Limits on dark matter WIMPS using upward going muons in the MACRO detector

We perform an indirect search for Weakly Interacting Massive Particles (WIMPs) using the MACRO detector to look for neutrino-induced upward-going muons resulting from the annihilation of WIMPs trapped in the Sun and Earth. The search is conducted in various angular cones centered on the Sun and Earth to accommodate a range of WIMP masses. No significant excess over the background from atmospheric neutrinos is seen and limits are placed on the upward-going muon fluxes from Sun and Earth. These limits are used to constrain neutralino particle parameters from supersymmetric theory, including those suggested by recent results from DAMA/NaI.

Note:

14 pages, 7 figures, submitted to Phys. Rev. D Report-no: INFN/AE-98

dark matter
WIMP: search for
WIMP: annihilation
neutrino nucleus: interaction
charged current
muon: flux
upper limit
angular distribution
supersymmetry
neutralino: annihilation

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