S4 as a natural flavor symmetry for lepton mixing

Details S4 as a natural flavor symmetry for lepton mixing S4 as a natural flavor symmetry for lepton mixing

2008-11-03

arxiv.org/abs/0811.0345v2

Phys.Rev.D80:096005,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

References added, typos corrected and few irrelevant changings

Scientific paper

10.1103/PhysRevD.80.096005

Group theoretical arguments seem to indicate the discrete symmetry S4 as the minimal flavour symmetry compatible with tribimaximal neutrino mixing. We prove in a model independent way that indeed S4 can realize exact tribimaximal mixing through different symmetry breaking patterns. We present two models in which lepton tribimaximal mixing is realized in different ways and for each one we discuss the superpotential that leads to the correct breaking of the flavor symmetry.

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