Limits to the muon flux from WIMP annihilation in the center of the Earth with the AMANDA detector

A search for nearly vertical up-going muon-neutrinos from neutralino annihilations in the center of the Earth has been performed with the AMANDA-B10 neutrino detector. The data sample collected in 130.1 days of live-time in 1997, ~10^9 events, has been analyzed for this search. No excess over the expected atmospheric neutrino background is oberved. An upper limit at 90% confidence level on the annihilation rate of neutralinos in the center of the Earth is obtained as a function of the neutralino mass in the range 100 GeV-5000 GeV, as well as the corresponding muon flux limit.

Note:

14 pages, 11 figures. Version accepted for publication in Physical Review D

95.30.Cq
95.35.+d
11.30.Pb
neutrino: cosmic radiation
neutrino: flux
dark matter
WIMP: search for
neutralino: annihilation
dependence: mass
muon: angular distribution

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