R-Parity Violation and Family Symmetry

Details R-Parity Violation and Family Symmetry R-Parity Violation and Family Symmetry

2007-06-18

arxiv.org/abs/0706.2531v1

Int.J.Mod.Phys.A22:5909-5919,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

11pages, 2 figures. Talk given at CTP symposium on Supersymmetry at LHC: Theoretical and Experimental Perspectives, The Britis

Scientific paper

10.1142/S0217751X07039110

In this talk, we investigate the implications of R-parity violating (RPV) operators in a model with family symmetry. Family symmetry can determine the form of RPV operators as well as the Yukawa matrices. We consider a concrete model with non-abelian discrete symmetry Q_6, which has only three RPV trilinear operators with no baryon number violating terms. We find that ratios of decay rates of the lepton flavor violating processes are fixed thanks to the family symmetry, predicting BR(tau to 3e)/BR(tau to 3mu) ~ 4 m_{mu}^2/m_{tau}^2.

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