Search for CP-violating charge asymmetry in B± → J/ψK± decays

被引:7
作者
Sakai, K. [1 ]
Kawasaki, T. [1 ]
Aihara, H. [47 ]
Arinstein, K. [35 ,53 ]
Aushev, T. [15 ,22 ]
Bakich, A. M. [41 ]
Balagura, V. [15 ]
Barberio, E. [26 ]
Belous, K. [14 ]
Bhardwaj, V. [37 ]
Bhuyan, B. [11 ]
Bischofberger, M. [28 ]
Bondar, A. [35 ,53 ]
Bozek, A. [32 ]
Bracko, M. [16 ,24 ]
Browder, T. E. [9 ]
Chang, M-C [5 ]
Chao, Y. [31 ]
Chen, A. [29 ]
Chen, K-F [31 ]
Chen, P. [31 ]
Cheon, B. G. [8 ]
Chiang, C-C [31 ]
Cho, K. [19 ]
Choi, Y. [40 ]
Dalseno, J. [25 ,43 ]
Dolezal, Z. [2 ]
Drasal, Z. [2 ]
Dungel, W. [13 ]
Eidelman, S. [35 ,53 ]
Feindt, M. [18 ]
Golob, B. [16 ,23 ]
Ha, H. [20 ]
Haba, J. [10 ]
Hayasaka, K. [27 ]
Hayashii, H. [28 ]
Horii, Y. [46 ]
Hoshi, Y. [45 ]
Hou, W-S [31 ]
Hyun, H. J. [21 ]
Inami, K. [27 ]
Itoh, R. [10 ]
Iwabuchi, M. [52 ]
Iwasaki, Y. [10 ]
Kang, J. H. [52 ]
Kawai, H. [3 ]
Kichimi, H. [10 ]
Kiesling, C. [25 ]
Kim, H. J. [21 ]
Kim, J. H. [19 ]
机构
[1] Niigata Univ, Niigata, Japan
[2] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic
[3] Chiba Univ, Chiba, Japan
[4] Univ Cincinnati, Cincinnati, OH 45221 USA
[5] Fu Jen Catholic Univ, Dept Phys, Taipei, Taiwan
[6] Univ Giessen, Giessen, Germany
[7] Grad Univ Adv Studies, Hayama, Kanagawa, Japan
[8] Hanyang Univ, Seoul 133791, South Korea
[9] Univ Hawaii, Honolulu, HI 96822 USA
[10] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki, Japan
[11] Indian Inst Technol Guwahati, Gauhati, Assam, India
[12] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China
[13] Inst High Energy Phys, Vienna, Austria
[14] Inst High Energy Phys, Protvino, Russia
[15] Inst Theoret & Expt Phys, Moscow, Russia
[16] Jozef Stefan Inst, Ljubljana, Slovenia
[17] Kanagawa Univ, Yokohama, Kanagawa, Japan
[18] Karlsruher Inst Technol, Inst Expt Kernphys, Karlsruhe, Germany
[19] Korea Inst Sci & Technol Informat, Taejon, South Korea
[20] Korea Univ, Seoul, South Korea
[21] Kyungpook Natl Univ, Taegu 702701, South Korea
[22] Ecole Polytech Fed Lausanne, Lausanne, Switzerland
[23] Univ Ljubljana, Fac Math & Phys, Ljubljana, Slovenia
[24] Univ Maribor, SLO-2000 Maribor, Slovenia
[25] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[26] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia
[27] Nagoya Univ, Nagoya, Aichi 4648601, Japan
[28] Nara Womens Univ, Nara 630, Japan
[29] Natl Cent Univ, Chungli 32054, Taiwan
[30] Natl United Univ, Miaoli, Taiwan
[31] Natl Taiwan Univ, Dept Phys, Taipei, Taiwan
[32] H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland
[33] Nippon Dent Univ, Niigata, Japan
[34] Univ Nova Gorica, Nova Gorica, Slovenia
[35] Novosibirsk State Univ, Novosibirsk 630090, Russia
[36] Osaka City Univ, Osaka 558, Japan
[37] Panjab Univ, Chandigarh 160014, India
[38] Univ Sci & Technol China, Hefei 230026, Peoples R China
[39] Seoul Natl Univ, Seoul, South Korea
[40] Sungkyunkwan Univ, Suwon, South Korea
[41] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia
[42] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[43] Tech Univ Munich, D-8046 Garching, Germany
[44] Toho Univ, Funabashi, Chiba 274, Japan
[45] Tohoku Gakuin Univ, Tagajo, Miyagi, Japan
[46] Tohoku Univ, Sendai, Miyagi 980, Japan
[47] Univ Tokyo, Dept Phys, Tokyo 113, Japan
[48] Tokyo Metropolitan Univ, Tokyo 158, Japan
[49] Tokyo Univ Agr & Technol, Tokyo, Japan
[50] Virginia Polytech Inst & State Univ, IPNAS, Blacksburg, VA 24061 USA
来源
PHYSICAL REVIEW D | 2010年 / 82卷 / 09期
关键词
D O I
10.1103/PhysRevD.82.091104
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the result of a search for charge asymmetry in B-+/- -> J/psi K-+/- decays using 772 X 10(6) B (B) over bar pairs collected at the Y(4S) resonance by the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The CP-violating charge asymmetry is measured to be A(CP)(B+ -> J/psi K+) = [-0.76 +/- 0.50 (stat) +/- 0.22 (syst)]%.
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页数:7
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