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Dark matter search in the EDELWEISS experiment

✍ Scribed by O. Martineau; A. Benoit; L. Bergé; R. Bouvier; A. Broniatowski; M. Caussignac; L. Chabert; B. Chambon; M. Chapellier; G. Chardin; P. Charvin; M. De Jésus; P. Di Stefano; D. Drain; L. Dumoulin; E. Gerlic; J. Gascon; G. Gerbier; C. Goldbach; M. Goyot; M. Gros; J.P. Hadjout; S. Hervé; A. Juillard; A. de Lesquen; M. Loidl; J. Mallet; S. Marnieros; M. Martin; N. Mirabolfathi; L. Mosca; X.-F. Navick; G. Nollez; P. Pari; C. Riccio; H. Rodenas; L. Schoeffel; M. Stern; L. Vagneron

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
807 KB
Volume
124
Category
Article
ISSN
0920-5632

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✦ Synopsis

The EDELWEISS collaboration is performing a direct search for WIMP dark matter in a low-background environment in the Laboratoire Souterrain de Modane. Two series of results obtained with 320 g heat-andionization detectors are presented. During the 4.53 effective exposure of the year 2000 run, no nuclear events are observed in the fiducial volume in the 30-200 keV energy range. The central value of the signal reported by the DAMA experiment Nail-4 is thus excluded at 90% CL. The present 2002 setup with three detectors is described and improved calibration performances are presented. The R&D program and the EDELWEISS-II stage of the experiment are also briefly described.

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