Sterile neutrino dark matter in warped extra dimensions

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dc.creatorKadota, Kenji
dc.date2007-11-10
dc.date2008-02-01
dc.date.accessioned2026-07-07T11:54:06Z
dc.date.available2026-07-07T11:54:06Z
dc.descriptionWe consider a (long-lived) sterile neutrino dark matter scenario in a five dimensional (5D) warped extra dimension model where the fields can live in the bulk, which is partly motivated from the absence of the absolutely stable particles in a simple Randall-Sundrum model. The dominant production of the sterile neutrino can come from the decay of the radion (the scalar field representing the brane separation) around the electroweak scale. The suppressions of the 4D parameters due to the warp factor and the small wave function overlaps in the extra dimension help alleviate the exceeding fine-tunings typical for a sterile neutrino dark matter scenario in a 4D setup.
dc.descriptionTypos corrected and references added
dc.identifierhttps://arxiv.org/abs/0711.1570
dc.identifierhttp://arxiv.org/abs/0711.1570
dc.identifierPhys.Rev.D77:063509,2008
dc.identifierdoi:10.1103/PhysRevD.77.063509
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/204775
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Theory
dc.titleSterile neutrino dark matter in warped extra dimensions
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