SUSY CP Problem in Gauge Mediation Model

Details SUSY CP Problem in Gauge Mediation Model SUSY CP Problem in Gauge Mediation Model

2011-05-17

arxiv.org/abs/1105.3294v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

10.1016/j.physletb.2011.06.020

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.

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