Tri-Bimaximal lepton mixing with A4 semidirect product Z2 x Z2 x Z2

Abstract

We consider a model based on A4 semidirect product (Ze x Zmu x Ztau) flavor symmetry for Tri-Bimaximal lepton mixing with two scalar A4-triplets whose vacuum expectation values have the same alignment. Neutrino masses are generated through effective dimension five Weinberg operators. Charged leptons mass hierarchies are generated with an additional Froggatt-Nielsen U(1) flavor symmetry under which right-handed leptons are charged.

7 pages, added one reference and few comments, version accepted for PRD

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• Lepton Flavor Violation in Models with $A_4$ and $S_4$ Flavor Symmetries
• Running Effects on Lepton Mixing Angles in Flavour Models with Type I Seesaw
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• Theoretical Models of Neutrino Mixing: Recent Developments
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• Implications of the Muon g-2 result on the flavour structure of the lepton mass matrix
• Type II seesaw supersymmetric neutrino model for ${\theta }_{13}\ne 0$
• Nonzero ${\theta }_{13}$ in $SO(3)\to A_4$ lepton models
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• Non-SUSY Lepton Flavor Model with 3HDM