Abstract
We show how quantum corrections above the GUT scale can result in supersymmetric models where lepton flavour violation is naturally suppressed, in agreement with all experimental bounds. Within this framework, a soft term structure as predicted by an Abelian flavour symmetry combined with SU(5) RGEs for scales above MGUT, results to an efficient suppression of the off-diagonal terms in the scalar soft matrices, particularly for m0 < 100 GeV.
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