Flavour Democracy in Strong Unification

Details Flavour Democracy in Strong Unification Flavour Democracy in Strong Unification

1998-04-29

arxiv.org/abs/hep-ph/9804446v1

Phys.Lett. B435 (1998) 73-82

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 Pages plain latex; includes 5 eps figures

Scientific paper

10.1016/S0370-2693(98)00786-2

We show that the fermion mass spectrum may naturally be understood in terms of flavour democratic fixed points in supersymmetric theories which have a large domain of attraction in the presence of "strong unification". Our approach provides an alternative to the approximate Yukawa texture zeroes of the Froggatt-Nielsen mechanism. We discuss a particular model based on a broken gauged $SU(3)_L\times SU(3)_R$ family symmetry which illustrates our approach.

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