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

Preprint number: CP3-Origins-2013-17 DNRF90 and DIAS-2013-17
Authors: Luca Di Luzio (KIT, Karlsruhe), Marco Nardecchia (CP3-Origins & DIAS), and Andrea Romanino (SISSA & INFN, Trieste)
External link: arXiv.org

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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.