A framework for baryonic R-parity violation in grand unified theories

Luca Di Luzio, Marco Nardecchia, Andrea Romanino

Published 2013-05-30, updated 2013-12-02Version 2

We investigate the possibility of obtaining sizeable R-parity breaking interactions violating baryon number but not lepton number within supersymmetric grand unified theories. Such a possibility allows to ameliorate the naturalness status of supersymmetry while maintaining successful gauge coupling unification, one of its main phenomenological motivations. We show that this can be achieved without fine-tuning or the need of large representations in simple SO(10) models.