Flavour Models with Three Higgs Generations

Abstract

We construct models with a spontaneously broken $SU(3{)}_F$ flavour symmetry where three generations of Higgs multiplets transform in a flavour-triplet representation. The models are embedded in a supersymmetric Pati-Salam GUT framework, which includes left-right symmetry. We study the possible flavon representations and show that a model with flavons in the decuplet representation is able to reproduce the hierarchy structure of the quark and lepton mass and mixing matrices. This result requires no additional structure or fine-tunings except for an extra $Z_4$ discrete symmetry in the superpotential.

12 pages, v2 published in EPJ-C

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Cited by in corpus (2)

• Symmetry breaking patterns in 3HDM
• Constraints on Parameter Space from Perturbative Unitarity in Models with Three Scalar Doublets