Maximum And Minimum Dark Matter Detection Cross Sections

Abstract

The range of neutralino-proton cross sections for R-parity preserving supergravity models with GUT scale unification of the gauge coupling constants is examined. The models considered here are mSUGRA, models with non universal soft breaking and D-brane models. It is found that the current dark matter detectors are sampling significant parts of the SUSY parameter space and future detectors could sample almost the entire space. The special regions of parameter space that may be inaccessible to future detectors are seen to have a squark/gluino spectra beyond 1 TeV, but observable at the LHC.

11 pages, latex, 8 figures, based on invited talk at Workshop on the Next Generation U.S. Underground Facility, Carlsbad, NM, June, 2000

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