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arXiv 1602.06563hep-exphysics.ins-det
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PandaX- II试运行的暗物质搜索结果

Dark Matter Search Results from the Commissioning Run of PandaX-II

PandaX Collaboration, Andi Tan, Xiang Xiao, Xiangyi Cui, Xun Chen, Yunhua Chen, Deqing Fang, Changbo Fu, Karl Giboni, Franco Giuliani, Haowei Gong, Shouyang Hu,… 展开作者

PandaX Collaboration, Andi Tan, Xiang Xiao, Xiangyi Cui, Xun Chen, Yunhua Chen, Deqing Fang, Changbo Fu, Karl Giboni, Franco Giuliani, Haowei Gong, Shouyang Hu, Xingtao Huang, Xiangdong Ji, Yonglin Ju, Siao Lei, Shaoli Li, Xiaomei Li, Xinglong Li, Hao Liang, Qing Lin, Huaxuan Liu, Jianglai Liu, Wolfgang Lorenzon, Yugang Ma, Yajun Mao, Kaixuan Ni, Kirill Pushkin, Xiangxiang Ren, Michael Schubnell, Manbin Shen, Fang Shi, Scott Stephenson, Hongwei Wang, Jiming Wang, Meng Wang, Qiuhong Wang, Siguang Wang, Xuming Wang, Zhou Wang, Shiyong Wu, Mengjiao Xiao, Pengwei Xie, Binbin Yan, Yong Yang, Jianfeng Yue, Xionghui Zeng, Hongguang Zhang, Hua Zhang, Huanqiao Zhang, Tao Zhang, Li Zhao, Jing Zhou, Xiaopeng Zhou

摘要:

我们提出了一个搜索的结果,从位于中国锦屏地下实验室的PandaX-II实验的调试运行的WIMP。获取了暴露量为306 $\times$ 19.1 kg-天的WIMP搜索数据集,而其主要$^{85}$ Kr背景用作电子反冲校准。没有发现WIMP的候选者,在WIMP质量为44.7~GeV/c $^2$时,自旋无关的弹性WIMP-核子截面的上限为90%,最低的排除截面为2.97 $\times$ 10 $^{-45}$ ~cm $^2$ .

英文摘要:

We present the results of a search for 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$\times$19.1 kg-day was taken, while its dominant $^{85}$Kr 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$\times$10$^{-45}$~cm$^2$ at a WIMP mass of 44.7~GeV/c$^2$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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