Proton hexality in local grand unification

2010/07/31 by Stefan Forste, Stefan Förste, Hans Peter Nilles +3 · 5 citations
Physics and Astronomy · #Computer science #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Grand Unified Theory #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Proton #Supersymmetry #Unification #hep-ph #hep-th

paper · pdf · doi:10.1016/j.physletb.2010.08.057

published as Phys.Lett.B693:386-392,2010 · 15 pages, 2 figures; v2: matches version published in PLB

openalex publication_date 2010/09/01 · arxiv created 2010/09/03 · arxiv updated 2014/11/21 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

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.

Citations

• Local Grand Unification and String Theory
• Gauged baryon parity and nucleon stability
• (Non-)Abelian discrete anomalies
• Heterotic mini-landscape (II): Completing the search for MSSM vacua in a Z6 orbifold
• Proton decay in supersymmetric models
• Supersymmetric Standard Model from the heterotic string (II)

Cited by

• Z′boson fromSU(6)×SU(2)hgrand unified theory, CDFWjjexcess and Higgs boson mass bound
• F-theory and the Witten index
• String constraints on discrete symmetries in MSSM type II quivers
• Heterotic non-abelian orbifolds
• Abelian discrete symmetries ZN and ZnR from string orbifolds

Related

• Local Grand Unification and String Theory
• Notes on Local Grand Unification
• Baryon Non-Conservation in Unified Theories, in the Light of Supersymmetry and Superstrings
• Local Grand Unification
• Paths to proton stability in grand unification