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Some of semileptonic and nonleptonic decays of B-c meson in a Bethe-Salpeter relativistic quark model
Chang, CH; Fu, HF; Wang, GL; Zhang, JM; Chang, CH (reprint author), China Ctr Adv Sci & Technol, World Lab, Beijing 100190, Peoples R China.
2015
发表期刊SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
卷号58期号:7页码:71001
文章类型Article
摘要The semileptonic decays B-c(+) P(V) + l(+) + (v) over bare and the nonleptonic decays B-c(+) -> P(V) + L, where P(V) denotes a pseudoscalar (vector) charmonium or (bs)-meson, and L denotes a light meson, are studied in the framework of improved instantaneous Bethe-Salpeter (BS) equation and the.Mandelstam formula. The numerical results (width and branching ratio of the decays) are presented in tables, and in order to compare conveniently, those obtained by other approaches are also put in the relevant tables. Based on the fact that the ratio BR(B-c(+) -> psi(2S)pi(+))/BR(B-c(+) -> J/psi pi(+)) = 0.24(-0.040)(+0.023) estimated here is in good agreement with the observation by LHCb BR(B-c(+) -> psi(2S)pi(+))/BR(B-c(+) -> J/psi pi(+)) = 0.250 +/- 0.068(stat) +/- 0.014(syst) +/- 0.006(B), one may conclude that with respect to the decays the present framework works quite well.
关键词B-c Meson Bethe-salpeter Quark Model Decay
学科领域Physics
资助者National Natural Science Foundation of China [11175051, 11275243, 11147001] ; National Natural Science Foundation of China [11175051, 11275243, 11147001] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Program for Innovation Research of Science in Harbin Institute of Technology ; Program for Innovation Research of Science in Harbin Institute of Technology ; National Natural Science Foundation of China [11175051, 11275243, 11147001] ; National Natural Science Foundation of China [11175051, 11275243, 11147001] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Program for Innovation Research of Science in Harbin Institute of Technology ; Program for Innovation Research of Science in Harbin Institute of Technology
DOIhttp://dx.doi.org/10.1007/s11433-015-5671-x
关键词[WOS]WEAK DECAYS ; BOUND-STATES ; EQUATION
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11175051, 11275243, 11147001] ; National Natural Science Foundation of China [11175051, 11275243, 11147001] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Program for Innovation Research of Science in Harbin Institute of Technology ; Program for Innovation Research of Science in Harbin Institute of Technology ; National Natural Science Foundation of China [11175051, 11275243, 11147001] ; National Natural Science Foundation of China [11175051, 11275243, 11147001] ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Program for Innovation Research of Science in Harbin Institute of Technology ; Program for Innovation Research of Science in Harbin Institute of Technology
WOS类目Physics, Multidisciplinary
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20947
专题理论物理所2015年知识产出
通讯作者Chang, CH (reprint author), China Ctr Adv Sci & Technol, World Lab, Beijing 100190, Peoples R China.
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GB/T 7714
Chang, CH,Fu, HF,Wang, GL,et al. Some of semileptonic and nonleptonic decays of B-c meson in a Bethe-Salpeter relativistic quark model[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2015,58(7):71001.
APA Chang, CH,Fu, HF,Wang, GL,Zhang, JM,&Chang, CH .(2015).Some of semileptonic and nonleptonic decays of B-c meson in a Bethe-Salpeter relativistic quark model.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,58(7),71001.
MLA Chang, CH,et al."Some of semileptonic and nonleptonic decays of B-c meson in a Bethe-Salpeter relativistic quark model".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 58.7(2015):71001.
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