Study of time-dependent CP-violating asymmetries in b→s(q)over-bar-q decays -: art. no. 031102

被引：33

作者：

Abe, K ^{[1
]}

Abe, T

Adachi, I

Aihara, H

Akai, K

Akatsu, M

Akemoto, M

Asano, Y

Aso, T

Aulchenko, V

Aushev, T

Bakich, AM

Ban, Y

Bay, A

Bizjak, I

Bondar, A

Bozek, A

Bracko, M

Brodzicka, J

Browder, TE

Casey, BCK

Chang, P

Chao, Y

Chen, KF

Cheon, BG

Chistov, R

Choi, SK

Choi, Y

Choi, YK

Drutskoy, A

Eidelman, S

Eiges, V

Enari, Y

Fukunaga, C

Furukawa, K

Gabyshev, N

Garmash, A

Gershon, T

Golob, B

Gordon, A

Haba, J

Hara, K

Hayashii, H

Hazumi, M

Higuchi, T

Hojo, T

Hoshi, Y

Hou, WS

Hsiung, YB

Huang, HC

机构：

[1] High Energy Accelerator Res Org, Tsukuba, Ibaraki, Japan

[2] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[3] Chiba Univ, Chiba, Japan

[4] Chuo Univ, Tokyo 112, Japan

[5] Univ Cincinnati, Cincinnati, OH 45221 USA

[6] Goethe Univ Frankfurt, D-6000 Frankfurt, Germany

[7] Gyeongsang Natl Univ, Chinju, South Korea

[8] Univ Hawaii, Honolulu, HI 96822 USA

[9] Hiroshima Inst Technol, Hiroshima, Japan

[10] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China

[11] Inst High Energy Phys, Vienna, Austria

[12] Inst Theoret & Expt Phys, Moscow 117259, Russia

[13] Jozef Stefan Inst, Ljubljana, Slovenia

[14] Kanagawa Univ, Yokohama, Kanagawa, Japan

[15] Korea Univ, Seoul 136701, South Korea

[16] Kyoto Univ, Kyoto, Japan

[17] Kyungpook Natl Univ, Taegu 702701, South Korea

[18] Univ Lausanne, Inst Phys Hautes Energies, Lausanne, Switzerland

[19] Univ Ljubljana, Ljubljana, Slovenia

[20] Univ Maribor, SLO-2000 Maribor, Slovenia

[21] Univ Melbourne, Parkville, Vic 3052, Australia

[22] Nagoya Univ, Nagoya, Aichi, Japan

[23] Nara Womens Univ, Nara 630, Japan

[24] Natl Lien Ho Inst Technol, Miao Li, Peoples R China

[25] Natl Taiwan Univ, Taipei 10764, Taiwan

[26] H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland

[27] Nihon Dent Coll, Niigata, Japan

[28] Niigata Univ, Niigata, Japan

[29] Osaka City Univ, Osaka 558, Japan

[30] Osaka Univ, Osaka, Japan

[31] Panjab Univ, Chandigarh 160014, India

[32] Peking Univ, Beijing 100871, Peoples R China

[33] Princeton Univ, Princeton, NJ 08545 USA

[34] RIKEN BNL Res Ctr, Upton, NY 11973 USA

[35] Saga Univ, Saga 840, Japan

[36] Univ Sci & Technol China, Hefei 230026, Peoples R China

[37] Seoul Natl Univ, Seoul, South Korea

[38] Sungkyunkwan Univ, Suwon, South Korea

[39] Univ Sydney, Sydney, NSW 2006, Australia

[40] Toho Univ, Funabashi, Chiba 274, Japan

[41] Tohoku Gakuin Univ, Tagajo, Miyagi, Japan

[42] Tohoku Univ, Sendai, Miyagi 980, Japan

[43] Univ Tokyo, Tokyo, Japan

[44] Tokyo Inst Technol, Tokyo 152, Japan

[45] Tokyo Metropolitan Univ, Tokyo 158, Japan

[46] Tokyo Univ Agr & Technol, Tokyo, Japan

[47] Toyama Natl Coll Maritime Technol, Toyama, Japan

[48] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan

[49] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA

[50] Yokkaichi Univ, Yokaichi, Japan

来源：

PHYSICAL REVIEW D | 2003年 / 67卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.67.031102

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a measurement of CP-violation parameters in the b-->s (q) over barq penguin transitions (q=s,u,d) based on a 78 fb(-1) data sample collected at the Y(4S) resonance with the Belle detector at the KEKB energy-asymmetric e(+)e(-) collider. One neutral B meson is reconstructed in the phiK(S)(0), (K+K-KS0), or eta'K-S(0) decay channel, and the flavor of the accompanying B meson is identified from its decay products. CP violation parameters for each of the three modes are obtained from the asymmetries in the distributions of the proper-time intervals between the two B decays.

引用

页数：6

共 27 条

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