Supersymmetry breaking and dark matter

Details Supersymmetry breaking and dark matter Supersymmetry breaking and dark matter

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phlb..267..219l&link_type=abstract

Physics Letters B, Volume 267, Issue 2, p. 219-226.

Physics

37

Scientific paper

We explore the possibility of neutralino dark matter in minimal SUSY GUT models. We emphasize the use of accurate formulae for the squark and slepton masses, and perform our calculations in a general supersymmetry breaking scenario. We find that the prospects for dark matter are largely determined by the ratio of the universal gaugino mass (m1/2) to the universal scalar mass (m0), ξ---m1/2/m0. For ξ<<1, both light (Mw) dark matter candidates exist, while for ξ~1 mainly the heavy candidates survive. For ξ>>1, consistency constraints of the model eliminate most dark matter candidates.
Supported in part by DOE Grant DE-FG05-91-ER-40633.

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