Journal
PHYSICS LETTERS B
Volume 719, Issue 4-5, Pages 346-353Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2013.01.032
Keywords
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Funding
- 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]
- Ministry of Education, Youth and Sports of the Czech Republic [LA10033, MSM0021620859]
- Department of Science and Technology of India
- Istituto Nazionale di Fisica Nucleare of Italy
- BK21 program of the Ministry Education Science and Technology, National Research Foundation of Korea
- WCU program of the Ministry Education Science and Technology, National Research Foundation of Korea
- GSDC of the 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
- Russian Foundation for Basic Research [12-02-01032]
- Slovenian Research Agency
- Swiss National Science Foundation
- National Science Council
- Ministry of Education of Taiwan
- U.S. Department of Energy
- National Science Foundation
- MEXT for Science Research in a Priority Area (New Development of Flavor Physics)
- JSPS for Creative Scientific Research (Evolution of Tau-lepton Physics)
Ask authors/readers for more resources
We search for lepton-flavor and lepton-number-violating tau decays into a lepton (l = electron or muon) and two charged mesons (h, h' = pi(+/-) or K-+/-) using 854 fb(-1) of data collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We obtain 90% confidence level upper limits on the tau -> lhh' branching fractions in the range (2.0-8.4) x 10(-8). These results improve upon our previously published upper limits by factors of about 1.8 on average. (c) 2013 Elsevier B.V. All rights reserved.
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