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arXiv 1006.5331hep-ph
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SUSY模型中的类号双μ子电荷不对称性

The like-sign dimuon charge asymmetry in SUSY models

J. K. Parry

摘要:

我们研究了新的物理(NP)的影响,最近报道的3.2西格玛标准模型(SM)的偏差在Tevatron的同号双μ子不对称性。假设新物理只进入B(s)混合振幅,我们探讨了一般新物理,一般超对称(SUSY)模型和SUSY SU(5)的含义。在超对称SU(5)的情况下,我们利用大统一理论尺度之间的关系slepton和夸克软质量预测率轻子味破坏(LFV)。预测率tau -> mu +伽马被发现是可检测的,在未来的超级B工厂。

英文摘要:

We study the new physics (NP) implications of the recently reported 3.2 sigma Standard Model (SM) deviation in the like-sign dimuon asymmetry at the Tevatron. Assuming that new physics only enters the B(s) mixing amplitude we explore the implications for generic new physics, general supersymmetric (SUSY) models and also SUSY SU(5). In the case of SUSY SU(5) we exploit the GUT scale relationship between slepton and squark soft masses to predict rates for lepton flavour violation (LFV). The predicted rates for tau --> mu + gamma are found to be detectable at future Super-B factories.

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