期刊
PHYSICAL REVIEW D
卷 104, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.104.012007
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 [DP180102629, DP170102389, DP170102204, DP150103061, FT130100303]
- Austrian Federal Ministry of Education, Science and Research (FWF)
- FWF Austrian Science Fund [P 31361-N36]
- National Natural Science Foundation of China [11435013, 11475187, 11521505, 11575017, 11675166, 11705209]
- Key Research Program of Frontier Sciences, Chinese Academy of Sciences (CAS) [QYZDJ-SSW-SLH011]
- CAS Center for Excellence in Particle Physics (CCEPP)
- Shanghai Pujiang Program [18PJ1401000]
- Shanghai Science and Technology Committee (STCSM) [19ZR1403000]
- Ministry of Education, Youth and Sports of the Czech Republic [LTT17020]
- Horizon 2020 ERC [884719, 947006]
- Carl Zeiss Foundation
- Deutsche Forschungsgemeinschaft
- Excellence Cluster Universe
- VolkswagenStiftung
- Department of Atomic Energy [RTI 4002]
- Department of Science and Technology of India
- Istituto Nazionale di Fisica Nucleare of Italy
- National Research Foundation (NRF) of Korea [2016R1-D1A1B-01010135, 2016R1-D1A1B-02012900, 2018R1-A2B-3003643, 2018R1-A6A1A-06024970, 2018R1-D1A1B-07047294, 2019K1-A3A7A-09033840, 2019R1-I1A3A-01058933]
- 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 and KREONET/GLORIAD
- Polish Ministry of Science and Higher Education
- National Science Center
- Ministry of Science and Higher Education of the Russian Federation [14.W03.31.0026]
- HSE University Basic Research Program, Moscow
- Slovenian Research Agency [J1-9124, P1-0135]
- Ikerbasque, Basque Foundation for Science, Spain
- Swiss National Science Foundation
- Ministry of Education
- Ministry of Science and Technology of Taiwan
- United States Department of Energy
- National Science Foundation
- University of Tabuk (Saudi Arabia) [S-1440-0321, S-0256-1438, S-0280-1439]
This study represents the first search for the penguin-dominated process B-s(0) -> eta'X(s ()s() over bar) using a semi-inclusive method. No statistically significant signal was observed, leading to an upper limit on the partial branching fraction.
We report the first search for the penguin-dominated process B-s(0) -> eta'X(s ()s() over bar) using a semi-inclusive method. A 121.4 fb-1 integrated luminosity gamma(5S) data set collected by the Belle experiment, at the KEKB asymmetric-energy e(+)e(-) collider, is used. We observe no statistically significant signal and, including all uncertainties, we set a 90% confidence level upper limit on the partial branching fraction at 1.4 x 10(-3) for M(X-s (s) over bar) <= 2.4 GeV/c(2).
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