Silicon Detector Dark Matter Results from the Final Exposure of CDMS II

Silicon Detector Dark Matter Results from the Final Exposure of CDMS II
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DOI:
10.1103/physrevlett.111.251301
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发表时间:
2013-12-16
影响因子:
8.6
通讯作者:
Zhang, J.
Zhang, J.
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Agnese, R.;Ahmed, Z.;Zhang, J.

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我们报告了CDMS II实验中用硅探测器寻找弱相互作用大质量粒子(WIMPS)的结果。这项对2007年7月至2008年9月间每天140.2公斤的数据进行的盲法分析显示,有三个候选地球事件,地表事件背景估计为0.41(-0.08)(+0.20)(STAT)(-0.24)(+0.28)(SYST)。其他已知的中子和铅-206背景仅限于
We report results of a search for weakly interacting massive particles (WIMPS) with the silicon detectors of the CDMS II experiment. This blind analysis of 140.2 kg day of data taken between July 2007 and September 2008 revealed three WIMP-candidate events with a surface-event background estimate of 0.41(-0.08)(+0.20)(stat)(-0.24)(+0.28)(syst). Other known backgrounds from neutrons and Pb-206 are limited to