Fermion masses and mixing in models with SO(10) x A_4 symmetry

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dc.creatorBazzocchi, Federica
dc.creatorFrigerio, Michele
dc.creatorMorisi, Stefano
dc.date2008-09-21
dc.date.accessioned2026-07-07T12:30:22Z
dc.date.available2026-07-07T12:30:22Z
dc.descriptionWe study the flavour sector in models where the three families of matter are unified in a $(16,3)$ representation of the $SO(10)\times A_4$ group. The necessary ingredients to realize tri-bi-maximal mixing in the lepton sector are identified systematically. The non-renormalizable operators contributing to the fermion mass matrices play an important role. We also present a mechanism to explain the inter-family mass hierarchy of quarks and charged leptons, which relies on a `universal seesaw' mechanism and is compatible with tri-bi-maximal mixing.
dc.description24 pages, revtex
dc.identifierhttps://arxiv.org/abs/0809.3573
dc.identifierhttp://arxiv.org/abs/0809.3573
dc.identifierPhys.Rev.D78:116018,2008
dc.identifierdoi:10.1103/PhysRevD.78.116018
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/216109
dc.subjectHigh Energy Physics - Phenomenology
dc.titleFermion masses and mixing in models with SO(10) x A_4 symmetry
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