Study of B± → K±(KSKπ)0 decay and determination of ηc and ηc(2S) parameters

被引：23

作者：

Vinokurova, A. ^{[1
,36
]}

Kuzmin, A. ^{[1
,36
]}

Eidelman, S. ^{[1
,36
]}

Arinstein, K. ^{[1
,36
]}

Aulchenko, V. ^{[1
,36
]}

Aushev, T. ^{[14
,21
]}

Bakich, A. M. ^{[43
]}

Balagura, V. ^{[14
]}

Barberio, E. ^{[25
]}

Belous, K. ^{[12
]}

Bhardwaj, V. ^{[38
]}

Bondar, A. ^{[1
,36
]}

Bozek, A. ^{[32
]}

Bracko, M. ^{[15
,23
]}

Brodzicka, J. ^{[32
]}

Browder, T. E. ^{[8
]}

Chang, M. -C. ^{[4
]}

Chao, Y. ^{[31
]}

Chen, A. ^{[28
]}

Chen, P. ^{[31
]}

Cheon, B. G. ^{[7
]}

Chistov, R. ^{[14
]}

Cho, I. -S. ^{[53
]}

Cho, K. ^{[18
]}

Choi, S. -K. ^{[6
]}

Choi, Y. ^{[42
]}

Dalseno, J. ^{[24
,45
]}

Danilov, M. ^{[14
]}

Dolezal, Z. ^{[2
]}

Epifanov, D. ^{[1
,36
]}

Gaur, V. ^{[44
]}

Gabyshev, N. ^{[1
,36
]}

Garmash, A. ^{[1
,36
]}

Golob, B. ^{[15
,22
]}

Ha, H. ^{[19
]}

Haba, J. ^{[9
]}

Hayashii, H. ^{[27
]}

Horii, Y. ^{[47
]}

Hoshi, Y. ^{[46
]}

Hou, W. -S. ^{[31
]}

Hsiung, Y. B. ^{[31
]}

Hyun, H. J. ^{[20
]}

Iijima, T. ^{[26
]}

Inami, K. ^{[26
]}

Ishikawa, A. ^{[39
]}

Itoh, R. ^{[9
]}

Iwabuchi, M. ^{[53
]}

Iwashita, T. ^{[27
]}

Julius, T. ^{[25
]}

Kang, J. H. ^{[53
]}

机构：

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

[2] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic

[3] Univ Cincinnati, Cincinnati, OH USA

[4] Fu Jen Catholic Univ, Dept Phys, Taipei, Taiwan

[5] Gifu Univ, Gifu, Japan

[6] Gyeongsang Natl Univ, Chinju, South Korea

[7] Hanyang Univ, Seoul 133791, South Korea

[8] Univ Hawaii, Honolulu, HI 96822 USA

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

[10] Univ Illinois, Urbana, IL 61801 USA

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

[12] Inst High Energy Phys, Protvino, Russia

[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] Karlsruher Inst Technol, Inst Expt Kernphys, Karlsruhe, Germany

[18] Korea Inst Sci & Technol Informat, Taejon, South Korea

[19] Korea Univ, Seoul, South Korea

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

[21] Ecole Polytech Fed Lausanne, Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland

[22] Univ Ljubljana, Fac Math & Phys, Ljubljana, Slovenia

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

[24] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[25] Univ Melbourne, Melbourne, Vic 3010, Australia

[26] Nagoya Univ, Nagoya, Aichi 4648601, Japan

[27] Nara Womens Univ, Nara 630, Japan

[28] Natl Cent Univ, Chungli 32054, Taiwan

[29] Nucl Phys Res Ctr, Osaka, Japan

[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] Niigata Univ, Niigata, Japan

[35] Univ Nova Gorica, Nova Gorica, Slovenia

[36] Novosibirsk State Univ, Novosibirsk 630090, Russia

[37] Osaka City Univ, Osaka 558, Japan

[38] Panjab Univ, Chandigarh 160014, India

[39] Saga Univ, Saga 840, Japan

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

[41] Seoul Natl Univ, Seoul, South Korea

[42] Sungkyunkwan Univ, Suwon, South Korea

[43] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia

[44] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India

[45] Tech Univ Munich, D-8046 Garching, Germany

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

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

[48] Tokyo Inst Technol, Tokyo 152, Japan

[49] Tokyo Metropolitan Univ, Tokyo 158, Japan

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

来源：

PHYSICS LETTERS B | 2011年 / 706卷 / 2-3期

基金：

日本学术振兴会; 中国国家自然科学基金; 澳大利亚研究理事会; 瑞士国家科学基金会; 新加坡国家研究基金会;

关键词：

B decay; Etac; BELLE; MASS;

D O I：

10.1016/j.physletb.2011.11.014

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the results of a study of B KIrk and /II K tic(2S) decays followed by qc and '/c(2S) decays to (K5K7). The results are obtained from a data sample containing 535 million BB-meson pairs collected by the Belle experiment at the KEKB e+e- collider. We measure the products of the branching fractions B(B > IC7ic)13(71, Ks K 7T) = (26.7 1.4(stat)+N(syst) 4.9(model)) x 10-6 and 8(B -+ K 71c(25))8(rIc(2S) Ksi(7tT) = (3.4+N(stat + model)t(syst)) x 10-6. Interference with the non-resonant component leads to significant model uncertainty in the measurement of these product branching fractions. Our analysis accounts for this interference and allows the model uncertainty to be reduced. We also obtain the following charmonia masses and widths: MO/c) = (2985.4 1.5(stat)1:8(syst)) MeV /c2, r(t1c)= (35.1 3.1(sta0+1:2(syst)) MeV/c2, M(ric (2S)) = (3636.111(stat + model)+3:70 (syst)) MeV/c2, r (17c (2S)) = (6.61:1(stat + model)11(syst)) MeV/c2. C) 2011 Elsevier B.V. All rights reserved.

引用

页码：139 / 149

页数：11

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