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题名: Study of semileptonic B* -> Pl(v)over-bar(l) decays
作者: Chang, Q ;  Zhu, J ;  Wang, XL ;  Sun, JF ;  Yang, YL
刊名: NUCLEAR PHYSICS B
出版日期: 2016
卷号: 909, 页码:921-933
学科分类: Physics
DOI: http://dx.doi.org/10.1016/j.nuclphysb.2016.06.016
通讯作者: Chang, Q (reprint author), Henan Normal Univ, Inst Particle & Nucl Phys, Xinxiang 453007, Herts, Peoples R China. ;  Chang, Q (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100864, Peoples R China.
文章类型: Article
英文摘要: In anticipation of abundant B* data samples at high-luminosity heavy-flavor experiments in the future, the tree-dominated semileptonic (B) over bar (u,d,s)* -> Pl(-)(v) over bar (l) (P = D, D-s, pi, K) decays are studied within the Standard Model. After a detailed calculation of the helicity amplitudes, the theoretical predictions for branching fraction (decay rate), lepton spin asymmetry, forward-backward asymmetry and ratio R-D*((L)) are firstly presented. It is found that the CKM-favored (B) over bar* -> Dl(-)(v) over bar (l) decays have relatively large branching fractions of O(10(-9))similar to O(10(-7)), and are in the scope of running LHC and forthcoming SuperKEKB/Belle-II experiments. (C) 2016 The Author(s). Published by Elsevier B.V.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: QCD SUM-RULES ;  RELATIVISTIC QUARK-MODEL ;  HEAVY-LIGHT MESONS ;  FORM-FACTORS
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11547014, 11475055, 11275057] ;  Foundation for the Author of National Excellent Doctoral Dissertation of PR China [201317] ;  Program for Science and Technology Innovation Talents in Universities of Henan Province [14HASTIT036]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21578
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Chang, Q,Zhu, J,Wang, XL,et al. Study of semileptonic B* -> Pl(v)over-bar(l) decays[J]. NUCLEAR PHYSICS B,2016,909:921-933.
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