NEWS:一种用于极低质量WIMP探测的新型球形气体探测器
NEWS : a new spherical gas detector for very low mass WIMP detection
摘要:
本文首先介绍了一种新概念球形气体探测器的主要特点及其工作原理。非常低的能量阈值,这样的探测器导致其潜在的性能暗物质粒子搜索,特别是低质量的WIMP的调查:原始方法的能量和基准体积校准和背景排斥的描述和获得的初步结果与低放射性的原型运行在Alumatoire Souterrain德Modane(“Frejus”实验室)。典型的预期灵敏度在截面的低质量WIMP的也示出,并简要讨论了其他应用。
英文摘要:
The main characteristics of a new concept of spherical gaseous detectors, with some details on its operation are first given. The very low energy threshold of such detector has led to investigations of its potential performance for dark matter particle searches, in particular low mass WIMP's : original methods for energy and fiducial volume calibration and background rejection are described and preliminary results obtained with a low radioactivity prototype operated in Laboratoire Souterrain de Modane ("Frejus" lab) are presented. Typical expected sensitivities in cross section for low mass WIMP's are also shown, and other applications briefly discussed.
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