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Search for the B -> Y(4260)K, Y(4260) -> J/psi pi(+)pi(-) decays

文献类型：期刊论文

作者Inami, K.49; Inguglia, G.91; Ishikawa, A.2; Itoh, R.8,12; Iwasaki, M.59; Iwasaki, Y.12; Jacobs, W. W.84; Jeon, H. B.1; Jia, S.86; Jin, Y.77
刊名PHYSICAL REVIEW D
出版日期2019-04-12
卷号99期号:7页码:8
ISSN号2470-0010
DOI10.1103/PhysRevD.99.071102
通讯作者Garg, R.()
英文摘要We report the results of a search for the B -> Y(4260)K, Y(4260) -> J/psi pi(+)pi thorn p-decays. This study is based on a data sample corresponding to an integrated luminosity of 711 fb(-1), collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We investigate the J/psi pi(+)pi(-) thorn p-invariant mass distribution in the range 4.0 to 4.6 GeV/c(2) using both B+ -> J/psi pi(+)pi K--(+) and B-0 -> J/psi pi(+)pi K--(S)0 decays. We find excesses of events above the background levels, with significances of 2.1 and 0.9 standard deviations for charged and neutral B -> Y(4260)K decays, respectively, taking into account the systematic uncertainties. These correspond to upper limits on the product of branching fractions, B(B+ -> Y(4260)K+) x B(Y(4260) -> J/psi pi(+)pi(-)) < 1.4 x 10(-5) and B(B-0 -> Y(4260)K-0) x B(Y(4260) -> J/psi pi(+)pi(-)) < 1.7 x 10(-5) at the 90% confidence level.
WOS关键词MONTE-CARLO ; PHOTOS ; STATE ; TOOL
资助项目National Institute of Informatics, and Science Information NETwork 5 (SINET5) ; 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] ; Australian Research Council[DP170102389] ; Australian Research Council[DP170102204] ; Australian Research Council[DP150103061] ; Australian Research Council[FT130100303] ; Austrian Science Fund[P 26794-N20] ; National Natural Science Foundation of China[11435013] ; National Natural Science Foundation of China[11475187] ; National Natural Science Foundation of China[11521505] ; National Natural Science Foundation of China[11575017] ; National Natural Science Foundation of China[11675166] ; National Natural Science Foundation of China[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] ; Ministry of Education, Youth and Sports of the Czech Republic[LTT17020] ; Carl Zeiss Foundation ; Deutsche Forschungsgemeinschaft, the Excellence Cluster Universe ; VolkswagenStiftung ; Department of Science and Technology of India ; Istituto Nazionale di Fisica Nucleare of Italy ; National Research Foundation (NRF) of Korea[2015H1A2A1033649] ; National Research Foundation (NRF) of Korea[2016R1D1A1B01010135] ; National Research Foundation (NRF) of Korea[2016K1A3A7A09005 603] ; National Research Foundation (NRF) of Korea[2016R1D1A1B0201 2900] ; National Research Foundation (NRF) of Korea[2018R1A2B3003 643] ; National Research Foundation (NRF) of Korea[2018R1A6A1A 06024970] ; National Research Foundation (NRF) of Korea[2018R1D1A1B07047294] ; Polish Ministry of Science and Higher Education ; National Science Center ; Russian Federation Government[14] ; Russian Federation Government[W03.31.0026] ; Slovenian Research Agency ; 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
WOS研究方向Astronomy & Astrophysics ; Physics
语种英语
出版者AMER PHYSICAL SOC
WOS记录号WOS:000464742700001
资助机构National Institute of Informatics, and Science Information NETwork 5 (SINET5) ; 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 ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences (CAS) ; CAS Center for Excellence in Particle Physics (CCEPP) ; Shanghai Pujiang Program ; Ministry of Education, Youth and Sports of the Czech Republic ; Carl Zeiss Foundation ; Deutsche Forschungsgemeinschaft, the Excellence Cluster Universe ; VolkswagenStiftung ; Department of Science and Technology of India ; Istituto Nazionale di Fisica Nucleare of Italy ; National Research Foundation (NRF) of Korea ; Polish Ministry of Science and Higher Education ; National Science Center ; Russian Federation Government ; Slovenian Research Agency ; 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
源URL[http://119.78.100.186/handle/113462/133752]  
专题中国科学院近代物理研究所
通讯作者Garg, R.
作者单位1.Kyungpook Natl Univ, Taegu 702701, South Korea
2.Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
3.Fudan Univ, Key Lab Nucl Phys & Ion Beam Applicat, MOE, Shanghai 200443, Peoples R China
4.Fudan Univ, Inst Modern Phys, Shanghai 200443, Peoples R China
5.Justus Liebig Univ Giessen, Giessen, Germany
6.Gifu Univ, Gifu 5011193, Japan
7.Georg August Univ Gottingen, Phys Inst 2, D-37073 Gottingen, Germany
8.SOKENDAI Grad Univ Adv Studies, Hayama 2400193, Japan
9.Gyeongsang Natl Univ, Chinju 660701, South Korea
10.Hanyang Univ, Seoul 133791, South Korea
推荐引用方式
GB/T 7714		 Inami, K.,Inguglia, G.,Ishikawa, A.,et al. Search for the B -> Y(4260)K, Y(4260) -> J/psi pi(+)pi(-) decays[J]. PHYSICAL REVIEW D,2019,99(7):8.
APA Inami, K..,Inguglia, G..,Ishikawa, A..,Itoh, R..,Iwasaki, M..,...&Hsu, C-L..(2019).Search for the B -> Y(4260)K, Y(4260) -> J/psi pi(+)pi(-) decays.PHYSICAL REVIEW D,99(7),8.
MLA Inami, K.,et al."Search for the B -> Y(4260)K, Y(4260) -> J/psi pi(+)pi(-) decays".PHYSICAL REVIEW D 99.7(2019):8.

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来源：近代物理研究所

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