Dark Matter and Detector Cross Sections

Abstract

We consider here the spin independent neutralino-proton cross section for a variety of SUGRA and D-brane models with R-parity invariance. The minimum cross section generally is >~ 1× 10-(9-10) pb (and hence accessible to future detectors) except for special regions of parameter space where it may drop to =~ 10-12 pb. In the latter case the gluino and squarks will be heavy (>~ 1 TeV).

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