Study of three-body charmless B decays -: art. no. 092005

被引：50

作者：

Garmash, A ^{[1
]}

Abe, K

Abe, N

Abe, T

Adachi, I

Aihara, H

Asano, Y

Aso, T

Aulchenko, V

Aushev, T

Bakich, AM

Ban, Y

Banas, E

Behari, S

Behera, PK

Bondar, A

Bozek, A

Bracko, M

Browder, TE

Casey, BCK

Chang, P

Chao, Y

Cheon, BG

Chistov, R

Choi, SK

Choi, Y

Dong, LY

Drutskoy, A

Eidelman, S

Eiges, V

Fang, F

Fujii, H

Fukunaga, C

Fukushima, M

Gabyshev, N

Gershon, T

Gordon, A

Gotow, K

Guo, R

Haba, J

Hamasaki, H

Handa, F

Hara, K

Hara, T

Hastings, NC

Hayashii, H

Hazumi, M

Heenan, EM

Higuchi, I

机构：

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

[2] Aomori Univ, Aomori, Japan

[3] Chiba Univ, Chiba, Japan

[4] Chuo Univ, Tokyo 112, Japan

[5] Univ Cincinnati, Cincinnati, OH USA

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

[7] Gyeongsang Natl Univ, Chinju, South Korea

[8] Univ Hawaii, Honolulu, HI 96822 USA

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

[10] Hiroshima Inst Technol, Hiroshima, Japan

[11] Univ Tokyo, Inst Cosm Ray Res, Tokyo, Japan

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

[13] Inst High Energy Phys, Vienna, Austria

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

[15] Jozef Stefan Inst, Ljubljana, Slovenia

[16] Kanagawa Univ, Yokohama, Kanagawa, Japan

[17] Korea Univ, Seoul 136701, South Korea

[18] Kyoto Univ, Kyoto, Japan

[19] Univ Lausanne, IPHE, Lausanne, Switzerland

[20] Univ Ljubljana, Ljubljana, Slovenia

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

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

[23] Nagoya Univ, Nagoya, Aichi, Japan

[24] Nara Womens Univ, Nara 630, Japan

[25] Natl Kaohsiung Normal Univ, Kaohsiung, Taiwan

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

[27] Natl Taiwan Univ, Taipei 10764, Taiwan

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

[29] Nihon Dent Coll, Niigata, Japan

[30] Niigata Univ, Niigata, Japan

[31] Osaka City Univ, Osaka 558, Japan

[32] Osaka Univ, Osaka, Japan

[33] Panjab Univ, Chandigarh 160014, India

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

[35] Princeton Univ, Princeton, NJ 08544 USA

[36] Saga Univ, Saga 840, Japan

[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] Utkal Univ, Bhubaneswar 751004, Orissa, India

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

来源：

PHYSICAL REVIEW D | 2002年 / 65卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.65.092005

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on a study of three-body charmless decays B+-->K(+)h(+)h(-) based on a 29.1 fb(-1) data sample collected with the Belle detector. With no assumptions on the intermediate mechanisms, the following three-body branching fractions have been measured for the first time: B(B+-->K(+)pi(-)pi(+)) = (55.6+/-5.8+/-7.7) x 10(-6) and B(B+-->K+K-K+) = (35.3+/-3.7+/-4.5) x 10(-6). We present the first observation of the decay B+-->f(0)(980)K+ with a branching fraction product of B(B+-->f(0)(980)K+) x B(f(0)(980)-->pi(+)pi(-)) = (9.6(-2.3-1.5-0.8)(+2.5+1.5+3.4)) x 10(-6). This is the first reported example of a B meson decay to a scalar pseudoscalar final state. We also report the first observation of B+-->K*(892)(0)pi(+) decay with a branching fraction of B(B+-->K*(892)(0)pi(+)) = (19.4(-3.9-2.1-6.8)(+4.2+2.1+3.5)) x 10(-6).

引用

页码：920051 / 9200511

页数：11

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