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题名: B-c -> B-s J form factors and B-c decays into B-s J in covariant light-front approach
作者: Shi, YJ ;  Wang, W ;  Zhao, ZX
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2016
卷号: 76, 期号:10, 页码:555
学科分类: Physics
DOI: http://dx.doi.org/10.1140/epjc/s10052-016-4405-1
通讯作者: Shi, YJ (reprint author), Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, INPAC, Shanghai 200240, Peoples R China.
文章类型: Article
英文摘要: We suggest to study the and its excitations in the decays. We calculate the and form factors within the covariant light-front quark model, where the and denote an s-wave or p-wave and meson, respectively. The form factors at are directly computed while their -distributions are obtained by extrapolation. The derived form factors are then used to study semileptonic decays, and nonleptonic . Branching fractions and polarizations are predicted in the standard model. We find that the branching fractions are sizable and might be accessible at the LHC experiment and future high-energy colliders with a high luminosity at the Z-pole. The future experimental measurements are helpful to study the nonperturbative QCD dynamics in the presence of a heavy spectator and also of great value for the study of spectroscopy.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: PERTURBATIVE QCD APPROACH ;  WEAK DECAYS ;  LEPTONIC DECAYS ;  QUARK-MODEL ;  MESON
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11575110] ;  Natural Science Foundation of Shanghai [15DZ2272100, 15ZR1423100] ;  State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y5KF111CJ1] ;  Scientific Research Foundation for Returned Overseas Chinese Scholars, State Education Ministry
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21507
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Shi, YJ,Wang, W,Zhao, ZX. B-c -> B-s J form factors and B-c decays into B-s J in covariant light-front approach[J]. EUROPEAN PHYSICAL JOURNAL C,2016,76(10):555.
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