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Durham University

Department of Mathematical Sciences

Academic Staff

Publication details for Steven Abel

Abel, S., Khalil, S. & Lebedev,O. (2002). Additional stringy sources for electric dipole moments. Physical Review Letters 89(12-16): 121601 (4 pages).

Author(s) from Durham

Abstract

We show that string models with low energy supersymmetry which accommodate the fermion mass hierarchy generally give non-universal soft trilinear couplings (A-terms). In conjunction with the apparently large Cabibbo-Kobayashi-Maskawa (CKM) phase, this results in large fermion EDMs even in the absence of CP violating phases in the supersymmetry breaking terms and the mu-term. Nonobservation of the EDMs therefore implies that strings select special flavor and/or supersymmetry breaking patterns.