The EDELWEISS dark matter search experiment: towards enhanced sensitivity

被引：0
作者：
Kozlov, V. Yu. [1 ]
机构：
[1] Karlsruhe Inst Technol, Inst Kernphys, Postfach 3640, D-76021 Karlsruhe, Germany
来源：
ASTROPARTICLE, PARTICLE, SPACE PHYSICS AND DETECTORS FOR PHYSICS APPLICATIONS | 2012年 / 7卷
关键词：
dark matter; bolometer detectors; background; underground physics; DETECTORS;
D O I：
暂无
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
EDELWEISS-2 is a Ge-bolometer experiment searching for WIMP dark matter and located in the underground laboratory, Laboratoire Souterrain de Modane (LSM, France). The collaboration uses new cryogenic detectors with an improved background rejection (interleaved electrode design and continues further developments. An operation of ten 400-g bolometers at LSM together with an active muon veto shielding has been achieved. Results based on a total effective exposure of 384 kgd obtained in 2009/2010 have been published recently. A cross-section for spin-independent scattering of WIMPs on the nucleon of 4.410(-8) pb is excluded at 90%CL for a WIMP mass of 85 GeV. This bolometer data and the latest measurements with 800-g detectors are presented. Further plans of the collaboration to reach sensitivity of 510(-9) pb and for a next generation experiment, EURECA, are discussed.
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页码：345 / 349
页数：5
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