Search for lepton-flavor-violating τ decays into three leptons with 719 million produced τ+τ- pairs

被引：355

作者：

Hayasaka, K. ^{[1
]}

Inami, K. ^{[1
]}

Miyazaki, Y. ^{[1
]}

Arinstein, K. ^{[2
,32
]}

Aulchenko, V. ^{[2
,32
]}

Aushev, T. ^{[14
,20
]}

Bakich, A. M. ^{[38
]}

Bay, A. ^{[20
]}

Belous, K. ^{[12
]}

Bhardwaj, V. ^{[34
]}

Bischofberger, M. ^{[25
]}

Bozek, A. ^{[29
]}

Bracko, M. ^{[15
,22
]}

Browder, T. E. ^{[9
]}

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

Chang, P. ^{[28
]}

Chen, A. ^{[26
]}

Chen, P. ^{[28
]}

Cheon, B. G. ^{[8
]}

Chiang, C. -C. ^{[28
]}

Cho, I. -S. ^{[46
]}

Choi, Y. ^{[37
]}

Dalseno, J. ^{[23
,39
]}

Drutskoy, A. ^{[4
]}

Eidelman, S. ^{[2
,32
]}

Epifanov, D. ^{[2
,32
]}

Feindt, M. ^{[17
]}

Gabyshev, N. ^{[2
,32
]}

Goldenzweig, P. ^{[4
]}

Golob, B. ^{[15
,21
]}

Ha, H. ^{[18
]}

Haba, J. ^{[10
]}

Han, B. -Y. ^{[18
]}

Hayashii, H. ^{[25
]}

Hoshi, Y. ^{[41
]}

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

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

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

Iijima, T. ^{[1
]}

Itoh, R. ^{[10
]}

Iwabuchi, M. ^{[46
]}

Iwasaki, M. ^{[42
]}

Iwasaki, Y. ^{[10
]}

Kang, J. H. ^{[46
]}

Kawasaki, T. ^{[31
]}

Kiesling, C. ^{[23
]}

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

Kim, H. O. ^{[19
]}

Kim, J. H. ^{[37
]}

Kim, S. K. ^{[36
]}

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] Univ Giessen, Giessen, Germany

[7] Grad Univ Adv Studies, Hayama, 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] 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] Karlsruhe Inst Technol, Inst Expt Kernphys, Karlsruhe, Germany

[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, Melbourne, Vic 3010, 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] Novosibirsk State Univ, Novosibirsk 630090, Russia

[33] Osaka City Univ, Osaka 558, Japan

[34] Panjab Univ, Chandigarh 160014, India

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

[36] Seoul Natl Univ, Seoul, South Korea

[37] Sungkyunkwan Univ, Suwon, South Korea

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

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

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

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

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

[43] Tokyo Metropolitan Univ, Tokyo 158, Japan

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

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

[46] Yonsei Univ, Seoul 120749, South Korea

来源：

PHYSICS LETTERS B | 2010年 / 687卷 / 2-3期

基金：

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

关键词：

Tau; Lepton flavor violation; B factory; IDENTIFICATION; SIMULATION;

D O I：

10.1016/j.physletb.2010.03.037

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a search for lepton-flavor-violating tau decays into three leptons (electrons or muons) using 782 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. No evidence for these decays is observed and we set 90% confidence level upper limits on the branching fractions between 1.5 x 10(-8) and 2.7 x 10(-8). (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：139 / 143

页数：5

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