Dark Matter Results from 54-Ton-Day Exposure of PandaX-II Experiment
Cui, XY; Abdukerim, A; Chen, W; Chen, X; Chen, YH; Dong, BB; Fang, DQ; Fu, CB; Giboni, K; Giuliani, F; Gu, LH; Gu, YK; Guo, XY; Guo, ZF; Han, K; He, CD; Huang, D; He, SM; Huang, XT; Huang, Z; Ji, XD; Ju, YL; Li, SL; Li, Y; Lin, H; Liu, HX; Liu, JL; Ma, YG; Mao, YJ; Ni, KX; Ning, JH; Ren, XX; Shi, F; Tan, AD; Wang, C; Wang, HW; Wang, M; Wang, QH; Wang, SG; Wang, XL; Wang, XM; Wu, QY; Wu, SY; Xiao, MJ; Xie, PW; Yan, BB; Yang, Y; Yue, JF; Zhang, D; Zhang, HG; Zhang, T; Zhang, TQ; Zhao, L; Zhou, JF; Zhou, N; Zhou, XP
2017
发表期刊PHYSICAL REVIEW LETTERS
ISSN0031-9007
卷号119期号:18页码:-
文章类型期刊论文
摘要We report a new search for weakly interacting massive particles (WIMPs) using the combined low background data sets acquired in 2016 and 2017 from the PandaX-II experiment in China. The latest data set contains a new exposure of 77.1 live days, with the background reduced to a level of 0.8 x 10(-3) evt/kg/day, improved by a factor of 2.5 in comparison to the previous run in 2016. No excess events are found above the expected background. With a total exposure of 5.4 x 10(4) kg day, the most stringent upper limit on the spin-independent WIMP-nucleon cross section is set for a WIMP with mass larger than 100 GeV/c(2), with the lowest 90% C.L. exclusion at 8.6 x 10(-47) cm(2) at 40 GeV/c(2).
DOI10.1103/PhysRevLett.119.181302
收录类别SCI
语种英语
WOS记录号WOS:000413903200006
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28594
专题中科院上海应用物理研究所2011-2018年
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Cui, XY,Abdukerim, A,Chen, W,et al. Dark Matter Results from 54-Ton-Day Exposure of PandaX-II Experiment[J]. PHYSICAL REVIEW LETTERS,2017,119(18):-.
APA Cui, XY.,Abdukerim, A.,Chen, W.,Chen, X.,Chen, YH.,...&Zhou, XP.(2017).Dark Matter Results from 54-Ton-Day Exposure of PandaX-II Experiment.PHYSICAL REVIEW LETTERS,119(18),-.
MLA Cui, XY,et al."Dark Matter Results from 54-Ton-Day Exposure of PandaX-II Experiment".PHYSICAL REVIEW LETTERS 119.18(2017):-.
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