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

E. Dudas, S. Pokorski, C. A. Savoy

Published 1995-09-28, updated 1995-09-29Version 2

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.