Pseudo-Majoron as Dark Matter

Details Pseudo-Majoron as Dark Matter Pseudo-Majoron as Dark Matter

2010-04-12

arxiv.org/abs/1004.1919v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages. Minor correction. Accepted by PLB

Scientific paper

We consider the singlet Majoron model with softly broken lepton number. This model contains three right-handed neutrinos and a singlet scalar besides the standard model fields. The real part of the singlet scalar develops a vacuum expectation value to generate the lepton number violation for seesaw and leptogenesis. The imaginary part of the singlet scalar becomes a massive pseudo-Majoron to be a dark matter candidate with testability by colliders, direct detection experiments and neutrino observations.

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