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)]%.

引用

页数：7

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