LFV in Models with A4 Flavour Symmetry

Details LFV in Models with A4 Flavour Symmetry LFV in Models with A4 Flavour Symmetry

2008-11-21

arxiv.org/abs/0811.3512v1

Nucl.Phys.Proc.Suppl.188:345-347,2009.

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 1 figure, adapted from a talk given at "Now 2008", September 6-13 2008, Conca Specchiulla (Otranto, Italy)

Scientific paper

10.1016/j.nuclphysbps.2009.02.08

The approximated tri-bimaximal mixing observed in the neutrino oscillations is a particular feature of a class of models characterized by the spontaneously broken horizontal flavour symmetry A4. In this paper, it is presented an analysis on the predictions of these models for relevant low-energy observables. In an effective operator approach, these effects are dominated by dim-6 operators, suppressed by the scale M of new physics. Indications for M and an upper bound on \theta_{13} of a few percent are found.

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