Phenomenological Constraints on Supersymmetric Models with an Anomalous U(1) Flavor Symmetry

Details Phenomenological Constraints on Supersymmetric Models with an Anomalous U(1) Flavor Symmetry Phenomenological Constraints on Supersymmetric Models with an Anomalous U(1) Flavor Symmetry

1999-03-21

arxiv.org/abs/hep-ph/9903423v2

Phys.Lett. B461 (1999) 71-78

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, LaTeX; analysis limited to phenomenological constraints, version accepted for publication in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(99)00832-1

We investigate supersymmetric models in which an anomalous $U(1)_{X}$ symmetry explains the Yukawa hierarchy, and the related $D_{X}$-term plays a role in supersymmetry breaking. We use a bottom-up approach to model building. Phenomenological viability leads to a scenario with degenerate squark and slepton spectra and with heavy gauginos. Features of a K\"ahler potential that allows for such a scenario are described.

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