Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-07-20
Nucl.Phys.B809:218-243,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
29 pages, 1 figure
Scientific paper
10.1016/j.nuclphysb.2008.10.002
We analyze lepton flavour violating transitions, leptonic magnetic dipole moments (MDMs) and electric dipole moments (EDMs) in a class of models characterized by the flavour symmetry A4 x Z3 x U(1)_{FN}, whose choice is motivated by the approximate tri-bimaximal mixing observed in neutrino oscillations. We construct the relevant low-energy effective Lagrangian where these effects are dominated by dimension six operators, suppressed by the scale M of new physics. All the flavour breaking effects are universally described by the vacuum expectation values
Feruglio Ferruccio
Hagedorn Claudia
Lin Yin
Merlo Luca
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