SUSY CP Problem in Gauge Mediation Model

Abstract

SUSY CP problem in the gauge mediation supersymmetry breaking model is reconsidered. We pay particular attention to two sources of CP violating phases whose effects were not seriously studied before; one is the effect of the breaking of the GUT relation among the gaugino masses due to the field esponsible for the GUT symmetry breaking, and the other is the supergravity effect on the supersymmetry breaking parameters, in particular, on the bi-linear supersymmetry breaking Higgs mass term. We show that both of them can induce too large electric dipole moments of electron, neutron, and so on, to be consistent with the experimental bounds.

15 pages, 3 figures, corrected typos, The version to appear in PLB

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• Testing the Minimal Direct Gauge Mediation at the LHC
• Constraining CP-phases in SUSY: an interplay of muon/electron $g-2$ and electron EDM
• Unified Models of the QCD Axion and Supersymmetry Breaking
• Seminatural Gauge Mediation from Product Group Unification