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Título

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

AutorSerodio, Hugo ; González Felipe, Ricardo; Silva, Joao P.
Palabras claveNon-conservation
symmetries
Fecha de publicación10-jul-2013
EditorAmerican Physical Society
CitaciónPhysical Review - Section D - Particles and Fields 88 (1): 015015 - 10 (2013)
ResumenWe 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.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevD.88.015015
URIhttp://hdl.handle.net/10261/126280
DOI10.1103/PhysRevD.88.015015
ISSN1550-7998
E-ISSN1550-2368
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