Neutralino Proton Cross Sections in SUGRA and D-BRANE Models

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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3 pages, latex, 3 figures, talk at DPF 2000, Columbus, OH, August 9-12, 2000

Scientific paper

10.1142/S0217751X01008291

We calculate the spin independent neutralino-proton cross section for universal SUGRA, non universal SUGRA and D-brane models with R-parity invariance. The regions of maximum cross section in these models has started to be probed by the current detectors. The minimum cross section generally is >~1\times 10^{-(9-10)}pb and hence will be accessible in the future detectors, barring special regions of parameter space where it can reduce to =~10^{-12}pb. However, the squarks and gluinos will be heavy (>~1 TeV) in the latter case, but still accessible at the LHC.

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