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题名: Supersymmetric CP violation in B -> X(s)l(+)l(-) in the minimal supergravity model
作者: Huang, CS ;  Wei, L
刊名: PHYSICAL REVIEW D
出版日期: 2000
卷号: 61, 期号:11, 页码:-
关键词: ELECTRIC-DIPOLE MOMENT ;  LARGE TAN BETA ;  EXPERIMENTAL LIMIT ;  CONSTRAINED MSSM ;  STANDARD MODEL ;  B->S-GAMMA ;  NEUTRON ;  PHASES ;  DECAYS ;  UNIFICATION
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
英文摘要: Direct CP asymmetries and the T-odd normal polarization of leptons in the inclusive decay B-->X(s)l(+)l(-) are investigated in the minimal supergravity model with CP violating phases. The contributions coming from exchanging neutral Higgs bosons are included. It is shown that direct CP violation in the branching ratio, A(CP)(1) , is of O(10(-3)) for l = e,mu,tau. The T-odd violating normal polarization for l = mu can reach 0.5 percent when tan beta is large (say, 36). For l = tau and, in the case of a large tan beta, direct CP violation in backward-forward asymmetry A(CP)(2) can reach 1%, the normal polarization of tau can be as large as a few percent, and both are sensitive to the two CP violating phases phi(mu) and phi(A0). Consequently it could be possible to observe them (in particular, the normal polarization of tau) in future B factories.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000087284800071
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12967
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. Supersymmetric CP violation in B -> X(s)l(+)l(-) in the minimal supergravity model[J]. PHYSICAL REVIEW D,2000,61(11):-.
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