Electromagnetic leptogenesis at the TeV scale

Details Electromagnetic leptogenesis at the TeV scale Electromagnetic leptogenesis at the TeV scale

2011-04-11

arxiv.org/abs/1104.1851v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 2 eps figures

Scientific paper

We construct an explicit model implementing electromagnetic leptogenesis. In a simple extension of the Standard Model, a discrete symmetry forbids the usual decays of the right-handed neutrinos, while allowing for an effective coupling between the left-handed and right-handed neutrinos through the electromagnetic dipole moment. This generates correct leptogenesis with resonant enhancement and also the required neutrino mass via a TeV scale seesaw mechanism. The model is consistent with low energy phenomenology and would have distinct signals in the next generation colliders, and, perhaps even the LHC.

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