Horizontal Symmetry for Quark and Squark Masses in Supersymmetric SU(5)

Details Horizontal Symmetry for Quark and Squark Masses in Supersymmetric SU(5) Horizontal Symmetry for Quark and Squark Masses in Supersymmetric SU(5)

1996-03-21

arxiv.org/abs/hep-ph/9603372v2

Phys.Rev.Lett. 77 (1996) 1699-1702

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, latex, 1 latex figure included version to be published in Phys. Rev. Lett. ; some small changes in notations and pre

Scientific paper

10.1103/PhysRevLett.77.1699

Recent interest in horizontal symmetry model building has been driven mainly by the large top mass and hence strong hierarchy in quark masses, and the possibility of appropriately constrained soft squark mass matrices, in place of an assumed universality condition, for satisfying the relevant FCNC constraints. Here we present the first successful SUSY-$SU(5)$ model that has such a feature. The horizontal symmetry is a gauged $(Q_{12} \times U(1))_H$ ($\subset (SU(2) \times U(1))_H$). All nonrenormalizable terms compatible with the symmetry are allowed in the mass matrix constructions. Charged lepton masses can also be accommodated.

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