Yukawa Textures and Anomalies

Details Yukawa Textures and Anomalies Yukawa Textures and Anomalies

1994-12-29

arxiv.org/abs/hep-ph/9412385v1

Phys.Lett. B350 (1995) 49-57

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages; macros included

Scientific paper

10.1016/0370-2693(95)00297-X

We augment the Minimal Supersymmetric Standard Model with a gauged family-dependent $U(1)$ to reproduce Yukawa textures compatible with experiment. In the simplest model with one extra chiral electroweak singlet field, acceptable textures require this $U(1)$ to be anomalous. The cancellation of its anomalies by a generic Green-Schwarz mechanism requires $\sin^2\theta_w=3/8$ at the string scale, suggesting a superstring origin for the standard model.

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