Fermion Masses at intermediate Tan(beta): Unification of Yukawa Determinants

Details Fermion Masses at intermediate Tan(beta): Unification of Yukawa Determinants Fermion Masses at intermediate Tan(beta): Unification of Yukawa Determinants

2006-10-24

arxiv.org/abs/hep-ph/0610307v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

to Appear in the proceedings of "QUARKS-2006"

Scientific paper

In the context of the Grand Unified MSSM, we investigate the fermion mass matrices at GUT scale. We note that from the experimental mass pattern the determinants of the Yukawa matrices at this scale can be unified with good precision. Taking the unification o determinants as an hypothesis, it gives two model independent predictions that in the MSSM turns out to determine an appropriate value for the product m_d m_s and tan(beta)~7-10 in the favored range. We then review a predictive model of SU(3) flavour in the context of supersymmetric SO(10) that nicely implements this mechanism, while explaining all fermion masses and mixings at 1 sigma level, including neutrino data.

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