabsley BD, Yamada Y, Yamaguchi A, Yamashita Y, Yamauchi M, Zang SL, Zhang CC, Zhang J, Zhang ZP, Zontar D

    PHYSICAL REVIEW D   70 ( 7 )   2004.10( ISSN:1550-7998

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    DOI: 10.1103/PhysRevD.70.071102

  • Evidence for B+->omega l(+)nu Reviewed

    Schwanda C, Abe K, Abe K, Abe T, Adachi I, Aihara H, Akatsu M, Asano Y, Aushev T, Bahinipati S, Bakich AM, Ban Y, Banas E, Bay A, Bizjak I, Bondar A, Bozek A, Bracko M, Browder TE, Chang MC, Chao Y, Cheon BG, Choi Y, Choi YK, Chuvikov A, Cole S, Danilov M, Dash M, Dong LY, Drutskoy A, Eidelman S, Eiges V, Gabyshev N, Gershon T, Gokhroo G, Golob B, Hazumi M, Higuchi I, Hinz L, Hokuue T, Hoshi Y, Hou WS, Huang HC, Iijima T, Inami K, Ishikawa A, Itoh R, Iwasaki H, Iwasaki M, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kichimi H, Kim HJ, Kinoshita K, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kumar S, Kwon YJ, Lange JS, Leder G, Lee SH, Lesiak T, Li J, Limosani A, Lin SW, MacNaughton J, Mandl F, Matsumoto T, Matyja A, Mikami Y, Mitaroff W, Miyake H, Miyata H, Mori T, Nagamine T, Nagasaka Y, Nakano E, Nakao M, Natkaniec Z, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Onuki Y, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park CW, Park H, Parslow N, Peak LS, Piilonen LE, Sagawa H, Saitoh S, Sakai Y, Sarangi TR, Schneider O, Schumann J, Schwartz AJ, Semenov S, Senyo K, Sevior ME, Shibuya H, Singh JB, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Tajima O, Takasaki F, Tamai K, Tanaka M, Teramoto Y, Tomura T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Varner G, Varvell KE, Wang CC, Wang CH, Yabsley BD, Yamada Y, Yamaguchi A, Yamashita Y, Yanai H, Ying J, Zhang ZP, Zontar D, Zurcher D

    PHYSICAL REVIEW LETTERS   93 ( 13 )   2004.09( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.93.131803

  • Evidence for B-0 ->rho(0)pi(0) Reviewed

    Dragic J, Gershon T, Abe K, Abe K, Abe T, Aihara H, Asano Y, Aulchenko V, Aushev T, Aziz T, Bakich AM, Banas E, Bay A, Bedny I, Bitenc U, Bizjak I, Blyth S, Bondar A, Bozek A, Bracko M, Browder TE, Chang P, Chao Y, Cheon BG, Chistov R, Choi SK, Choi Y, Chuvikov A, Cole S, Dong LY, Dowd R, Eidelman S, Eiges V, Enari Y, Epifanov D, Fratina S, Gabyshev N, Gokhroo G, Golob B, Gordon A, Haba J, Hastings NC, Hayashii H, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou WS, Hsiung YB, Iijima T, Inami K, Ishikawa A, Itoh R, Iwasaki H, Iwasaki M, Kang JH, Kang JS, Kawai H, Kawasaki T, Khan HR, Kichimi H, Kim HJ, Kim JH, Kim SK, Koppenburg P, Korpar S, Krokovny P, Kulasiri R, Kumar S, Kuzmin A, Kwon YJ, Lee SE, Lee SH, Lesiak T, Li J, Limosani A, Lin SW, MacNaughton J, Majumder G, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyake H, Miyata H, Mohapatra D, Moloney GR, Nagamine T, Nagasaka Y, Nakadaira T, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Park CW, Park H, Parslow N, Peak LS, Piilonen LE, Poluektov A, Ronga FJ, Rozanska M, Sagawa H, Sakai Y, Sarangi TR, Schneider O, Schumann J, Schwartz AJ, Semenov S, Senyo K, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Singh JB, Somov A, Soni N, Stamen R, Stanic S, Staric M, Sumisawa K, Tajima O, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tomura T, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Unno Y, Uno S, Varner G, Varvell KE, Villa S, Wang CC, Wang CH, Wang MZ, Watanabe M, Watanabe Y, Yabsley BD, Yamada Y, Yamaguchi A, Yamamoto H, Yamashita Y, Yamauchi M, Yang HY, Ying J, Zhang J, Zhang ZP, Zhilich V, Zontar D

    PHYSICAL REVIEW LETTERS   93 ( 13 )   2004.09( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.93.131802

  • Inclusive measurement of the photon energy spectrum in b → sγ decays Reviewed

    P. Koppenburg, et. al. [Belle Collaboation]

    Physical Review Letters   93 ( 6 )   2004.08( ISSN:00319007

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    A fully inclusive measurement of the flavor changing neutral current decay b → sγ was discussed. The first and second moments of the photon energy spectrum above 1.8 GeV were also measured. It was found that the errors were statistical and systematic in nature. The results show that the moments measurement of the spectrum allows the determination of the b-quark mass and of its motion.

    DOI: 10.1103/PhysRevLett.93.061803

  • Search for the Lepton-Flavor-Violating Decay τ- → μ-η at Belle Reviewed

    Y. Enari, et. al. [Belle Collaboation]

    Physical Review Letters   93 ( 8 )   2004.08( ISSN:00319007

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    The lepton flavor violating decay τS-S → μ-η was investigated using data sample of 84.3 fb-1 accumulated with the Belle detector at KEK. The detection of η meson was observed through the decay modes of η→γγ and π+π -π0. The minimum photon energy requirement was reduced from 0.1 to 0.005 GeV, as photons from this decay were found to have softer energy distribution compared to those in η→γγ. The results show that an upper limit for branching fraction B < 3.4×10-7 at about 90% confidence level.

    DOI: 10.1103/PhysRevLett.93.081803

  • Observation of B+->psi(3770)K Reviewed

    Chistov R, Abe K, Abe K, Abe T, Aihara H, Akatsu M, Asano Y, Aushev T, Bakich AM, Ban Y, Banerjee S, Bay A, Bedny I, Bizjak I, Bondar A, Bozek A, Bracko M, Brodzicka J, Browder TE, Chao Y, Chen KF, Cheon BG, Choi Y, Choi YK, Danilov M, Dash M, Dong LY, Drutskoy A, Eidelman S, Eiges V, Epifanov D, Gabyshev N, Garmash A, Gershon T, Golob B, Guo R, Haba J, Hara T, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou WS, Huang HC, Iijima T, Inami K, Ishikawa A, Iwasaki H, Iwasaki M, Kagan R, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Kichimi H, Kim SK, Kinoshita K, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kumar S, Kuzmin A, Kwon YJ, Lange JS, Lesiak T, Li J, Limosani A, Lin SW, Liventsev D, MacNaughton J, Majumder G, Mandl F, Marlow D, Matsumoto H, Matsumoto T, Matyja A, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mohapatra D, Moloney GR, Nagamine T, Nagasaka Y, Nakadaira T, Nakano E, Nakao M, Nishida S, Nitoh O, Noguchi S, Ogawa S, Ohshima T, Okuno S, Olsen SL, Ozaki H, Pakhlov P, Palka H, Park H, Parslow N, Piilonen LE, Sagawa H, Sakai Y, Sarangi TR, Schneider O, Schwartz AJ, Semenov S, Sevior ME, Shwartz B, Sidorov V, Stamen R, Stanic S, Staric M, Sugiyama A, Sumisawa K, Sumiyoshi T, Suzuki S, Tajima O, Takasaki F, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tomura T, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Ueno K, Uno S, Varner G, Wang CC, Wang CH, Wang MZ, Yabsley BD, Yamada Y, Yamaguchi A, Yamashita Y, Yamauchi M, Ying J, Zhang CC, Zhang ZP, Zhilich V, Zontar D, Zurcher D

    PHYSICAL REVIEW LETTERS   93 ( 5 )   2004.07( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.93.051803

  • Study of CP violating effects in time dependent B0(B̄ 0) → D(*) π± decays Reviewed

    T. R. Sarangi, et. al. [Belle Collaboation]

    Physical Review Letters   93   2004.07( ISSN:00319007

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    The measurements of time-dependent decay rates for B 0(B̄0) → D(*)∓π ∓ decays and extraction of CP violation parameters containing φ3 were discussed. It was found that a 140 fb-1 data sample, which contained 152 × 106 BB̄ events, was used in the measurement. Charged leptons, pions and kaons were used to identify the flavor of the accompanying B meson. The results show that |2R D*π sin(2φ1 + φ3)| = 0.060 ± 0.040(stat) ± 0.019(syst) can be obtained.

    DOI: 10.1103/PhysRevLett.93.031802

  • Observation of large CP violation and evidence for direct CP violation in B0 → π+ π- decays Reviewed

    K. Abe, et. al. [Belle Collaboation]

    Physical Review Letters   93 ( 2 )   2004.07( ISSN:00319007

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    The CP violation parameters in Bo → π +π- decay were investigated. The flavor of the accompanying B meson was identified by reconstructing B o→π+π- CP eigenstate. It was observed that the expected sensitivity was optimized using the ratio LR. The study showed that there was a direct CP violation with a significance at or greater than 3.2σ.

    DOI: 10.1103/PhysRevLett.93.021601

  • Measurement of the CP asymmetry in B → Xsγ Reviewed

    S. Nishida, et. al. [Belle Collaboation]

    Physical Review Letters   93 ( 3 )   2004.07( ISSN:00319007

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    The CP asymmetry in the B → Xsγ, where hadronic recoil system Xs is reconstructed, was investigated using pseudoreconstruction technique. Negligible contamination from b → dγ decays was observed, which were expected to have larger CP asymmetry. The qq̄ and BB̄ distributions were obtained from off-resonance data and Monte Carlo (MC) simulation. The results show that 50% error is assigned to Gaussian width and to ratio of the Gaussian and ARGUS function for rare B decays.

    DOI: 10.1103/PhysRevLett.93.031803

  • Measurement of the branching fractions for B → ωK and B → ωπ Reviewed

    C. H. Wang, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   70 ( 1 )   6   2004.07( ISSN:05562821

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    We report improved measurements of branching fractions for charmless hadronic two-body B meson decays containing an ω meson in the final state. The results are based on a data sample of 78 fb -1 collected on the Y(4S) resonance by the Belle detector. We measure the branching fractions B(B + → ωK +)=(6.5 -1.2+1.3±0.6) × 10 -6 and B(B +→ωπ +=(5.7 -1.3+1.4±0.6)×10 -6. We give 90% confidence upper limits for B(B 0→ωK 0) ≤7.6×10 -6 and B(B 0→ωπ 0)<1. 9×10 -6. We also obtain the partial rate asymmetries A CP=0.06 -0.18+0.21 ±0.01 for B ±→ωK ± and A CP=0. 50 -0.20+0.23±0.02 for B ±→ωπ ±.

    DOI: 10.1103/PhysRevD.70.012001

  • Search for neutrinoless decays iota -> 3l Reviewed

    Yusa Y, Nagamine T, Yamaguchi A, Abe K, Abe K, Abe T, Adachi I, Aihara H, Akatsu M, Asano Y, Aulchenko V, Aushev T, Bahinipati S, Bakich AM, Banas E, Bedny I, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Browder TE, Chang MC, Cheon BG, Chistov R, Choi Y, Chuvikov A, Danilov M, Dong LY, Eidelman S, Eiges V, Enari Y, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Haba J, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou WS, Iijima I, Inami K, Ishikawa A, Itoh R, Iwasaki H, Iwasaki M, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Kichimi H, Kim HO, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kuzmin A, Kwon YJ, Lee SH, Lesiak T, Li J, Lin SW, MacNaughton J, Matsumoto T, Matyja A, Mikami Y, Mitaroff W, Miyata H, Mohapatra D, Moloney GR, Mori T, Nagasaka Y, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park H, Park KS, Parslow N, Perroud JP, Piilonen LE, Poluektov A, Root N, Sagawa H, Saitoh S, Sakai Y, Sarangi TR, Schneider O, Schwartz AJ, Semenov S, Senyo K, Sevior ME, Shibuya H, Shwartz B, Singh JB, Soni N, Stanic S, Staric M, Sumisawa K, Sumiyoshi T, Suzuki S, Tajima O, Takasaki R, Tamai K, Tamura N, Tanaka M, Teramoto Y, Tomura T, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Unno Y, Uno S, Varner G, Wang CC, Wang CH, Yamada Y, Yamashita Y, Yamauchi M, Yanai H, Zhang J, Zhang ZP, Zhilich V, Ziegler T, Zontar D

    PHYSICS LETTERS B   589 ( 3-4 )   103 - 110   2004.06( ISSN:0370-2693

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    DOI: 10.1016/j.physletb.2004.04.002

  • Measurement of the B -> K*gamma branching fractions and asymmetries Reviewed

    Nakao M, Abe K, Abe K, Abe T, Adachi I, Aihara H, Akatsu M, Asano Y, Aso T, Aulchenko V, Aushev T, Bahinipati S, Bakich AM, Ban Y, Bay A, Bitenc U, Bizjak I, Bondar A, Bozek A, Bracko M, Browder TE, Chang P, Chao Y, Chen KF, Cheon BG, Chistov R, Choi Y, Chuvikov A, Cole S, Danilov M, Dash M, Dong LY, Dragic J, Drutskoy A, Eidelman S, Eiges V, Enari Y, Fang F, Fratina S, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Hayashii H, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou WS, Hsiung YB, Iijima T, Inami K, Ishikawa A, Ishino H, Itoh R, Iwasaki H, Iwasaki M, Kang JH, Kang JS, Katayama N, Kawai H, Kawasaki T, Kichimi H, Kim HJ, Kim JH, Kim SK, Kim TH, Kinoshita K, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kuzmin A, Kwon YJ, Lange JS, Lee SH, Lesiak T, Li J, Limosani A, Lin SW, MacNaughton J, Majumder G, Mandl F, Matsumoto T, Mikami Y, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mohapatra D, Moloney GR, Mori T, Nagamine T, Nagasaka Y, Nakano E, Nakazawa H, Neichi K, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Pakhlov P, Palka H, Park H, Parslow N, Peak LS, Piilonen LE, Ronga FJ, Rozanska M, Sagawa H, Saitoh S, Sakai Y, Sarangi TR, Schneider O, Schumann J, Schwanda C, Schwartz AJ, Semenov S, Senyo K, Seuster R, Sevior ME, Shwartz B, Singh JB, Soni N, Stamen R, Stanic S, Staric M, Sumiyoshi T, Suzuki S, Tajima O, Takasaki F, Tanaka M, Taylor GN, Teramoto Y, Tomura T, Tsuboyama T, Tsukamoto T, Uehara S, Uglov T, Uno S, Ushiroda Y, Varner G, Varvell KE, Wang CC, Wang CH, Wang MZ, Watanabe M, Yamada Y, Yamaguchi A, Yamashita Y, Yamauchi M, Yang HY, Ying J, Yusa Y, Zhang CC, Zhang J, Zhang ZP, Zhilich V, Ziegler T, Zontar D

    PHYSICAL REVIEW D   69 ( 11 )   2004.06( ISSN:0556-2821

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    Publishing type:Research paper (scientific journal)  

    DOI: 10.1103/PhysRevD.69.112001

  • Upper bound on the decay τ μγ from the Belle detector Reviewed

    K. Abe, et. al. [Belle Collaboation]

    Physical Review Letters   92 ( 17 )   2004.04( ISSN:00319007

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    A study using 86.3 fb-1 of data collected at the γ(4S) resonance with the Belle detector at the KEKB asymmetric e+e - collider was presented. An event composed of exactly two oppositely charged tracks and one photon candidate, that is consistent with a τ+τ- event in which one τ decays to μγ and the other τ decys to a non muon charged particle, neutrinos and any number of γs was searched for. The selection criteria were determined by examining Monte Carlo simulations for signal τpair decay and background events. It was also assumed that the two body decay τ→μγ had a uniform angular distribution in the τ's rest system.

    DOI: 10.1103/PhysRevLett.92.171802

  • Observation of B+ → pp̄π+, B0 → pp̄K0, and B+ → pp̄K*+ Reviewed

    M. Z. Wang, et. al. [Belle Collaboation]

    Physical Review Letters   92 ( 13 )   2004.04( ISSN:00319007

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    The observation of B+ → pp̄π+, which is dominated by the b→u tree diagram was studied. The observation of B 0 → pp̄K0 and B+→pp̄K *+ was also presented and the mesurement of B +→pp̄K+ was improved. It was found that a search for the B0→pp̄K*0 mode yielded only an upper limit. The pp̄ mass spectra was also studied to see if the threshold peaking confirmed with the newly observed modes.

    DOI: 10.1103/PhysRevLett.92.131801

  • Search for the Radiative Decays B → ργ and B0 → ωγ Reviewed

    B. Aubert, et. al. [BaBar Collaboation]

    Physical Review Letters   92   2004.03( ISSN:00319007

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    The radiative decays B → ργ and B0 → ωγ were studied. Charge-particle trajectories were measured in both a five-layer silicon vertex tracker (SCT) and 40-layer drift chamber (DCH). A ring-imaging Cherenkov detector (DIRC) was used for charged-particle identification. The 90% C.L. upper limits on the branching fractions are significantly lower than previous values and start to restrict the range indicated by SM predictions.

    DOI: 10.1103/PhysRevLett.92.111801

  • Observation of radiative B -> phi K gamma decays Reviewed

    Drutskoy A, Abe K, Abe K, Abe T, Aihara H, Akatsu M, Asano Y, Aulchenko V, Aushev T, Bakich AM, Ban Y, Bay A, Bedny I, Behera PK, Bizjak I, Bondar A, Bozek A, Bracko M, Browder TE, Casey BCK, Chao Y, Cheon BG, Chistov R, Choi Y, Chuvikov A, Danilov M, Dash M, Dong LY, Eidelman S, Eiges V, Gabyshev N, Garmash A, Gershon T, Golob B, Haba J, Hagner C, Handa F, Hastings NC, Hayashii H, Hazumi M, Hinz L, Hokuue T, Hoshi Y, Hou WS, Huang HC, Igarashi Y, Iijima T, Inami K, Ishikawa A, Itoh R, Iwasaki H, Iwasaki M, Iwasaki Y, Jang HK, Kang JH, Kang JS, Kapusta P, Katayama N, Kawasaki T, Kichimi H, Kim DW, Kim HJ, Kim H, Kim JH, Kim SK, Kinoshita K, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kwon YJ, Lee SH, Lesiak T, Li J, MacNaughton J, Marlow D, Matsumoto T, Matyja A, Mitaroff W, Miyata H, Mohapatra D, Moloney GR, Mori T, Nagamine T, Nagasaka Y, Nakadaira T, Nakano E, Nakao M, Nam JW, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park CW, Park H, Park KS, Parslow N, Peters M, Piilonen LE, Root N, Sagawa H, Saitoh S, Sakai Y, Sarangi TR, Satpathy A, Schneider O, Schumann J, Schwartz AJ, Semenov S, Senyo K, Sevior ME, Shibuya H, Shwartz B, Sidorov V, Singh JB, Soni N, Stanic S, Staric M, Sugi A, Sumisawa K, Sumiyoshi T, Suzuki S, Suzuki SY, Takasaki F, Tamura N, Tanaka M, Teramoto Y, Tomura T, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uno S, Varner G, Varvell KE, Wang CH, Wang JG, Wang MZ, Watanabe Y, Won E, Yamada Y, Yamashita Y, Yamauchi M, Yuan Y, Yusa Y, Zhang ZP, Zhilich V, Zontar D

    PHYSICAL REVIEW LETTERS   92 ( 5 )   2004.02( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.92.051801

  • Observation of Radiative B → φKγ Decays Reviewed

    A. Drutskoy, et. al. [Belle Collaboation]

    Physical Review Letters   92   518011 - 518015   2004.02( ISSN:00319007

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    The radiative decay B → φKγ, which provide an important tool to search for physics beyond the standard model is observed. An upper limit for the particular decay mode and a branching fraction for the B -→φK-γ decay mode are obtained. It is found that the measured decay branching fraction is roughly an order of magnitude smaller than B→K*γ branching fractions. This factor can be attributed to the additional electron pair.

  • Measurements of the D-sJ resonance properties Reviewed

    Mikami Y, Abe K, Abe T, Aihara H, Akemoto M, Asano Y, Aso T, Aushev T, Bahinipati S, Bakich AM, Ban Y, Bay A, Bizjak I, Bondar A, Bozek A, Bracko M, Browder TE, Chao Y, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Danilov M, Dong LY, Dragic J, Eidelman S, Eiges V, Fukunaga C, Furukawa K, Gabyshev N, Garmash A, Gershon T, Gokhroo G, Golob B, Handa F, Hara T, Hayashii H, Hazumi M, Higuchi I, Hinz L, Hokuue T, Hoshi Y, Hou WS, Huang HC, Iijima T, Ikeda H, Inami K, Ishikawa A, Iwasaki H, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawamura N, Kawasaki T, Kichimi H, Kikutani E, Kim HJ, Kim JH, Kinoshita K, Koppenburg P, Krizan P, Krokovny P, Kulasiri R, Kuzmin A, Kwon YJ, Leder G, Lee SH, Lesiak T, Lin SW, Liventsev D, MacNaughton J, Majumder G, Mandl F, Masuzawa M, Matsumoto T, Matyja A, Mimashi T, Mitaroff W, Miyata H, Moloney GR, Nagamine T, Nagasaka Y, Nakamura TT, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Nozaki T, Ogawa S, Ogawa Y, Ohmi K, Ohshima T, Ohuchi N, Oide K, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Pakhlov P, Palka H, Park CW, Park H, Park KS, Parslow N, Piilonen LE, Sagawa H, Saitoh S, Sakai Y, Schneider O, Schwanda C, Schwartz AJ, Semenov S, Senyo K, Sevior ME, Shibuya H, Shidara T, Shwartz B, Sidorov V, Singh JB, Soni N, Stanic S, Staric M, Sugahara R, Sugi A, Sumisawa K, Sumiyoshi T, Suzuki S, Suzuki SY, Takasaki F, Tanaka M, Tawada M, Teramoto Y, Tomura T, Trabelsi K, Tsuboyama T, Tsukamoto T, Uehara S, Uno S, Varner G, Watanabe Y, Yabsley BD, Yamada Y, Yamaguchi A, Yamamoto H, Yamashita Y, Yamauchi M, Yanai H, Yang HY, Ying J, Yoshida M, Yusa Y, Zhang ZP, Zhilich V, Zontar D

    PHYSICAL REVIEW LETTERS   92 ( 1 )   2004.01( ISSN:0031-9007

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    DOI: 10.1103/PhysRevLett.92.012002

  • Study of B- ---> D**0 pi- (D**0 ---> D(*)+ pi-) decays Reviewed

    K. Abe, et. al. [Belle Collaboation]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   69 ( 11 )   2004.01( ISSN:15507998

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    We report the results of a study of charged B decays to the [Formula Presented] and [Formula Presented] final states using complete [Formula Presented] reconstruction. The contributions of two-body [Formula Presented] decays with narrow [Formula Presented] and broad [Formula Presented] [Formula Presented] states have been determined and the masses and widths of four [Formula Presented] states have been measured. This is the first observation of the broad P-wave [Formula Presented] and [Formula Presented] mesons. The analysis is based on a data sample of 65 million [Formula Presented] pairs collected in the Belle experiment. © 2004 The American Physical Society.

    DOI: 10.1103/PhysRevD.69.112002

  • Measurement of the [Formula Presented] cross sections Reviewed

    T. Uglov, et. al. [Belle Collaboration]

    Physical Review D - Particles, Fields, Gravitation and Cosmology   70 ( 7 )   2004.01( ISSN:15507998

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    We report first measurements of [Formula Presented] processes far above threshold. The cross sections for [Formula Presented] and [Formula Presented] at [Formula Presented] are measured to be [Formula Presented] and [Formula Presented], respectively. We set upper limits on the cross sections for [Formula Presented], [Formula Presented], [Formula Presented], and [Formula Presented] processes. The analysis is based on [Formula Presented] of data collected by the Belle experiment at the KEKB [Formula Presented] asymmetric collider. © 2004 The American Physical Society.

    DOI: 10.1103/PhysRevD.70.071101

  • Search for B--> J/psi Lambda(p)over-bar decay Reviewed

    Zang SL, Abe K, Abe K, Abe T, Adachi I, Ahn BS, Aihara H, Akatsu M, Asano Y, Aso T, Aulchenko V, Aushev T, Bakich AM, Ban Y, Bizjak I, Bondar A, Bozek A, Bracko M, Browder TE, Chang P, Chao Y, Chen KF, Cheon BG, Chistov R, Choi SK, Choi Y, Choi YK, Chuvikov A, Danilov M, Dong LY, Eidelman S, Eiges V, Enari Y, Fukunaga C, Gabyshev N, Gershon T, Gokhroo G, Golob B, Guo R, Hagner C, Handa F, Hastings NC, Hayashii H, Hazumi M, Higuchi T, Hinz L, Hokuue T, Hoshi Y, Hou WS, Huang HC, Iijima T, Inami K, Ishikawa A, Itoh R, Iwasaki H, Iwasaki M, Iwasaki Y, Kang JH, Kang JS, Kapusta P, Katayama N, Kawai H, Kawasaki T, Kichimi H, Kim HJ, Kim JH, Kim SK, Kinoshita K, Koppenburg P, Korpar S, Krizan P, Krokovny P, Kumar S, Kuzmin A, Kwon YJ, Lange JS, Leder G, Lee SH, Lesiak T, Li J, Limosani A, Lin SW, Liventsev D, MacNaughton J, Majumder G, Mandl F, Matsumoto T, Matyja A, Mitaroff W, Miyabayashi K, Miyake H, Miyata H, Mohapatra D, Mori T, Nagamine T, Nagasaka Y, Nakao M, Nakazawa H, Natkaniec Z, Nishida S, Nitoh O, Ogawa S, Ohshima T, Okabe T, Okuno S, Olsen SL, Ostrowicz W, Ozaki H, Palka H, Park H, Parslow N, Piilonen LE, Sagawa H, Saitoh S, Sakai Y, Sarangi TR, Satapathy M, Satpathy A, Schneider O, Semenov S, Senyo K, Seuster R, Sevior ME, Shibuya H, Sidorov V, Singh JB, Soni N, Stanic S, Staric M, Sugi A, Sugiyama A, Sumisawa K, Sumiyoshi T, Suzuki SY, Takasaki F, Tamai K, Tamura N, Tanaka M, Taylor GN, Teramoto Y, Tomura T, Tsuboyama T, Tsukamoto T, Uehara S, Ueno K, Uno S, Varner G, Wang CC, Wang CH, Wang JG, Watanabe Y, Won E, Yabsley BD, Yamada Y, Yamaguchi A, Yamashita Y, Yamauchi M, Yanai H, Ying J, Yuan Y, Zhang CC, Zhang ZP, Zhilich V, Zontar D

    PHYSICAL REVIEW D   69 ( 1 )   2004.01( ISSN:0556-2821

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    DOI: 10.1103/PhysRevD.69.017101

  • First measurement of the double-inclusive B/B̄ hadron energy distribution in e+e- annihilations, and of angle-dependent moments of the B and B̄ energies Reviewed

    K. Abe, et. al. [SLD Collaboration]

    Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics   578   45 - 53   2004.01( ISSN:03702693

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    We have made the first measurement of the double-inclusive B/B̄ energy distribution in e+e- annihilations, using a sample of 400 000 hadronic Z0-decay events recorded in the SLD experiment at SLAC between 1996 and 1998. The small and stable SLC beam spot and the CCD-based vertex detector were used to reconstruct B/B̄-decay vertices with high efficiency and purity, and to provide precise measurements of the kinematic quantities used to calculate the B energies in this novel technique. We measured the B/B̄ energies with good efficiency and resolution over the full kinematic range. We measured moments of the scaled energies of the B and B̄ hadrons vs. the opening angle between them. By comparing these results with perturbative QCD predictions we tested the ansatz of factorisation in heavy-quark production. A recent next-to-leading order calculation reproduces the data. © 2003 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.physletb.2003.10.057

  • Measurements of the D<inf>sj</inf> Resonance Properties Reviewed

    Y. Mikami, et. al. [Belle Collaboation]

    Physical Review Letters   92   120021 - 120026   2004.01( ISSN:00319007

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    The properties of the Dsj resonances were measured. The radiative decay mode and the dipion decay mode were observed and their branching fractions were also determined. Monte Carlo simulation was used that treats the Dsj(2317) as a scalar particle with mass 2317 MeV/c 2. The results show that no corresponding decays are observed for the Dsj(2317) state.