Thermal Right-Handed Sneutrino Dark Matter

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dc.creatorDeppisch, Frank
dc.creatorPilaftsis, Apostolos
dc.date2008-09-23
dc.date.accessioned2026-07-07T12:36:15Z
dc.date.available2026-07-07T12:36:15Z
dc.descriptionWe discuss the relic abundance of the right-handed sneutrinos in the supersymmetric F_D-term model of hybrid inflation. As well as providing a natural solution to the mu- and gravitino overabundance problems, the model offers the lightest right-handed sneutrino as a candidate for thermal dark matter. The F_D-term model predicts a new quartic coupling of purely right-handed sneutrinos to the Higgs doublets that thermalizes the sneutrinos and makes them annihilate sufficiently fast to a level compatible with the current cosmic microwave background data. We discuss this scenario and identify favourable regions of the parameter space within mSUGRA.
dc.descriptionSubmitted for the SUSY08 proceedings, 3 pages, LaTeX, 2 eps figures
dc.identifierhttps://arxiv.org/abs/0809.3932
dc.identifierhttp://arxiv.org/abs/0809.3932
dc.identifierAIP Conf.Proc.1078:572-574,2009
dc.identifierdoi:10.1063/1.3052031
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/218032
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThermal Right-Handed Sneutrino Dark Matter
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