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题名: B-s--> l(+)l(-) in a type-II two-Higgs-doublet model and the minimal supersymmetric standard model
作者: Huang, CS ;  Wei, L ;  Yan, QS ;  Zhu, SH
刊名: PHYSICAL REVIEW D
出版日期: 2001
卷号: 63, 期号:11, 页码:-
关键词: LARGE TAN-BETA ;  2-HIGGS-DOUBLET MODEL ;  B-DECAYS ;  MESON ;  MASS ;  BOSONS
学科分类: Physics
通讯作者: Huang, CS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Tsinghua Univ, Dept Phys, Beijing 100080, Peoples R China; Univ Karlsruhe, Inst Theoret Phys, D-76128 Karlsruhe, Germany
英文摘要: In this paper we analyze the process B-s-->l(+)l(-) in a type-II two-Higgs-doublet model (2HDM) and the minimal supersymmetric standard model (MSSM). All the leading terms of Wilson coefficients relevant to the process are given in the large tan beta limit. It is shown that the decay width for B-s-->l(+)l(-) depends on all parameters except m(A)o in the 2HDM. The branching ratio of B-s-->mu (+)mu (-) can reach its experimental bound in some large tan beta regions of the parameter space in the MSSM because the amplitude increases as tan(3)beta in the regions. For l = tau, the branching ratio can even reach 10(-4) in the regions. Therefore, the experimental measurements of leptonic decays of B-s could put a constraint on the contributions of neutral Higgs bosons and consequently the parameter space in the MSSM.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000169031600047
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12738
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Huang, CS,Wei, L,Yan, QS,et al. B-s--> l(+)l(-) in a type-II two-Higgs-doublet model and the minimal supersymmetric standard model[J]. PHYSICAL REVIEW D,2001,63(11):-.
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