Detection of WIMPs Using Low Threshold HPGe Detector

YUE Qian; CHENG Jian-Ping; LI Yuan-Jing; LI Jin; WANG Zi-Jing

Chinese Physics C> 2004, Vol. 28> Issue(8) : 877-880

Detection of WIMPs Using Low Threshold HPGe Detector

Department of Engineering Physics,Tsinghua University,Beijing 100084,China2 Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100039,China3 Institute of Physics,AS,Taipei 11529,China

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Abstract：
An HPGe detector has been constructed for the direct detection of Weakly Interactive Massive Particles(WIMPs).The supersymmetric parameter space for WIMPs detection using this HPGe detector which has 100eV low energy threshold and 5g mass has been explored based on the so called Minimal Supersymmetric extension of the Standard Model(MSSM).The result shows that it will be possible to provide the most stringent upper bounds of WIMP nucleus spin independent cross section at the lower WIMPs mass region.

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YUE Qian, CHENG Jian-Ping, LI Yuan-Jing, LI Jin and WANG Zi-Jing. Detection of WIMPs Using Low Threshold HPGe Detector[J]. Chinese Physics C, 2004, 28(8): 877-880.

YUE Qian, CHENG Jian-Ping, LI Yuan-Jing, LI Jin and WANG Zi-Jing. Detection of WIMPs Using Low Threshold HPGe Detector[J]. Chinese Physics C, 2004, 28(8): 877-880. shu

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Received: 2004-01-04
Revised: 1900-01-01

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