Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-11-14
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, RevTex
Scientific paper
In models with low-energy supersymmetry breaking, an anomalous Abelian horizontal gauge symmetry can simultaneously explain the fermion mass hierarchy and the values of the $\mu$ and $B$ terms. We construct an explicit model where the anomaly is cancelled by the Green-Schwarz mechanism at the string scale. We show that with our charge assignments, the breaking of the horizontal symmetry generates the correct order of magnitude and correct hierarchy for all Yukawa couplings.
Gherghetta Tony
Jungman Gerard
Poppitz Erich
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