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Measurement of time-dependent CP violation in B 0 → η′K 0 decays

L. Šantelj, Y. Yusa, A. Abdesselam, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, V. Aulchenko, T. Aushev, R. Ayad, S. Bahinipati, A. M. Bakich (+153 others)
2014 Journal of High Energy Physics  

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2014 pre-print
arXiv:1408.5991v1 fatcat:2t4bjjm4bfb33eqrzfuzdmatqi
2014 accepted
arXiv:1408.5991v2 fatcat:lohy36wl4vdk3juustxpx6dm54
We present a measurement of the time-dependent CP violation parameters in B^0→η'K^0 decays. The measurement is based on the full data sample containing 772× 10^6 BB̅ pairs collected at the Υ(4S) resonance using the Belle detector at the KEKB asymmetric-energy e^+e^- collider. The measured values of the mixing-induced and direct CP violation parameters are: sin 2 ϕ^ eff_1 &= +0.68± 0.07 ± 0.03, A_η'K^0 &= +0.03± 0.05± 0.04, where the first uncertainty is statistical and the second is systematic.
more » ... The values obtained are the most accurate to date. Furthermore, these results are consistent with our previous measurements and with the world-average value of sin 2ϕ_1 measured in B^0→ J/ψ K^0 decays.
doi:10.1007/jhep10(2014)165 fatcat:455rxekjmzhlxikyv6scn4fnxa
DOAJ Multiple Versions
Citation

L. Šantelj, Y. Yusa, A. Abdesselam, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, V. Aulchenko, T. Aushev, R. Ayad, S. Bahinipati, A. M. Bakich, V. Bansal, V. Bhardwaj, B. Bhuyan, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, D. Červenkov, V. Chekelian, A. Chen, B. G. Cheon, K. Chilikin, K. Cho, V. Chobanova, Y. Choi, D. Cinabro, J. Dalseno, M. Danilov, Z. Doležal, Z. Drásal, A. Drutskoy, S. Eidelman, H. Farhat, J. E. Fast, T. Ferber, O. Frost, V. Gaur, N. Gabyshev, S. Ganguly, A. Garmash, R. Gillard, R. Glattauer, Y. M. Goh, B. Golob, J. Haba, K. Hara, K. Hayasaka, H. Hayashii, X. H. He, T. Higuchi, W.-S. Hou, H. J. Hyun, K. Inami, A. Ishikawa, R. Itoh, Y. Iwasaki, I. Jaegle, K. K. Joo, H. Kakuno, E. Kato, T. Kawasaki, C. Kiesling, D. Y. Kim, H. J. Kim, J. B. Kim, J. H. Kim, K. T. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, S. Korpar, P. Križan, P. Krokovny, T. Kuhr, T. Kumita, A. Kuzmin, Y.-J. Kwon, J. Li, Y. Li, L. Li Gioi, J. Libby, D. Liventsev, D. Matvienko, K. Miyabayashi, H. Miyata, G. B. Mohanty, A. Moll, T. Mori, E. Nakano, M. Nakao, T. Nanut, Z. Natkaniec, E. Nedelkovska, N. K. Nisar, S. Nishida, S. Ogawa, S. Okuno, S. L. Olsen, P. Pakhlov, G. Pakhlova, H. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, E. Ribežl, M. Ritter, A. Rostomyan, Y. Sakai, S. Sandilya, T. Sanuki, Y. Sato, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, A. J. Schwartz, K. Senyo, M. E. Sevior, V. Shebalin, C. P. Shen, T.-A. Shibata, J.-G. Shiu, F. Simon, Y.-S. Sohn, A. Sokolov, E. Solovieva, M. Starič, M. Steder, M. Sumihama, U. Tamponi, G. Tatishvili, Y. Teramoto, K. Trabelsi, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, P. Urquijo, S. E. Vahsen, C. Van Hulse, P. Vanhoefer, G. Varner, V. Vorobyev, A. Vossen, M. N. Wagner, C. H. Wang, M.-Z. Wang, P. Wang, X. L. Wang, Y. Watanabe, S. Wehle, K. M. Williams, E. Won, S. Yashchenko, Y. Yook, Z. P. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc. "Measurement of time-dependent CP violation in B 0 → η′K 0 decays." Journal of High Energy Physics 2014.10 (2014)