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Revista mexicana de física
versión impresa ISSN 0035-001X
Resumen
MONDRAGON, A; MONDRAGON, M y PEINADO, E. Lepton flavour violating processes in an S3 -symmetric model. Rev. mex. fis. [online]. 2008, vol.54, suppl.3, pp.81-91. ISSN 0035-001X.
A variety of lepton flavour violating effects related to the recent discovery of neutrino oscillations and mixings is here systematically discussed in terms of an S3-flavour permutational symmetry. After presenting some relevant results on lepton masses and mixings, previously derived in a minimal S3-invariant extension of the Standard Model, we compute the branching ratios of some selected flavour-changing neutral current processes (FCNC) as well as the contribution of the exchange of neutral flavour-changing scalar to the anomaly of the magnetic moment of the muon. We found that the minimal S3 -invariant extension of the Standard Model describes successfully masses and mixings, as well as, all flavour changing neutral current processes in excellent agreement with experiment.
Palabras llave : Flavour symmetries; quark and lepton masses and mixings; neutrino masses and mixings; flavour changing neutral currents; muon anomalous magnetic moment.