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B-meson dileptonic decays enhanced by supersymmetry with large tan beta
Xiong ZH(熊兆华); Xiong, ZH; Yang, JM
2002
发表期刊NUCLEAR PHYSICS B
卷号628期号:1-2页码:#REF!
通讯作者Xiong, ZH (reprint author), CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
摘要We examined the rare decays B --> X(x)e(+)e(-) and B-x --> e(+)e(-)gamma in the minimal supersymmetric model with large tan beta. Taking into account the effects of the gluino-loop and neutralino-loop with neutral Higgs exchange, we found that for a large tan beta the neutral Higgs exchanging diagrams could enhance Br(B --> X(s)tau(+)tau(-)) by a factor of 5 and Br(B-s --> tau(+)tau(-)gamma) by a couple of orders in some part of supersymmetric parameter space allowed by current experiments such as b --> sgamma, B --> K((*))e(+)e(-) and B-s --> e(+)e(-). The forward-backward asymmetry and the distributions of differential branching ratios are also found to differ significantly from the standard model results. Such enhanced branching ratios reach the level of 10(-5) and thus might be observable in the new generation of B experiments. (C) 2002 Elsevier Science B.V. All rights reserved.
文章类型Article
学科领域Physics
DOI10.1016/S0550-3213(02)00091-3
收录类别SCI
WOS类目Physics, Particles & Fields
WOS记录号WOS:000175111900006
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被引频次:37[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226842
专题理论物理室
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GB/T 7714
Xiong ZH,Xiong, ZH,Yang, JM. B-meson dileptonic decays enhanced by supersymmetry with large tan beta[J]. NUCLEAR PHYSICS B,2002,628(1-2):#REF!.
APA 熊兆华,Xiong, ZH,&Yang, JM.(2002).B-meson dileptonic decays enhanced by supersymmetry with large tan beta.NUCLEAR PHYSICS B,628(1-2),#REF!.
MLA 熊兆华,et al."B-meson dileptonic decays enhanced by supersymmetry with large tan beta".NUCLEAR PHYSICS B 628.1-2(2002):#REF!.
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