Revisiting Flavor and CP Violation in Supersymmetric SU(5) with Right-Handed Neutrinos

Abstract

We revisit the minimal supersymmetric SU(5) grand unified theory with three right-handed neutrinos in which universality conditions for soft-supersymmetry breaking parameters are imposed at an input scale above the unification scale. If the Majorana masses for the neutrinos are around $10^{15}$ GeV, large mixing angles and phases in the neutrino sector lead to flavor-violation and CP-violation in the right-handed down squark and left-handed slepton sectors. Since the observed Higgs boson mass and the proton decay constraints indicate sfermions have masses larger than a few TeV, flavor and CP constraints are less restrictive. We explore the constraints on models with a universal soft-supersymmetry breaking input parameters coming from proton stability, electric dipole moments, $\mu \to e\gamma$ decays, and the Higgs mass observed at the LHC. Regions compatible with all constraints can be found if non-zero A-terms are taken.

28 pages, 4 figures, version accepted PRD

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Cited by in corpus (6)

• Proton Decay: Flipped vs Unflipped SU(5)
• Introduction to Charged Lepton Flavour Violation
• A Minimal SU(5) SuperGUT in Pure Gravity Mediation
• Probing Lepton Flavor Violating decays in MSSM with Non-Holomorphic Soft Terms
• Lepton flavor violations in SUSY models for muon $g-2$ with right-handed neutrinos
• Leptonic CP and Flavor Violations in SUSY GUT with Right-handed Neutrinos