Search for lepton flavor violating τ- decays into l-KS0 l-KS0KS0

被引：12

作者：

Miyazaki, Y. ^{[1
]}

Adachi, I. ^{[9
]}

Aihara, H. ^{[46
]}

Arinstein, K. ^{[2
,33
]}

Aulchenko, V. ^{[2
,33
]}

Bakich, A. M. ^{[41
]}

Balagura, V. ^{[13
]}

Barberio, E. ^{[24
]}

Bay, A. ^{[20
]}

Belous, K. ^{[11
]}

Bischofberger, M. ^{[25
]}

Bozek, A. ^{[29
]}

Bracko, M. ^{[14
,22
]}

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

Chang, M. -C. ^{[5
]}

Chang, P. ^{[28
]}

Chen, A. ^{[26
]}

Chen, K. -F. ^{[28
]}

Chen, P. ^{[28
]}

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

Cho, I. -S. ^{[50
]}

Choi, Y. ^{[40
]}

Danilov, M. ^{[13
]}

Dash, M. ^{[49
]}

Dolezal, Z. ^{[3
]}

Drutskoy, A. ^{[4
]}

Dungel, W. ^{[12
]}

Eidelman, S. ^{[2
,33
]}

Gabyshev, N. ^{[2
,33
]}

Goldenzweig, P. ^{[4
]}

Golob, B. ^{[14
,21
]}

Ha, H. ^{[18
]}

Haba, J. ^{[9
]}

Hara, K. ^{[1
]}

Hayasaka, K. ^{[1
]}

Hayashii, H. ^{[25
]}

Horii, Y. ^{[45
]}

Hoshi, Y. ^{[44
]}

Hou, W. -S. ^{[28
]}

Hsiung, Y. B. ^{[28
]}

Hyun, H. J. ^{[19
]}

Iijima, T. ^{[1
]}

Inami, K. ^{[1
]}

Iwabuchi, M. ^{[50
]}

Iwasaki, M. ^{[46
]}

Iwasaki, Y. ^{[9
]}

Julius, T. ^{[24
]}

Kah, D. H. ^{[19
]}

Kang, J. H. ^{[50
]}

Kapusta, P. ^{[29
]}

机构：

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

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

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

[4] Univ Cincinnati, Cincinnati, OH USA

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

[6] Grad Univ Adv Studies, Hayama, Japan

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

[11] Inst High Energy Phys, Protvino, Russia

[12] Inst High Energy Phys, Vienna, Austria

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

[14] Jozef Stefan Inst, Ljubljana, Slovenia

[15] Kanagawa Univ, Yokohama, Kanagawa, Japan

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

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

[18] Korea Univ, Seoul, South Korea

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

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

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

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

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

[24] Univ Melbourne, Victoria, Australia

[25] Nara Womens Univ, Nara 630, Japan

[26] Natl Cent Univ, Chungli 32054, Taiwan

[27] Natl United Univ, Miaoli, Taiwan

[28] Natl Taiwan Univ, Dept Phys, Taipei, Taiwan

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

[30] Nippon Dent Univ, Niigata, Japan

[31] Niigata Univ, Niigata, Japan

[32] Univ Nova Gor, Nova Gorica, Slovenia

[33] Novosibirsk State Univ, Novosibirsk 630090, Russia

[34] Osaka City Univ, Osaka 558, Japan

[35] Panjab Univ, Chandigarh 160014, India

[36] Peking Univ, Beijing, PR, Peoples R China

[37] Saga Univ, Saga 840, Japan

[38] Univ Sci & Technol China, Hefei, 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] Toho Univ, Funabashi, Chiba 274, Japan

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

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

[46] Univ Tokyo, Dept Phys, Tokyo 113, Japan

[47] Tokyo Metropolitan Univ, Tokyo 158, Japan

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

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

[50] Yonsei Univ, Seoul 120749, South Korea

来源：

PHYSICS LETTERS B | 2010年 / 692卷 / 01期

基金：

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

关键词：

Tau; Lepton flavor violation; B-factory; BELLE; JETS;

D O I：

10.1016/j.physletb.2010.07.012

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have searched for the lepton-flavor-violating decays tau(-) -> l(-)K(S)(0)) and l(-)K(S)(0)K(S)(0) (l = e or mu), using a data sample of 671 fb(-1) collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. No evidence for a signal was found in any of the decay modes, and we set the following upper limits for the branching fractions: beta(tau(-) -> e(-)K(S)(0)) < 2.6 x 10(-8), beta(tau(-) -> mu K--(S)0) < 2.3 x 10(-8), beta(tau(-) -> e(-)K(S)(0)K(S)(0)) < 7.1 x 10(-8) and beta(tau(-) -> mu(-KSKS0)-K-0) < 8.0 x 10(-8) at the 90% confidence level. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：4 / 9

页数：6

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