期刊
PHYSICAL REVIEW D
卷 91, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.91.051101
关键词
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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
- Austrian Science Fund [P 22742-N16, P 26794-N20]
- National Natural Science Foundation of China [10575109, 10775142, 10875115, 11175187, 11475187]
- Ministry of Education, Youth and Sports of the Czech Republic [LG14034]
- Carl Zeiss Foundation
- Deutsche Forschungsgemeinschaft
- VolkswagenStiftung
- Department of Science and Technology of India
- Istituto Nazionale di Fisica Nucleare of Italy
- National Research Foundation (NRF) of Korea [2011-0029457, 2012-0008143, 2012R1A1A2008330, 2013R1A1A3007772, 2014R1A2A2A01005286, 2014R1A2A2A0100 2734, 2014R1A1A2006456]
- Basic Research Lab program under NRF Grant [KRF-2011-0020333, KRF-2011-0021196]
- Center for Korean J-PARC Users [NRF-2013K1A3A7A06056592]
- Brain Korea 21-Plus program
- 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
- Basque Foundation for Science (IKERBASQUE)
- Euskal Herriko Unibertsitatea (UPV/EHU) (Spain) [UFI 11/55]
- Swiss National Science Foundation
- National Science Council
- Ministry of Education of Taiwan
- U.S. Department of Energy
- National Science Foundation
- MEXT
- JSPS
- 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
- Austrian Science Fund [P 22742-N16, P 26794-N20]
- National Natural Science Foundation of China [10575109, 10775142, 10875115, 11175187, 11475187]
- Ministry of Education, Youth and Sports of the Czech Republic [LG14034]
- Carl Zeiss Foundation
- Deutsche Forschungsgemeinschaft
- VolkswagenStiftung
- Department of Science and Technology of India
- Istituto Nazionale di Fisica Nucleare of Italy
- National Research Foundation (NRF) of Korea [2011-0029457, 2012-0008143, 2012R1A1A2008330, 2013R1A1A3007772, 2014R1A2A2A01005286, 2014R1A2A2A0100 2734, 2014R1A1A2006456]
- Basic Research Lab program under NRF Grant [KRF-2011-0020333, KRF-2011-0021196]
- Center for Korean J-PARC Users [NRF-2013K1A3A7A06056592]
- Brain Korea 21-Plus program
- 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
- Basque Foundation for Science (IKERBASQUE)
- Euskal Herriko Unibertsitatea (UPV/EHU) (Spain) [UFI 11/55]
- Swiss National Science Foundation
- National Science Council
- Ministry of Education of Taiwan
- U.S. Department of Energy
- National Science Foundation
- MEXT
- JSPS
- Grants-in-Aid for Scientific Research [21105001] Funding Source: KAKEN
- Ministry of Science, ICT & Future Planning, Republic of Korea [K-15-L01-C02] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2013K1A3A7A06056592, 2014R1A2A2A01005286, 2015H1A2A1033649] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We report the first observation of B-0 -> X(3872)(K+pi(-)) and evidence for B+ -> X(3872)(K-0 pi(+)). We measure the product of branching fractions for the former to be B(B-0 -> X(3872)(K+pi(-)) x B(X(3872) -> J/psi pi(+)pi(-)) = (7.9 +/- 1.3(stat) +/- 0.4(syst) x 10(-6) and find that B-0 -> X(3872)K*(892)(0) does not dominate the B-0 -> X(3872)K+pi(-) decay mode. We also measure B(B+ -> X(3872)(K-0 pi(+))) x B(X(3872) -> J/psi pi(+)pi(-)) = (10.6 +/- 3.0(stat) +/- 0.9(syst) x 10(-6). This study is based on the full data sample of 711 fb(-1) (772 x 10(6)B (B) over bar pairs) collected at the Upsilon(4S) resonance with the Belle detector at the KEKB collider.
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