Abstract
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 Kähler potential that allows for such a scenario are described.
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