Lepton electric dipole moments in supersymmetric type II seesaw model

Details Lepton electric dipole moments in supersymmetric type II seesaw model Lepton electric dipole moments in supersymmetric type II seesaw model

2010-01-09

arxiv.org/abs/1001.1417v2

Phys.Lett.B687:349-354,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, revised to be published.

Scientific paper

10.1016/j.physletb.2010.03.026

We study the lepton electric dipole moments in the framework of the supersymmetric type II seesaw model where the exchange of heavy SU(2)_W triplets generates small neutrino masses. We show that the CP violating phase of the bilinear soft supersymmetry breaking term associated with the SU(2)_W triplets contributes to lepton electric dipole moments mainly through threshold corrections to the gaugino masses at the seesaw scale. As a consequence, the ratio of the electric dipole moments of the muon and the electron is the same as the ratio of their masses in a wide region of parameter space.

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