期刊
PHYSICS LETTERS B
卷 687, 期 2-3, 页码 139-143出版社
ELSEVIER
DOI: 10.1016/j.physletb.2010.03.037
关键词
Tau; Lepton flavor violation; B factory
资金
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan
- Japan Society for the Promotion of Science (JSPS)
- Tau-Lepton Physics Research Center of Nagoya University
- Australian Research Council
- Australian Department of Industry, Innovation, Science and Research
- National Natural Science Foundation of China [10575109, 10775142, 10875115, 10825524]
- Department of Science and Technology of India
- Ministry of Education, Science and Technology
- Korea Science and Engineering Foundation, Korea Research Foundation [R01-2008-000-10477-0, KRF-2008-313-000177]
- Korea Institute of Science and Technology Information
- Polish Ministry of Science and Higher Education
- Ministry of Education and Science of the Russian Federation
- Russian Federal Agency for Atomic Energy
- Slovenian Research Agency
- Swiss National Science Foundation
- National Science Council
- Ministry of Education of Taiwan
- U.S. Department of Energy
- National Research Foundation of Korea [R01-2008-000-10477-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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.
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