The flavor problem and discrete symmetries

Details The flavor problem and discrete symmetries The flavor problem and discrete symmetries

2007-12-05

arxiv.org/abs/0712.0781v3

Phys.Lett.B674:223-226,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, no figures; Report No. corrected; new references added. Version to be published in PLB

Scientific paper

10.1016/j.physletb.2009.03.022

In this letter we propose a multi-Higgs extension of the standard model with Abelian and non-Abelian discrete symmetries in which the mass matrices of the charged fermions obtained from renormalizable interactions are diagonal. Corrections induced by non-renormalizable interactions deviate these matrices from the diagonal form. Active neutrinos acquire mass only from non-renormalizable interactions. The main entries of the neutrino mass matrix arise only through dimension five operators, while the diagonal entries arise only from dimension six operators.

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