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 day. 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.
First results of the EDELWEISS WIMP search using a 320 g heat-and-ionization Ge detector / A. Benoit, L. Bergé, A. Broniatowski, B. Chambon, M. Chapellier, G. Chardin, P. Charvin, M. De Jésus, P. Di Stefano, D. Drain, L. Dumoulin, J. Gascon, G. Gerbier, C. Goldbach, M. Goyot, M. Gros, J. P. Hadjout, A. Juillard, A. de Lesquen, M. Loidl, J. Mallet, S. Marnieros, O. Martineau, N. Mirabolfathi, L. Mosca, L. Miramonti, X.-F. Navick, G. Nollez, P. Pari, M. Stern, L. Vagneron. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 513:1-2(2001), pp. 15-22.
First results of the EDELWEISS WIMP search using a 320 g heat-and-ionization Ge detector
L. Miramonti;
2001
Abstract
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 day. 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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