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Angular analysis of B0→φK* decays and search for CP violation at Belle

  • M. Prim
  • , I. Adachi
  • , H. Aihara
  • , D. M. Asner
  • , T. Aushev
  • , A. M. Bakich
  • , A. Bala
  • , B. Bhuyan
  • , G. Bonvicini
  • , A. Bozek
  • , M. Bračko
  • , T. E. Browder
  • , D. Červenkov
  • , M. C. Chang
  • , P. Chang
  • , V. Chekelian
  • , A. Chen
  • , P. Chen
  • , B. G. Cheon
  • , R. Chistov
  • K. Cho, V. Chobanova, Y. Choi, D. Cinabro, M. Danilov, Z. Doležal, Z. Drásal, D. Dutta, S. Eidelman, H. Farhat, M. Feindt, T. Ferber, A. Frey, V. Gaur, S. Ganguly, R. Gillard, Y. M. Goh, B. Golob, H. Hayashii, M. Heider, Y. Hoshi, W. S. Hou, Y. B. Hsiung, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, I. Jaegle, T. Julius, D. H. Kah, H. Kawai, T. Kawasaki, H. Kichimi, C. Kiesling, D. Y. Kim, H. O. Kim, J. B. Kim, J. H. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, J. Klucar, B. R. Ko, P. Kodyš, P. Križan, P. Krokovny, B. Kronenbitter, T. Kuhr, T. Kumita, Y. J. Kwon, J. S. Lange, S. H. Lee, J. Li, J. Libby, P. Lukin, D. Matvienko, K. Miyabayashi, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, N. Muramatsu, R. Mussa, I. Nakamura, E. Nakano, M. Nakao, M. Nayak, E. Nedelkovska, C. Niebuhr, N. K. Nisar, S. Nishida, O. Nitoh, Y. Onuki, G. Pakhlova, H. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Ritter, M. Röhrken, A. Rostomyan, M. Rozanska, H. Sahoo, T. Saito, Y. Sakai, S. Sandilya, T. Sanuki, Y. Sato, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, D. Semmler, K. Senyo, M. E. Sevior, M. Shapkin, C. P. Shen, T. A. Shibata, J. G. Shiu, A. Sibidanov, Y. S. Sohn, A. Sokolov, E. Solovieva, M. Starič, M. Steder, T. Sumiyoshi, U. Tamponi, G. Tatishvili, Y. Teramoto, K. Trabelsi, T. Tsuboyama, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, Y. Usov, S. E. Vahsen, C. Van Hulse, P. Vanhoefer, G. Varner, V. Vorobyev, C. H. Wang, M. Z. Wang, P. Wang, X. L. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, Y. Yamashita, S. Yashchenko, Z. P. Zhang, V. Zhilich, A. Zupanc
  • Karlsruhe Institute of Technology
  • High Energy Accelerator Research Organization, Tsukuba
  • The University of Tokyo
  • Pacific Northwest National Laboratory
  • Alikhanov Institute for Theoretical and Experimental Physics
  • The University of Sydney
  • Panjab University
  • Indian Institute of Technology Guwahati
  • Wayne State University
  • H. Niewodniczanski Institute of Nuclear Physics
  • Jožef Stefan Institute
  • University of Maribor
  • University of Hawai'i at Mānoa
  • Charles University
  • Fu Jen Catholic University
  • National Taiwan University
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • National Central University
  • Hanyang University
  • Korea Institute of Science and Technology Information
  • Sungkyunkwan University
  • Moscow Engineering Physics Institute
  • Novosibirsk State University
  • German Electron Synchrotron
  • University of Göttingen
  • Tata Institute of Fundamental Research
  • University of Ljubljana
  • Nara Women's University
  • Tohoku Gakuin University
  • Nagoya University
  • Tohoku University
  • University of Melbourne
  • Kyungpook National University
  • Chiba University
  • Niigata University
  • Soongsil University
  • Korea University
  • University of Cincinnati
  • Tokyo Metropolitan University
  • Yonsei University
  • Justus Liebig University Giessen
  • Seoul National University
  • Indian Institute of Technology Madras
  • Technische Universität München
  • National Institute for Nuclear Physics
  • Osaka Metropolitan University
  • Tokyo University of Agriculture and Technology
  • Luther College, Decorah
  • Virginia Polytechnic Institute and State University
  • University of Pittsburgh
  • Swiss Federal Institute of Technology Lausanne
  • University of the Basque Country
  • Ikerbasque Basque Foundation for Science
  • Austrian Academy of Sciences
  • Yamagata University
  • Institute for High Energy Physics
  • Beihang University
  • Institute of Science Tokyo
  • University of Turin
  • Moscow Institute of Physics and Technology
  • National United University Taiwan
  • CAS - Institute of High Energy Physics
  • Kanagawa University
  • Nippon Dental University
  • University of Science and Technology of China

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

We report the measurements of branching fractions and CP violation asymmetries in B0→φK* decays obtained in an angular analysis using the full data sample of 772×106BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We perform a partial wave analysis to distinguish among scalar [B0→φ(Kπ)0*], vector [B0→φK*(892)0] and tensor [B0→φK2* (1430)0] components, and determine the corresponding branching fractions to be B[B0→φ(Kπ)0*]=(4.3±0.4±0.4)×10 -6, B[B0→φK*(892)0]=(10.4±0. 5±0.6)×10-6 and B[B0→φK2*(1430)0]=(5.5-0. 7+0.9±1.0)×10-6. We also measure the longitudinal polarization fraction fL in B0→φK*(892)0 and B0→φK2*(1430)0 decays to be 0.499±0.030±0.018 and 0.918-0.060+0.029±0.012, respectively. The first quoted uncertainties are statistical and the second are systematic. In total, we measure 26 parameters related to branching fractions, polarization and CP violation in the B0→φK* system. No evidence for CP violation is found.

Original languageEnglish
Article number072004
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume88
Issue number7
DOIs
StatePublished - 10 Oct 2013

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