R-Parity Violation and Peccei-Quinn Symmetry in GUTS

Abstract

We address the question whether it is possible in GUTs to obtain R-parity violation with a large $\Delta L/\Delta B$ hierarchy of strengths so that the proton is stable while phenomenologically interesting $L$-violation is present. We consider versions of SU(5) with a built-in Peccei-Quinn symmetry spontaneously broken at an intermediate scale. The P-Q symmetry and the field content guarantee a large suppression of the effective $B$-violating terms by a factor ${\Lambda }_{PQ}^3/M_P{M}_X^2$ while the effective $L$-violating terms stay large.

8 pages, no figures

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• An Introduction to Explicit R-Parity Violation
• Much Ado About Leptoquarks: A Comprehensive Analysis
• SUSYGEN 2.2 - A Monte Carlo Event Generator for MSSM Sparticle Production at e+ e- Colliders
• Gauge mediated supersymmetry breaking and neutrino anomalies
• Fermion Mass Textures in an M-Inspired Flipped SU(5) Model Derived from String
• Signatures of Resonant Super-Partner Production with Charged-Current Decays
• $B_{s,d}^0\to \mu \bar{\mu }$ and $B\to X_s\gamma$ in the R-parity violating MSSM
• A framework for baryonic R-parity violation in grand unified theories
• R-Parity Conservation from a Top Down Perspective
• Constraints on Leptoquark Masses and Couplings from Rare Processes and Unification
• A Note On R-Parity Violation and Fermion Masses