First Results of the EDELWEISS WIMP Search using a 320 g Heat-and-Ionization Ge Detector

Details First Results of the EDELWEISS WIMP Search using a 320 g Heat-and-Ionization Ge Detector First Results of the EDELWEISS WIMP Search using a 320 g Heat-and-Ionization Ge Detector

2001-06-06

arxiv.org/abs/astro-ph/0106094v1

Phys.Lett.B513:15-22,2001

Astronomy and Astrophysics

Astrophysics

14 pages, Latex, 4 figures. Submitted to Phys. Lett. B

Scientific paper

10.1016/S0370-2693(01)00754-7

The EDELWEISS collaboration has performed a direct search for WIMP dark matter using a 320 g heat-and-ionization cryogenic Ge detector operated in a low-background environment in the Laboratoire Souterrain de Modane. No nuclear recoils are observed in the fiducial volume in the 30-200 keV energy range during an effective exposure of 4.53 kg.days. Limits for the cross-section for the spin-independent interaction of WIMPs and nucleons are set in the framework of the Minimal Supersymmetric Standard Model (MSSM). The central value of the signal reported by the experiment DAMA is excluded at 90% CL.

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