Issue EAS Publications Series Volume 36, 2009 Dark Energy and Dark Matter: Observations, Experiments and Theories Page(s) 237 - 242 DOI 10.1051/eas/0936033 Published online 30 May 2009

Dark Energy and Dark Matter: Observations, Experiments and Theories
E. Pécontal, T. Buchert, Ph. Di Stefano and Y. Copin (eds)
EAS Publications Series, 36 (2009) 237-242
DOI: 10.1051/eas/0936033

Status of the Edelweiss-II experiment

V. Sanglard on behalf of the EDELWEISS Collaboration

Université de Lyon, 69622 Lyon, France; Université Lyon 1, Villeurbanne; CNRS/IN2P3, UMR 5822, Institut de Physique Nucléaire de Lyon, France

Published online: 30 May 2009

Abstract
EDELWEISS is a direct dark matter search experiment situated in the low radioactivity environment of the Modane Underground Laboratory. The experiment uses Ge detectors at very low temperature in order to identify eventual rare nuclear recoils induced by elastic scattering of WIMPs from our Galactic halo. We present results of the commissioning of the second phase of the experiment, involving more than 7 kg of Ge, that has been completed in 2007. We describe two new types of detectors with active rejection of events due to surface contamination. This active rejection is required in order to achieve the physics goals of 10^-8 pb cross-section measurement for the current phase.

© EAS, EDP Sciences 2009

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