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Measurement of D0- D ̄ 0 mixing and search for indirect CP violation using D0 → KS0 π+π- Decays MEASUREMENT of D0- D ̄ 0 MIXING and ... T. PENG et al.

  • T. Peng
  • , Z. P. Zhang
  • , A. Abdesselam
  • , I. Adachi
  • , H. Aihara
  • , K. Arinstein
  • , D. M. Asner
  • , V. Aulchenko
  • , T. Aushev
  • , R. Ayad
  • , A. M. Bakich
  • , A. Bala
  • , V. Bhardwaj
  • , B. Bhuyan
  • , A. Bobrov
  • , A. Bondar
  • , G. Bonvicini
  • , A. Bozek
  • , D. Červenkov
  • , V. Chekelian
  • A. Chen, B. G. Cheon, I. S. Cho, K. Cho, V. Chobanova, Y. Choi, D. Cinabro, J. Dalseno, M. Danilov, Z. DoleŽal, Z. Drásal, A. Drutskoy, D. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, T. Ferber, O. Frost, V. Gaur, S. Ganguly, A. Garmash, R. Gillard, Y. M. Goh, B. Golob, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, X. H. He, Y. Hoshi, W. S. Hou, H. J. Hyun, T. Iijima, A. Ishikawa, R. Itoh, Y. Iwasaki, T. Iwashita, I. Jaegle, T. Julius, J. H. Kang, E. Kato, P. Katrenko, H. Kawai, T. Kawasaki, H. Kichimi, D. Y. Kim, H. J. Kim, J. B. Kim, J. H. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, J. Klucar, B. R. Ko, P. Kodyš, S. Korpar, P. KriŽan, P. Krokovny, B. Kronenbitter, T. Kuhr, R. Kumar, T. Kumita, A. Kuzmin, S. H. Lee, Y. Li, L. Li Gioi, J. Libby, C. Liu, Y. Liu, Z. Q. Liu, D. Liventsev, P. Lukin, K. Miyabayashi, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, R. Mussa, M. Nakao, Z. Natkaniec, M. Nayak, E. Nedelkovska, N. K. Nisar, S. Nishida, O. Nitoh, S. Ogawa, P. Pakhlov, H. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, E. RibeŽl, M. Ritter, M. Röhrken, A. Rostomyan, H. Sahoo, T. Saito, Y. Sakai, S. Sandilya, D. Santel, L. Santelj, T. Sanuki, Y. Sato, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, A. J. Schwartz, R. Seidl, D. Semmler, K. Senyo, M. E. Sevior, M. Shapkin, V. Shebalin, C. P. Shen, T. A. Shibata, J. G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, Y. S. Sohn, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, T. Sumiyoshi, U. Tamponi, G. Tatishvili, Y. Teramoto, K. Trabelsi, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, P. Urquijo, Y. Ushiroda, Y. Usov, C. Van Hulse, P. Vanhoefer, G. Varner, K. E. Varvell, A. Vinokurova, V. Vorobyev, M. N. Wagner, C. H. Wang, M. Z. Wang, P. Wang, X. L. Wang, M. Watanabe, Y. Watanabe, S. Wehle, K. M. Williams, E. Won, Y. Yamashita, S. Yashchenko, Y. Yook, C. Z. Yuan, C. C. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc
  • University of Science and Technology of China
  • University of Tabuk
  • High Energy Accelerator Research Organization, Tsukuba
  • The University of Tokyo
  • Novosibirsk State University
  • Pacific Northwest National Laboratory
  • Alikhanov Institute for Theoretical and Experimental Physics
  • The University of Sydney
  • Panjab University
  • Nara Women's University
  • Indian Institute of Technology Guwahati
  • Wayne State University
  • H. Niewodniczanski Institute of Nuclear Physics
  • Charles University
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • National Central University
  • Hanyang University
  • Yonsei University
  • Korea Institute of Science and Technology Information
  • Sungkyunkwan University
  • Technische Universität München
  • Moscow Engineering Physics Institute
  • German Electron Synchrotron
  • Tata Institute of Fundamental Research
  • Jožef Stefan Institute
  • University of Ljubljana
  • Nagoya University
  • Peking University
  • Tohoku Gakuin University
  • National Taiwan University
  • Kyungpook National University
  • Tohoku University
  • University of Hawai'i at Mānoa
  • University of Melbourne
  • Chiba University
  • Niigata University
  • Soongsil University
  • Korea University
  • University of Cincinnati
  • University of Maribor
  • Karlsruhe Institute of Technology
  • Punjab Agricultural University
  • Tokyo Metropolitan University
  • Virginia Polytechnic Institute and State University
  • Indian Institute of Technology Madras
  • CAS - Institute of High Energy Physics
  • National Institute for Nuclear Physics
  • Tokyo University of Agriculture and Technology
  • Toho University
  • Luther College, Decorah
  • University of Pittsburgh
  • Swiss Federal Institute of Technology Lausanne
  • University of the Basque Country
  • Ikerbasque Basque Foundation for Science
  • Austrian Academy of Sciences
  • Riken BNL Research Center
  • Justus Liebig University Giessen
  • Yamagata University
  • Institute for High Energy Physics
  • Beihang University
  • Institute of Science Tokyo
  • University of Nova Gorica
  • University of Turin
  • Osaka Metropolitan University
  • Moscow Institute of Physics and Technology
  • University of Bonn
  • National United University Taiwan
  • Kanagawa University
  • Nippon Dental University

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

We report a measurement of D0-D̄0 mixing parameters and a search for indirect CP violation through a time-dependent amplitude analysis of D0→KS0π+π- decays. The results are based on 921fb-1 of data accumulated with the Belle detector at the KEKB asymmetric-energy e+e- collider. Assuming CP conservation, we measure the mixing parameters x=(0.56±0.19- 0.09-0.09+0.03+0.06)% and y=(0.30±0.15-0.05-0.06+0.04+0.03)%, where the errors are statistical, experimental systematic, and systematic due to the amplitude model, respectively. With CP violation allowed, the parameters |q/p|=0.90-0.15-0.04-0.05+0.16+0.05+0.06 and arg(q/p)=(-6±11±3- 4+3)° are found to be consistent with conservation of CP symmetry in mixing and in the interference between mixing and decay, respectively.

Original languageEnglish
Article number091103
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume89
Issue number9
DOIs
StatePublished - 30 May 2014

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