Exploring the dark matter inelastic frontier with 79.6 days of PandaX-II data

PandaX-II Collaboration: Xun Chen , Abdusalam Abdukerim , Wei Chen , Yunhua Chen , Xiangyi Cui , Deqing Fang , Changbo Fu , Karl Giboni

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Franco Giuliani Xuyuan Guo Zhifan Guo Ke Han Shengming He Xingtao Huang Xiangdong Ji Yonglin Ju Shaoli Li Heng Lin Huaxuan Liu Jianglai Liu Yugang Ma Yajun Mao Jinhua Ning Xiangxiang Ren Fang Shi Andi Tan Cheng Wang Hongwei Wang Meng Wang Qiuhong Wang Siguang Wang Xiuli Wang Xuming Wang Qingyu Wu Shiyong Wu Mengjiao Xiao Pengwei Xie Binbin Yan Yong Yang Jianfeng Yue Dan Zhang Hongguang Zhang Tao Zhang Li Zhao Jifang Zhou Ning Zhou Xiaopeng Zhou

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classification ✦ hep-ex astro-ph.COhep-ph

keywords darkmatterdatainelasticmasspandax-iiscatteringsplitting

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We report here the results of searching for inelastic scattering of dark matter (initial and final state dark matter particles differ by a small mass splitting) with nucleon with the first 79.6-day of PandaX-II data (Run 9). We set the upper limits for the spin independent WIMP-nucleon scattering cross section up to a mass splitting of 300 keV/c$^2$ at two benchmark dark matter masses of 1 and 10 TeV/c$^2$.

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Exploring the dark matter inelastic frontier with 79.6 days of PandaX-II data

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