Sterile neutrino dark matter with gauged U(1)B-L and a low reheating temperature

Details Sterile neutrino dark matter with gauged U(1)B-L and a low reheating temperature Sterile neutrino dark matter with gauged U(1)B-L and a low reheating temperature

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1115..169k&link_type=abstract

THE DARK SIDE OF THE UNIVERSE: 4th International Workshop on the Dark Side of the Universe. AIP Conference Proceedings, Volume

Physics

5

Dark Matter, Supersymmetric Models, Scintillation Detectors

Scientific paper

Sterile right-handed neutrinos can be naturally embedded in a low scale gauged U(1)B-L extension of the standard model. We show that, within a low reheating scenario, such a neutrino can be produced via a novel manner, namely scattering through Z' gauge boson, and becomes an interesting dark matter candidate. In addition, we show that if the neutrino mass is of the order of MeV, then it accounts for the measured dark matter relic density and also accommodates the observed flux of 511 keV photons from the galactic bulge.

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