Gravitino Dark Matter and Light Gluino in an R-invariant Low Scale Gauge Mediation
arXiv:1012.5466 · doi:10.1007/JHEP04(2011)077
Abstract
We consider the simplest class of the R-invariant gauge mediation model with the gravitino mass in the one to ten keV range. We show that the entropy production from the supersymmetry breaking sector makes the gravitino into a warm dark matter candidate. We also discuss that the gluino mass can be lighter than the wino mass even when the messenger sector satisfies the GUT relations at the GUT scale.
29 pages, 12 figures; v2 reference and explanation added
References in corpus (4)
Cited by in corpus (13)
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