Neutrino masses and mixing in A(4) models with three Higgs doublets
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Neutrino masses and mixing in A(4) models with three Higgs doublets

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Neutrino masses and mixing in A(4) models with three Higgs doublets

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González Felipe, Ricardo; Serodio, Hugo; Silva, Joao P.
This document is a artículoDate2013
We study neutrino masses and mixing in the context of flavor models with A(4) symmetry, three scalar doublets in the triplet representation, and three lepton families. We show that there is no representation assignment that yields a dimension-5 mass operator consistent with experiment. We then consider a type-I seesaw with three heavy right-handed neutrinos, explaining in detail why it fails, and allowing us to show that agreement with the present neutrino oscillation data can be recovered with the inclusion of dimension-3 heavy neutrino mass terms that break softly the A(4) symmetry.

    González Felipe, Ricardo Serodio, Hugo Silva, Joao P. 2013 Neutrino masses and mixing in A(4) models with three Higgs doublets Physical Review D 88 1 015015
http://dx.doi.org/10.1103/PhysRevD.88.015015
distribuido bajo licencia Creative Commons de Reconocimiento-NoComercial 3.0 No adaptada

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