Lepton Electric Dipole Moments, Supersymmetric Seesaw and Leptogenesis Phase

Details Lepton Electric Dipole Moments, Supersymmetric Seesaw and Leptogenesis Phase Lepton Electric Dipole Moments, Supersymmetric Seesaw and Leptogenesis Phase

2003-07-11

arxiv.org/abs/hep-ph/0307163v2

Phys.Rev. D68 (2003) 113008

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 6 figures, one reference added and monor typos corrected

Scientific paper

10.1103/PhysRevD.68.113008

We calculate the lepton electric dipole moments in a class of supersymmetric seesaw models and explore the possibility that they may provide a way to probe some of the CP violating phases responsible for the origin of matter via leptogenesis. We show that in models where the right handed neutrino masses, $M_R$ arise from the breaking of local B-L symmetry by a Higgs field with B-L=2, some of the leptogenesis phases can lead to enhancement of the lepton dipole moments compared to the prediction of models where $M_R$ is either directly put in by hand or is a consequence of a higher dimensional operator.

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