Accelerator Constraints on Neutralino Dark Matter
J. Ellis, T. Falk, K. A. Olive, M. Schmitt
Abstract
The constraints on neutralino dark matter χobtained from accelerator searches at LEP, the Fermilab Tevatron and elsewhere are reviewed, with particular emphasis on results from LEP 1.5. These imply within the context of the minimal supersymmetric extension of the Standard Model that mχ 21.4 GeV if universality is assumed, and yield for large tanβa significantly stronger bound than is obtained indirectly from Tevatron limits on the gluino mass. We update this analysis with preliminary results from the first LEP 2W run, and also preview the prospects for future sparticle searches at the LHC.
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