Slepton Mass Matrices, mu -> e gamma Decay and EDM in SUSY S4 Flavor Model

Details Slepton Mass Matrices, mu -> e gamma Decay and EDM in SUSY S4 Flavor Model Slepton Mass Matrices, mu -> e gamma Decay and EDM in SUSY S4 Flavor Model

2010-12-10

arxiv.org/abs/1012.2232v2

Prog. Theor. Phys. 125 (2011), 653-675

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages, 10 figures

Scientific paper

10.1143/PTP.125.653

We discuss slepton mass matrices in the $S_4$ flavor model with SUSY SU(5) GUT. By considering the gravity mediation within the framework of supergravity theory, we estimate the SUSY breaking terms in the slepton mass matrices, which contribute to the $\mu \rightarrow e + \gamma$ decay. We obtain a lower bound for the ratio of $\mu\rightarrow e\gamma$ as $10^{-13}$ if $m_{\text{SUSY}}$ and $m_{1/2}$ are below 500GeV. The off diagonal terms of slepton mass matrices also contribute to EDM of leptons. The predicted electron EDM is around $10^{-29}-10^{-28}$cm. Our predictions are expected to be tested in the near future experiment.

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