Relic abundance of dark matter in universal extra dimension models with right-handed neutrinos

Details Relic abundance of dark matter in universal extra dimension models with right-handed neutrinos Relic abundance of dark matter in universal extra dimension models with right-handed neutrinos

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1115..314m&link_type=abstract

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

Mathematics

Logic

Cosmology, Dark Matter, Standard-Model Higgs Bosons

Scientific paper

Relic abundance of dark matter is investigated in the framework of universal extra dimension models with right-handed neutrinos. These models are free from the serious Kaluza-Klein (KK) graviton problem that the original universal extra dimension model possesses. The first KK particle of the right-handed neutrino is a candidate for dark matter in this framework. When ordinary neutrino masses are large enough such as the degenerate mass spectrum case, the dark matter relic abundance can change significantly. The scale of the extra dimension consistent with cosmological observations can be 500 GeV in the minimal setup of universal extra dimension models with right-handed neutrinos.

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