Search for Cosmic-Ray Boosted Sub-MeV Dark-Matter–Electron Scattering in PandaX-4T
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Published:2024-09-05
Issue:10
Volume:133
Page:
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ISSN:0031-9007
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Container-title:Physical Review Letters
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language:en
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Short-container-title:Phys. Rev. Lett.
Author:
Shang Xiaofeng1, Abdukerim Abdusalam1, Bo Zihao1, Chen Wei1, Chen Xun1123, Chen Yunhua43, Cheng Chen5, Cheng Zhaokan5, Cui Xiangyi1, Fan Yingjie6, Fang Deqing7, Geng Lisheng8889, Giboni Karl13, Guo Xuyuan43, Han Chencheng1, Han Ke13, He Changda1, He Jinrong4, Huang Di1, Huang Junting13, Huang Zhou1, Hou Ruquan23, Hou Yu1, Ji Xiangdong10, Ji Xiangpan11, Ju Yonglin13, Li Chenxiang1, Li Jiafu5, Li Mingchuan43, Li Shuaijie413, Li Tao5, Lin Qing1212, Liu Jianglai1123, Lu Congcong1, Lu Xiaoying1313, Luo Lingyin14, Luo Yunyang12, Ma Wenbo1, Ma Yugang7, Mao Yajun14, Meng Yue123, Ning Xuyang1, Pang Binyu1313, Qi Ningchun43, Qian Zhicheng1, Ren Xiangxiang1313, Shaheed Nasir1313, Shao Xiyuan11, Shen Guofang8, Shen Manbin43, Si Lin1, Sun Wenliang43, Tao Yi12, Wang Anqing1313, Wang Meng1313, Wang Qiuhong7, Wang Shaobo113, Wang Siguang14, Wang Wei55, Wang Xiuli1, Wang Xu1, Wang Zhou1123, Wei Yuehuan5, Wu Mengmeng5, Wu Weihao13, Wu Yuan1, Xiao Mengjiao1, Xiao Xiang5, Xiong Kaizhi43, Yan Binbin1, Yan Xiyu5, Yang Yong1, Yu Chunxu11, Yuan Ying1, Yuan Zhe7, Yun Youhui1, Zeng Xinning1, Zhang Minzhen1, Zhang Peng43, Zhang Shibo1, Zhang Shu5, Zhang Tao1123, Zhang Wei1, Zhang Yang1313, Zhang Yingxin1313, Zhang Yuanyuan1, Zhao Li113, Zhou Jifang43, Zhou Ning1123, Zhou Xiaopeng8, Zhou Yubo1, Zhou Zhizhen1, Ge Shao-Feng11, Xia Chen11,
Affiliation:
1. Shanghai Jiao Tong University 2. Shanghai Jiao Tong University Sichuan Research Institute 3. Jinping Deep Underground Frontier Science and Dark Matter Key Laboratory of Sichuan Province 4. Yalong River Hydropower Development Company, Ltd. 5. Sun Yat-Sen University 6. University 7. Fudan University 8. Beihang University 9. Chinese Academy of Sciences 10. University of Maryland 11. Nankai University 12. University of Science and Technology of China 13. Shandong University 14. Peking University
Abstract
We report the first search for the elastic scatterings between cosmic-ray boosted sub-MeV dark matter (DM) and electrons in the PandaX-4T liquid xenon experiment. Sub-MeV DM particles can be accelerated by scattering with electrons in the cosmic rays and produce detectable electron recoil signals in the detector. Using the commissioning data from PandaX-4T of 0.63 tonne·year exposure, we set new constraints on DM-electron scattering cross sections for DM masses ranging from 10 eV/c2 to 3 keV/c2.
Published by the American Physical Society
2024
Funder
National Natural Science Foundation of China National Science and Technology Major Project Office of Science and Technology Shanghai Jiao Tong University CAS Center for Excellence in Particle Physics Tencent Shanghai Municipal Government Hongwen Foundation in Hong Kong Yangyang Development Fund
Publisher
American Physical Society (APS)
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