Journal
PHYSICAL REVIEW D
Volume 98, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.98.071101
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
- Austrian Science Fund [P 26794-N20]
- National Natural Science Foundation of China [11435013, 11475187, 11521505, 11575017, 11675166, 11705209]
- Key Research Programof Frontier Sciences, Chinese Academy of Sciences (CAS) [QYZDJ-SSW-SLH011]
- CAS Center for Excellence in Particle Physics (CCEPP)
- Fudan University [JIH5913023, IDH5913011/003, JIH5913024, IDH5913011/002]
- Ministry of Education, Youth and Sports of the Czech Republic [LTT17020]
- Carl Zeiss Foundation
- Deutsche Forschungsgemeinschaft
- Excellence Cluster Universe
- VolkswagenStiftung
- Department of Science and Technology of India
- Istituto Nazionale di Fisica Nucleare of Italy
- National Research Foundation (NRF) of Korea [2014R1A2A2A01005286, 2015R1A2A2A01003280, 2015H1A2A1033649, 2016R1D1A1B01010135, 2016K1A3A7A09005 603, 2016R1D1A1B02012900]
- Radiation Science Research Institute, Foreign Large-size Research Facility Application Supporting project
- Global Science Experimental Data Hub Center of the Korea Institute of Science and Technology Information
- Polish Ministry of Science and Higher Education
- National Science Center
- Ministry of Education and Science of the Russian Federation
- Russian Foundation for Basic Research
- Slovenian Research Agency
- Ikerbasque, Basque Foundation for Science, Basque Government [IT95616]
- Ministry of Economy and Competitiveness (MINECO) (Juan de la Cierva), Spain
- Swiss National Science Foundation
- Ministry of Education and the Ministry of Science and Technology of Taiwan
- United States Department of Energy and the National Science Foundation
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We have searched for the lepton-flavor-violating decay B-0 -> K-*0 mu(+/-)e(-/+) using a data sample of 711 fb(-1) that contains 772 x 10(6) B (B) over bar pairs. The data were collected near the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+) e(-) collider. No signals were observed, and we set 90% confidence level upper limits on the branching fractions of B(B-0 -> K-*0 mu(+)e(-)) < 1.2 x 10(-7), B(B-0 -> K-*0 mu(-)e(+)) < 1.6 x 10(-7), and, for both decays combined, B(B-0 -> K-*0 mu(+/-)e(-/+)) < 1.8 x 10(-7). These are the most stringent limits on these decays to date.
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