Proton Hexality in Local Grand Unification

Abstract

Proton hexality is a discrete symmetry that avoids the problem of too fast proton decay in the supersymmetric extension of the standard model. Unfortunately it is inconsistent with conventional grand unification. We show that proton hexality can be incorporated in the scheme of "Local Grand Unification" discussed in the framework of model building in (heterotic) string theory.

15 pages, 2 figures; v2: matches version published in PLB

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Cited by in corpus (22)

• Discrete R symmetries for the MSSM and its singlet extensions
• A unique Z_4^R symmetry for the MSSM
• The Orbifolder: A Tool to study the Low Energy Effective Theory of Heterotic Orbifolds
• String Constraints on Discrete Symmetries in MSSM Type II Quivers
• Abelian discrete symmetries Z_{N} and Z_{nR} from string orbifolds
• Origin of family symmetries
• Proton Decay: Flipped vs Unflipped SU(5)
• The Potential Fate of Local Model Building
• Heterotic non-Abelian orbifolds
• Light Z' in Heterotic String Standard-like Models
• A perfect match of MSSM-like orbifold and resolution models via anomalies
• Proton Stability, Gauge Coupling Unification and a Light $Z^{\prime }$ in Heterotic-string Models
• F-theory and the Witten Index
• Supersymmetric three family chiral SU(6) grand unification model from F-theory
• F-theory inspired GUTs with extra charged matter
• Z' from SU(6)$\times$SU(2)_h GUT, Wjj anomaly and Higgs boson mass bound
• F-theory Yukawa Couplings and Supersymmetric Quantum Mechanics
• Cancellation Mechanism of FCNCs in S_4 x Z_2 Flavor Symmetric Extra U(1) Model
• Discrete symmetries from hidden sectors
• Heterotic Mini-landscape in blow-up
• Moduli fixing in semirealistic string compactifications
• Scalar-induced Neutrinoless Double Beta Decay in $SU(5)$