Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-09-16
Phys.Rev. D69 (2004) 036002
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, RevTeX4, version to appear on Phys. Rev. D
Scientific paper
10.1103/PhysRevD.69.036002
We present a complete analysis of the fermion masses and mixing matrices in the framework of the little flavon model. In this model textures are generated by coupling the fermions to scalar fields, the little flavons, that are pseudo-Goldstone bosons of the breaking of a global SU(6) symmetry. The Yukawa couplings arise from the vacuum expectation values of the flavon fields, their sizes controlled by a potential a la Coleman-Weinberg. Quark and lepton mass hierarchies and mixing angles are accomodated within the effective approach in a natural manner.
Bazzocchi Federica
Bertolini Stefano
Fabbrichesi Marco
Piai Maurizio
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