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题名:
Spin-Dependent Weakly-Interacting-Massive-Particle-Nucleon Cross Section Limits from First Data of PandaX-II Experiment
作者: Fu, CB; Cui, XY; Zhou, XP; Chen, X; Chen, YH; Fang, DQ; Giboni, K; Giuliani, F; Han, K; Huang, XT; Ji, XD; Ju, YL; Lei, S; Li, SL; Liu, HX; Liu, JL; Ma, YG; Mao, YJ; Ren, XX; Tan, AD; Wang, HW; Wang, JM; Wang, M; Wang, QH; Wang, SG; Wang, XM; Wang, Z; Wu, SY; Xiao, MJ; Xie, PW; Yan, BB; Yang, Y; Yue, JF; Zhang, HG; Zhang, T; Zhao, L; Zhou, N
刊名: PHYSICAL REVIEW LETTERS
出版日期: 2017
卷号: 118, 期号:7, 页码:-
DOI: 10.1103/PhysRevLett.118.071301
文章类型: 期刊论文
英文摘要: New constraints are presented on the spin-dependent weakly-interacting-massive- particle-(WIMP-) nucleon interaction from the PandaX-II experiment, using a data set corresponding to a total exposure of 3.3 x 10(4) kg day. Assuming a standard axial-vector spin-dependent WIMP interaction with Xe-129 and Xe-131 nuclei, the most stringent upper limits on WIMP- neutron cross sections for WIMPs with masses above 10 GeV/c(2) are set in all dark matter direct detection experiments. The minimum upper limit of 4.1 x 10(-41) cm(2) at 90% confidence level is obtained for a WIMP mass of 40 GeV/c(2). This represents more than a factor of 2 improvement on the best available limits at this and higher masses. These improved cross-section limits provide more stringent constraints on the effective WIMP- proton and WIMP- neutron couplings.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000393741400001
ISSN号: 0031-9007
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27446
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Fu, CB,Cui, XY,Zhou, XP,et al. Spin-Dependent Weakly-Interacting-Massive-Particle-Nucleon Cross Section Limits from First Data of PandaX-II Experiment[J]. PHYSICAL REVIEW LETTERS,2017-01-01,118(7):-.
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文件名: Spin-Dependent Weakly-Interacting-Massive-Particle-Nucleon Cross Section Limits from First Data of PandaX-II Experiment.pdf
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