Gauge Mediated Proton Decay in a Renormalizable SUSY SO(10) with Realistic Mass Matrices

Details Gauge Mediated Proton Decay in a Renormalizable SUSY SO(10) with Realistic Mass Matrices Gauge Mediated Proton Decay in a Renormalizable SUSY SO(10) with Realistic Mass Matrices

2001-07-05

arxiv.org/abs/hep-ph/0107055v3

Phys.Lett. B523 (2001) 304-310

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, witout figures; Final version, to be published in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(01)01357-0

Proton decay via d=5 operators is excluded by now not only in the framework of SUSY SU(5) but also its extensions like SUSY SO(10) are on the verge of being inconsistent with d=5 decays. It is reasonable therefore to suppress, e.g. by a symmetry, the d=5 operators and to consider gauge boson induced d=6 decays. This is suggested in several recent papers in the framework of models with a lighter $ M_X$. We discuss here explicitly the fermionic sector of such a renormalizable SUSY SO(10) with realistic mass matrices. We find that the recently ``observed'' large leptonic mixing leads to an enhancement of the nucleon decay channels involving $\mu$'s and in particular the $\mu^+\pi^o$, $\mu^+\pi^-$ modes.

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