A SUSY A4 model for fermion masses and mixings

Abstract

We study a supersymmetric extension of the Standard Model based on discrete A4xZ3xZ4 flavor symmetry. We obtain quark mixing angles as well as a realistic fermion mass spectrum and we predict tribimaximal leptonic mixing by a spontaneous breaking of A4. The top quark Yukawa interaction is present at the renormalizable level in the superpotential while all the other Yukawa interactions arise only at higher orders. We study the Higgs potential and show that it can potentially solve the so called vacuum alignment problem. The leading order predictions are not spoiled by subleading corrections.

version accepted in JHEP, Z3xZ2 changed in Z3xZ4, typos in table corrected, references added

References in corpus (5)

• A model for fermion masses and lepton mixing in SO(10) x A4
• The Flavor Group Delta(3n^2)
• Predictive flavour symmetries of the neutrino mass matrix
• Supersymmetric A_4 X Z_3 and A_4 Realizations of Neutrino Tribimaximal Mixing Without and With Corrections
• Constraining {\it CP} violation in a softly broken $A_4$ symmetric Model

Cited by in corpus (14)

• The Unique Horizontal Symmetry of Leptons
• A Simplest A4 Model for Tri-Bimaximal Neutrino Mixing
• Lepton Flavour Violation in Models with A4 Flavour Symmetry
• Fermion masses and mixing in models with SO(10) x A_4 symmetry
• Lepton Mixing and Cancellation of the Dirac Mass Hierarchy in SO(10) GUTs with Flavor Symmetries T7 and Sigma(81)
• Nonzero U_{e3}, CP violation and leptogenesis in a see-saw type softly broken A_4 symmetric model
• Fermion Mass Hierarchies and Flavor Mixing from $T^{\prime }$ Symmetry
• Neutrino masses and tribimaximal mixing in the minimal renormalizable supersymmetric SU(5) grand unified model with A4 flavor symmetry
• Flavor Symmetry Breaking and Vacuum Alignment on Orbifolds
• Non-Abelian Discrete Flavor Symmetries from T^2/Z_N Orbifolds
• Deviation from tri-bimaximal mixing and flavor symmetry breaking in a seesaw type A4 model
• Lepton Masses in a Minimal Model with Triplet Higgs Bosons and $S_3$ Flavor Symmetry
• Soft supersymmetry breaking terms from A4 lepton flavor symmetry
• Model-Independent Analysis of Tri-bimaximal Mixing -- a Softly-Broken Hidden or an Accidental Symmetry?