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A Search of Low-Mass WIMPs with p-type Point Contact Germanium Detector in the CDEX-1 Experiment
- Source :
- Phys. Rev. D 93, 092003 (2016)
- Publication Year :
- 2016
-
Abstract
- The CDEX-1 experiment conducted a search of low-mass (< 10 GeV/c2) Weakly Interacting Massive Particles (WIMPs) dark matter at the China Jinping Underground Laboratory using a p-type point-contact germanium detector with a fiducial mass of 915 g at a physics analysis threshold of 475 eVee. We report the hardware set-up, detector characterization, data acquisition and analysis procedures of this experiment. No excess of unidentified events are observed after subtraction of known background. Using 335.6 kg-days of data, exclusion constraints on the WIMP-nucleon spin-independent and spin-dependent couplings are derived.<br />Comment: 12 pages, 19 figures
- Subjects :
- High Energy Physics - Experiment
Physics - Instrumentation and Detectors
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. D 93, 092003 (2016)
- Publication Type :
- Report
- Accession number :
- edsarx.1601.04581
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevD.93.092003