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Final results of the EDELWEISS-II WIMP search using a 4-kg array of cryogenic germanium detectors with interleaved electrodes

Abstract : The EDELWEISS-II collaboration has completed a direct search for WIMP dark matter with an array of ten 400g cryogenic germanium detectors allowing simultaneous measurement of heat and ionisation in operation at the Laboratoire Souterrain de Modane. A total e ective exposure of 384 kg*d has been achieved, mostly coming from fourteen months of continuous operation. Five nuclear recoil candidates are observed above 20 keV, while the estimated background is less than 3 events. The result is interpreted in terms of limits on the cross-section of spin-independent interactions of WIMPs and nucleons. New constraints are also set on inelastic WIMP-nucleon models.
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http://hal.in2p3.fr/in2p3-00762193
Contributor : Dominique Girod <>
Submitted on : Thursday, December 6, 2012 - 3:51:01 PM
Last modification on : Tuesday, November 19, 2019 - 2:43:49 AM

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  • HAL Id : in2p3-00762193, version 1

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B. Censier. Final results of the EDELWEISS-II WIMP search using a 4-kg array of cryogenic germanium detectors with interleaved electrodes. 23rd Rencontres de Blois: Particle Physics and Cosmology, May 2011, Blois, France. ⟨in2p3-00762193⟩

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