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题名: (g-2)mu and CP asymmetries in B-d,s(0)-> l(+)l(-) and b -> s gamma in SUSY models
作者: Huang, CS ;  Liao, W
刊名: PHYSICS LETTERS B
出版日期: 2002
卷号: 538, 期号:40972, 页码:301-308
关键词: SUPERSYMMETRIC STANDARD MODEL ;  ELECTRIC-DIPOLE MOMENT ;  SUPERGRAVITY MODELS ;  N=1 SUPERGRAVITY ;  G-2 EXPERIMENT ;  VIOLATION ;  NEUTRON ;  DECAYS ;  MSSM ;  B->X(S)L(+)L(-)
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; Int Ctr Theoret Phys, I-34014 Trieste, Italy
英文摘要: We show that with a good fit to the muon g - 2 constraint, the CP asymmetry can be as large as 25% (15%) for B-d(0) --> tau + tau(-) d (B-d(0) --> mu(+)mu(-)) in SUGRA models with nortuniversal gaugino masses and MSSM. If tau events indentified at B factories the d CP asymmetry in B-d(0) --> tau(+)tau(-) can be a powerful probe on physics beyond SM. An interesting case is that new physics gives a d prediction on the branching ratio which is still in the uncertain region of the SM prediction. The CP asymmetry for B-d(0) --> 1(+)1(-) in this case can still reach 20%. So it is powerful to shed light on physics beyond SM while the CP asymmetry of b --> sy in this case can only reach 2% at most which is too small to draw a definite conclusion on new physics effects at B factories. (C) 2002 Published by Elsevier Science B.V.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000176857100013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13483
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,Liao, W. (g-2)mu and CP asymmetries in B-d,s(0)-> l(+)l(-) and b -> s gamma in SUSY models[J]. PHYSICS LETTERS B,2002,538(40972):301-308.
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