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Limits on Light Weakly Interacting Massive Particles from the First 102.8 kg ${\times}$ day Data of the CDEX-10 Experiment
- Source :
- Phys. Rev. Lett. 120, 241301 (2018)
- Publication Year :
- 2018
-
Abstract
- We report the first results of a light weakly interacting massive particles (WIMPs) search from the CDEX-10 experiment with a 10 kg germanium detector array immersed in liquid nitrogen at the China Jinping Underground Laboratory with a physics data size of 102.8 kg day. At an analysis threshold of 160 eVee, improved limits of 8 $\times 10^{-42}$ and 3 $\times 10^{-36}$ cm$^{2}$ at a 90\% confidence level on spin-independent and spin-dependent WIMP-nucleon cross sections, respectively, at a WIMP mass ($m_{\chi}$) of 5 GeV/${c}^2$ are achieved. The lower reach of $m_{\chi}$ is extended to 2 GeV/${c}^2$.<br />Comment: 5 pages, 4 figures
- Subjects :
- High Energy Physics - Experiment
Physics - Instrumentation and Detectors
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. Lett. 120, 241301 (2018)
- Publication Type :
- Report
- Accession number :
- edsarx.1802.09016
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevLett.120.241301