Journal
PHYSICAL REVIEW D
Volume 93, Issue 12, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.93.122009
Keywords
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Funding
- Shanghai Jiao Tong University [985-III]
- National Science Foundation of China [11435008, 11455001, 11505112, 11525522]
- Office of Science and Technology in Shanghai Municipal Government [11DZ2260700]
- Chinese Academy of Sciences Center for Excellence in Particle Physics
- Shandong University
- Peking University
- University of Maryland
- China Jinping Underground Laboratory administration,
- Yalong River Hydropower Development Company, Ltd.
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We present the results of a search for weakly interacting massive particles (WIMPs) from the commissioning run of the PandaX-II experiment located at the China Jinping Underground Laboratory. A WIMP search data set with an exposure of 306 x 19.1 kg-day was taken, while its dominant Kr-85 background was used as the electron recoil calibration. No WIMP candidates are identified, and a 90% upper limit is set on the spin-independent elastic WIMP-nucleon cross section with a lowest excluded cross section of 2.97 x 10(-45) cm(2) at a WIMP mass of 44.7 GeV/c(2).
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