We show how a specific sequential breaking pattern of a U(2) flavour symmetry occurs automatically in a broad framework. The relative orientation in U(2) space of the spurion fields that breaks the U(2) symmetry is uniquely fixed, thus determining the form of the fermion mass matrices in a predictive way. (C) 1999 Elsevier Science B.V. All rights reserved.
Fermion masses and symmetry breaking of a U(2) flavour symmetry RID F-4311-2011
Romanino, Andrea
1999-01-01
Abstract
We show how a specific sequential breaking pattern of a U(2) flavour symmetry occurs automatically in a broad framework. The relative orientation in U(2) space of the spurion fields that breaks the U(2) symmetry is uniquely fixed, thus determining the form of the fermion mass matrices in a predictive way. (C) 1999 Elsevier Science B.V. All rights reserved.File in questo prodotto:
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