Coplanar Grid Cryogenic Germanium Detectors For Dark Matter Search

被引：1

作者：

Broniatowski, A. ^{[1
]}

机构：

[1] CNRS, Ctr Spectrometrie Nucl & Spectrometrie Masse, IN2P3, F-91405 Orsay, France

来源：

LOW TEMPERATURE DETECTORS LTD 13 | 2009年 / 1185卷

关键词：

dark matter; cryogenic Ge detector; coplanar grid; surface event rejection; SURFACE EVENT REJECTION; GE DETECTORS; IONIZATION; ELECTRODES;

D O I：

10.1063/1.3292565

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A new design of a cryogenic germanium detector for dark matter search is presented, taking advantage of the coplanar grid technique of event localisation for improved background discrimination. Experiments performed with prototype devices in the EDELWEISS II setup at the Modane underground facility attest to the high efficiency of these devices for p and gamma background rejection. This opens the road to investigate the 10(-8) pb range of WIMP-nucleon collision cross-sections, and possibly beyond, as proposed in the EURECA project of a one-ton Ge detector mass.

引用

页码：219 / 222

页数：4

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