RH Sneutrino Condensate CDM and the Baryon-to-Dark Matter Ratio

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dc.creatorMcDonald, John
dc.date2007-10-12
dc.date.accessioned2026-07-07T08:38:01Z
dc.date.available2026-07-07T08:38:01Z
dc.descriptionThe similarity of the observed mass densities of baryons and cold dark matter may be a sign they have a related origin. The baryon-to-dark matter ratio can be understood in the MSSM with right-handed (RH) neutrinos if CDM is due to a d = 4 flat direction condensate of very weakly coupled RH sneutrino LSPs and the baryon asymmetry is generated by Affleck-Dine leptogenesis along a d = 4 (H_{u}L)^2 flat direction. Observable signatures of the model include CDM and baryon isocurvature perturbations and distinctive long-lived NLSP phenomenology.
dc.descriptionSubmitted for the SUSY07 proceedings, 4 pages, LaTeX, 2 eps figures
dc.identifierhttps://arxiv.org/abs/0710.2360
dc.identifierhttp://arxiv.org/abs/0710.2360
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/140574
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Theory
dc.titleRH Sneutrino Condensate CDM and the Baryon-to-Dark Matter Ratio
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