Hot on the Tail of the Elusive WIMP: Cryogenic Dark Matter Searches in the 21st Century
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It is now well established and accepted that the universe has a total density equal to the critical density (Ω=1) and that roughly 25% of that amount is accounted for by non-relativistic particles. That these particles, referred to as Dark Matter, have remained a mystery has served to motivate physicists to design more ingenious and far reaching experiments in an attempt to identify and understand them. This paper will review various ongoing and proposed Dark Matter searches which employ cryogenic techniques to both detect the rare Dark Matter interactions as well as reject the vast number of background events from cosmic ray and radioactive backgrounds. Such experiments are already sensitive to and are able to reject certain models of supersymmetry, and with the increases in sensitivity projected over the next few years may even be able to detect these elusive particles.
KeywordsDark Matter Direct detection Cryogenic detectors
PACS95.35.+d 14.80.Ly 29.40.Vj
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