Soft scalar masses in supergravity with horizontal U(1)_X gauge symmetry

preprint1995arXivOpen access

In supergravity with modular invariance and horizontal $U(1)_X$ gauge symmetry there is a relation between modular weights and $U(1)_X$ charges. The soft scalar masses are then strongly correlated with Yukawa matrices. The implications for FCNC are discussed.

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Soft scalar masses in supergravity with horizontal U(1)_X gauge symmetry

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