Fermion masses and mixing in models with SO(10) X A(4) symmetry

F. Bazzocchi, M. Frigerio, S. Morisi

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    Abstract

    We study the flavor sector in models where the three families of matter are unified in a (16, 3) representation of the SO(10)×A4 group. The necessary ingredients to realize tribimaximal mixing in the lepton sector are identified systematically. The nonrenormalizable operators contributing to the fermion mass matrices play an important role. We also present a mechanism to explain the interfamily mass hierarchy of quarks and charged leptons, which relies on a "universal seesaw" mechanism and is compatible with tribimaximal mixing. © 2008 The American Physical Society.
    Original languageEnglish
    Pages (from-to)116018
    JournalPhysical Review D
    Volume78
    Issue number11
    DOIs
    Publication statusPublished - 2008

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    Times Cited: 1

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