Extended Zee model for Neutrino Mass, Leptogenesis and Sterile Neutrino like Dark Matter

Details Extended Zee model for Neutrino Mass, Leptogenesis and Sterile Neutrino like Dark Matter Extended Zee model for Neutrino Mass, Leptogenesis and Sterile Neutrino like Dark Matter

2008-04-13

arxiv.org/abs/0804.2072v3

Phys.Rev.D78:115013,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Significantly revised, accepted for publication in PRD

Scientific paper

10.1103/PhysRevD.78.115013

We propose an extension of the standard model with a $U(1)_{\rm B-L}$ global symmetry that accommodates radiative neutrino masses along with dark matter and leptogenesis. The observed matter antimatter asymmetry of the universe is generated through the leptogenesis route keeping the $U(1)_{\rm B-L}$ symmetry intact. The $B-L$ global symmetry is then softly broken, providing the sub-eV neutrino masses. The model then incorporates a MeV scale sterile neutrino like dark matter.

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