Abstract
EDELWEISS is a direct dark matter search program looking for Weakly Interacting Massive Particles (WIMPs) in the GeV-TeVmass range using an array of cryogenic Ge monocrystals. These high-performance detectors are read out simultaneously by NTD thermal sensors and by surface electrodes. They are installed in the deepest European underground laboratory in Modane. The third phase of the experiment is currently ongoing with a major upgrade of the setup. New FID800 Ge bolometers have been developed and the shielding has been improved to lower the background. In addition, the cryogenic and acquisition systems have been upgraded to improve energy resolutions and thresholds.
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