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Chang, CH; Fu, HF; Wang, GL; Zhang, JM; Chang, CH (reprint author), China Ctr Adv Sci & Technol, World Lab, Beijing 100190, Peoples R China.
Some of semileptonic and nonleptonic decays of B-c meson in a Bethe-Salpeter relativistic quark model
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
Language英语
KeywordB-c Meson Bethe-salpeter Quark Model Decay
AbstractThe 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.
2015
Volume58Issue:7Pages:71001
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1007/s11433-015-5671-x
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [11175051, 11275243, 11147001] ; National Natural Science Foundation of China [11175051, 11275243, 11147001] ; 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 ; 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 ; Program for Innovation Research of Science in Harbin Institute of Technology ; Program for Innovation Research of Science in Harbin Institute of Technology
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20947
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorChang, CH (reprint author), China Ctr Adv Sci & Technol, World Lab, Beijing 100190, Peoples R China.
Recommended Citation
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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