Measurements of time-dependent CP violation in B0→ωKS0, f0(980)KS0, KS0π0 and K+K-KS0 decays

Y. Chao, K. F. Chen, H. Miyake, O. Tajima, K. Trabelsi, K. Abe, K. Abe, I. Adachi, H. Aihara, D. Anipko, A. M. Bakich, E. Barberio, U. Bitenc, I. Bizjak, S. Blyth, A. Bondar, M. Bračko, T. E. Browder, M. C. Chang, P. ChangA. Chen, W. T. Chen, B. G. Cheon, R. Chistov, Y. Choi, Y. K. Choi, S. Cole, J. Dalseno, M. Danilov, M. Dash, J. Dragic, A. Drutskoy, S. Eidelman, S. Fratina, N. Gabyshev, B. Golob, H. Ha, J. Haba, K. Hara, T. Hara, N. C. Hastings, H. Hayashii, M. Hazumi, D. Heffernan, T. Higuchi, T. Hokuue, Y. Hoshi, W. S. Hou, Y. B. Hsiung, T. Iijima, K. Ikado, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, M. Iwasaki, Y. Iwasaki, H. Kaji, J. H. Kang, P. Kapusta, H. Kawai, T. Kawasaki, H. J. Kim, H. O. Kim, Y. J. Kim, K. Kinoshita, S. Korpar, P. Križan, P. Krokovny, R. Kulasiri, R. Kumar, C. C. Kuo, A. Kuzmin, Y. J. Kwon, M. J. Lee, T. Lesiak, A. Limosani, S. W. Lin, D. Liventsev, T. Matsumoto, S. McOnie, K. Miyabayashi, H. Miyata, Y. Miyazaki, R. Mizuk, D. Mohapatra, G. R. Moloney, Y. Nakahama, E. Nakano, M. Nakao, Z. Natkaniec, S. Nishida, O. Nitoh, S. Ogawa, S. Okuno, S. L. Olsen, Y. Onuki, H. Ozaki, P. Pakhlov, G. Pakhlova, C. W. Park, R. Pestotnik, L. E. Piilonen, Y. Sakai, N. Satoyama, T. Schietinger, O. Schneider, A. J. Schwartz, R. Seidl, K. Senyo, M. E. Sevior, M. Shapkin, H. Shibuya, J. B. Singh, A. Somov, N. Soni, S. Stanič, M. Starič, H. Stoeck, K. Sumisawa, T. Sumiyoshi, S. Suzuki, F. Takasaki, K. Tamai, M. Tanaka, G. N. Taylor, Y. Teramoto, X. C. Tian, I. Tikhomirov, T. Tsukamoto, S. Uehara, K. Ueno, Y. Unno, S. Uno, Y. Ushiroda, Y. Usov, G. Varner, K. E. Varvell, S. Villa, A. Vinokurova, C. H. Wang, Y. Watanabe, E. Won, B. D. Yabsley, A. Yamaguchi, Y. Yamashita, M. Yamauchi, Y. Yusa, V. Zhilich, V. Zhulanov, A. Zupanc

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Abstract

We present measurements of time-dependent CP asymmetries in B0→ωKS0, f0(980)KS0, KS0π0 and K+K-KS0 decays based on a sample of 535×106 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider. One neutral B meson is fully reconstructed in one of the specified decay channels, and the flavor of the accompanying B meson is identified from its decay products. CP-violation parameters for each of the decay modes are obtained from the asymmetries in the distributions of the proper-time intervals between the two B decays.

Original languageEnglish
Article number091103
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume76
Issue number9
DOIs
Publication statusPublished - 2007 Nov 27

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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    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., Bračko, M., Browder, T. E., Chang, M. C., ... Zupanc, A. (2007). Measurements of time-dependent CP violation in B0→ωKS0, f0(980)KS0, KS0π0 and K+K-KS0 decays. Physical Review D - Particles, Fields, Gravitation and Cosmology, 76(9), [091103]. https://doi.org/10.1103/PhysRevD.76.091103