Neutrino masses and LFV from minimal breaking of U(3)5 and U(2)5 flavor symmetries

Gianluca Blankenburg, Gino Isidori, Joel Jones-Pérez

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58 Citas (Scopus)

Resumen

We analyze neutrino masses and Lepton Flavor Violation (LFV) in charged leptons with a minimal ansatz about the breaking of the U(3)5 flavor symmetry, consistent with the U(2)3 breaking pattern of quark Yukawa couplings, in the context of supersymmetry. Neutrino masses are expected to be almost degenerate, close to present bounds from cosmology and 0νββ experiments. We also predict s13≈s23{pipe}Vtd{pipe}/{pipe}Vts{pipe}≈0. 16, in perfect agreement with the recent Daya-Bay result. For slepton masses below 1 TeV, barring accidental cancellations, we expect B(μ → eγ) > 10-13 and B(τ → μγ) > 10-9, within the reach of future experimental searches.

Idioma originalInglés
Número de artículo2126
Páginas (desde-hasta)1-11
Número de páginas11
PublicaciónEuropean Physical Journal C
Volumen72
N.º8
DOI
EstadoPublicada - ago. 2012
Publicado de forma externa

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