期刊
CHINESE PHYSICS C
卷 44, 期 12, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1674-1137/abb658
关键词
dark matter; direct detection; liquid xenon
资金
- Double Top-class grant from Shanghai Jiao Tong University
- National Science Foundation of China [11435008, 11525522, 11775141, 11755001]
- Ministry of Science and Technology of China [2016YFA0400301]
- Office of Science and Technology, Shanghai Municipal Government [11DZ2260700, 16DZ2260200, 18JC1410200]
We report the dark matter search results obtained using the full 132 ton center dot day exposure of the PandaX-II experiment, including all data from March 2016 to August 2018. No significant excess of events is identified above the expected background. Upper limits are set on the spin-independent dark matter-nucleon interactions. The lowest 90% confidence level exclusion on the spin-independent cross section is 2.2 x 10(-46) cm(2) at a WIMP mass of 30 GeV/c(2).
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