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Time-dependent CP-violating asymmetry in B0→ρ0γ decays

  • Y. Ushiroda
  • , K. Sumisawa
  • , N. Taniguchi
  • , I. Adachi
  • , H. Aihara
  • , K. Arinstein
  • , T. Aushev
  • , S. Bahinipati
  • , A. M. Bakich
  • , V. Balagura
  • , E. Barberio
  • , K. Belous
  • , U. Bitenc
  • , A. Bondar
  • , A. Bozek
  • , M. Bračko
  • , T. E. Browder
  • , P. Chang
  • , Y. Chao
  • , A. Chen
  • W. T. Chen, B. G. Cheon, R. Chistov, I. S. Cho, Y. Choi, J. Dalseno, M. Dash, S. Eidelman, D. Epifanov, N. Gabyshev, B. Golob, H. Ha, J. Haba, K. Hara, T. Hara, K. Hayasaka, M. Hazumi, D. Heffernan, T. Hokuue, Y. Hoshi, W. S. Hou, H. J. Hyun, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, Y. Iwasaki, D. H. Kah, J. H. Kang, H. Kawai, T. Kawasaki, H. Kichimi, Y. J. Kim, K. Kinoshita, S. Korpar, P. Križan, P. Krokovny, R. Kumar, C. C. Kuo, A. Kuzmin, Y. J. Kwon, M. J. Lee, S. E. Lee, T. Lesiak, S. W. Lin, D. Liventsev, F. Mandl, S. McOnie, T. Medvedeva, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, D. Mohapatra, G. R. Moloney, Y. Nagasaka, M. Nakao, H. Nakazawa, S. Nishida, O. Nitoh, S. Noguchi, T. Nozaki, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, P. Pakhlov, G. Pakhlova, C. W. Park, H. Park, L. S. Peak, L. E. Piilonen, H. Sahoo, Y. Sakai, O. Schneider, J. Schümann, A. J. Schwartz, K. Senyo, M. E. Sevior, M. Shapkin, C. P. Shen, H. Shibuya, J. G. Shiu, B. Shwartz, J. B. Singh, A. Sokolov, A. Somov, S. Stanič, M. Starič, T. Sumiyoshi, O. Tajima, F. Takasaki, K. Tamai, M. Tanaka, Y. Teramoto, I. Tikhomirov, K. Trabelsi, S. Uehara, K. Ueno, T. Uglov, Y. Unno, S. Uno, P. Urquijo, Y. Usov, G. Varner, K. Vervink, S. Villa, C. C. Wang, C. H. Wang, M. Z. Wang, P. Wang, X. L. Wang, Y. Watanabe, E. Won, B. D. Yabsley, A. Yamaguchi, Y. Yamashita, M. Yamauchi, Z. P. Zhang, A. Zupanc, O. Zyukova
  • High Energy Accelerator Research Organization (KEK)
  • Kyoto University
  • University of Tokyo
  • Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
  • Institute for Theoretical and Experimental Physics
  • ENAC-IIC-GEL
  • University of Cincinnati
  • University of Sydney
  • University of Melbourne
  • Kurchatov Institute
  • Department of Biochemistry and Molecular and Structural Biology
  • Institute for Nuclear Physics
  • University of Maribor
  • University of Hawaii
  • National Taiwan University
  • National Central University
  • Hanyang University
  • Yonsei University
  • Sungkyunkwan University
  • Virginia Polytechnic Institute and State University
  • University of Ljubljana
  • Korea University
  • Nagoya University
  • Osaka University
  • Tohoku Gakuin University
  • Kyungpook National University
  • Saga University
  • Tokyo Institute of Technology
  • Chiba University
  • Niigata University
  • The Graduate University for Advanced Studies
  • Panjab University
  • Seoul National University
  • Institut für Hochenergiephysik
  • Nara Women's University
  • Hiroshima Institute of Technology
  • Tokyo University of Agriculture and Technology
  • Toho University
  • Kanagawa University
  • Institute of High Energy Physics, Chinese Academy of Sciences
  • University of Nova Gorica
  • Tokyo Metropolitan University
  • Osaka City University
  • National United University Taiwan
  • Tohoku University
  • Nippon Dental University
  • University of Science and Technology of China

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

14 Citations (Scopus)

Résumé

We report the first measurement of CP-violation parameters in B0→ρ0γ decays based on a data sample of 657×106BB̄ pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We obtain the time-dependent and direct CP-violating parameters, Sρ0γ=-0.83±0.65(stat)±0.18(syst) and Aρ0γ=-0.44±0.49(stat)±0.14(syst), respectively.

langue originaleAnglais
Numéro d'article021602
journalPhysical Review Letters
Volume100
Numéro de publication2
Les DOIs
étatPublié - 18 janv. 2008
Modification externeOui

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