Yingjie Fan⁹, Deqing Fang², Xuanye Fu³, Zhixing Gao³, Yujie Ge⁸, Lisheng Geng^7,10,11,12, Karl Giboni^3,5, Xunan Guo⁷, Xuyuan Guo^6,5, Zichao Guo⁷, Chencheng Han¹, Ke Han^3,4,5,*, Changda He³, Jinrong He⁶, Houqi Huang¹³, Junting Huang^3,5, Yule Huang³, Ruquan Hou^4,5, Xiangdong Ji^1,14, Yonglin Ju^15,5, Xiaorun Lan¹⁶, Chenxiang Li³, Jiafu Li¹⁷, Mingchuan Li^6,5, Peiyuan Li³, Shuaijie Li^6,3,5, Tao Li¹³, Yangdong Li³, Zhiyuan Li⁸, Qing Lin^18,16, Jianglai Liu^1,19,4,5,†, Yuanchun Liu³, Congcong Lu¹⁵, Xiaoying Lu^20,21, Lingyin Luo²², Yunyang Luo¹⁶, Yugang Ma², Yajun Mao²², Yue Meng^3,4,5, Binyu Pang^20,21, Ningchun Qi^6,5, Zhicheng Qian³, Xiangxiang Ren^20,21, Dong Shan²³, Xiaofeng Shang³, Xiyuan Shao²³, Guofang Shen⁷, Manbin Shen^6,5, Wenliang Sun^6,5, Xuyan Sun³, Yi Tao²⁴, Yueqiang Tian⁷, Yuxin Tian³, Anqing Wang^20,21, Guanbo Wang³, Hao Wang³, Haoyu Wang³, Jiamin Wang¹, Lei Wang²⁵, Meng Wang^20,21, Qiuhong Wang², Shaobo Wang^3,13,5, Shibo Wang¹⁵, Siguang Wang²², Wei Wang^8,17, Xu Wang¹, Zhou Wang^1,4,5, Yuehuan Wei⁸, Weihao Wu^3,5, Yuan Wu³, Mengjiao Xiao³, Xiang Xiao^17,‡, Kaizhi Xiong^6,5, Jianqin Xu³, Yifan Xu¹⁵, Shunyu Yao¹³, Binbin Yan¹, Xiyu Yan²⁶, Yong Yang^3,5, Peihua Ye³, Chunxu Yu²³, Ying Yuan³, Youhui Yun³, Xinning Zeng³, Minzhen Zhang¹, Peng Zhang^6,5, Shibo Zhang¹, Siyuan Zhang¹⁷, Shu Zhang¹⁷, Tao Zhang^1,4,5, Wei Zhang¹, Yang Zhang^20,21, Yingxin Zhang^20,21, Yuanyuan Zhang¹, Li Zhao^1,4,5, Kangkang Zhao¹, Jifang Zhou^6,5, Jiaxu Zhou¹³, Jiayi Zhou¹, Ning Zhou^1,4,5, Xiaopeng Zhou⁷, Zhizhen Zhou³, Chenhui Zhu¹⁶, Dong-Liang Fang^27,28, and Yu-Feng Li^29,30 (PandaX Collaboration)

• ¹State Key Laboratory of Dark Matter Physics, Key Laboratory for Particle Astrophysics and Cosmology (MoE), Shanghai Key Laboratory for Particle Physics and Cosmology, Tsung-Dao Lee Institute and School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 201210, China
• ²Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China
• ³State Key Laboratory of Dark Matter Physics, Key Laboratory for Particle Astrophysics and Cosmology (MoE), Shanghai Key Laboratory for Particle Physics and Cosmology, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
• ⁴Shanghai Jiao Tong University Sichuan Research Institute, Chengdu 610213, China
• ⁵Jinping Deep Underground Frontier Science and Dark Matter Key Laboratory of Sichuan Province, Liangshan 615000, China
• ⁶Yalong River Hydropower Development Company, Ltd., 288 Shuanglin Road, Chengdu 610051, China
• ⁷School of Physics, Beihang University, Beijing 102206, China
• ⁸Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai 519082, China
• ⁹Department of Physics, Yantai University, Yantai 264005, China
• ¹⁰Peng Huanwu Collaborative Center for Research and Education, Beihang University, Beijing 100191, China
• ¹¹International Research Center for Nuclei and Particles in the Cosmos and Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beihang University, Beijing 100191, China
• ¹²Southern Center for Nuclear-Science Theory (SCNT), Institute of Modern Physics, Chinese Academy of Sciences, Huizhou 516000, China
• ¹³SJTU Paris Elite Institute of Technology, Shanghai Jiao Tong University, Shanghai 200240, China
• ¹⁴Department of Physics, University of Maryland, College Park, Maryland 20742, USA
• ¹⁵School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
• ¹⁶Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
• ¹⁷School of Physics, Sun Yat-Sen University, Guangzhou 510275, China
• ¹⁸State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China
• ¹⁹New Cornerstone Science Laboratory, Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai 201210, China
• ²⁰Research Center for Particle Science and Technology, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, China
• ²¹Key Laboratory of Particle Physics and Particle Irradiation of Ministry of Education, Shandong University, Qingdao 266237, China
• ²²School of Physics, Peking University, Beijing 100871, China
• ²³School of Physics, Nankai University, Tianjin 300071, China
• ²⁴School of Science, Sun Yat-Sen University, Shenzhen 518107, China
• ²⁵College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China
• ²⁶School of Physics and Astronomy, Sun Yat-Sen University, Zhuhai 519082, China
• ²⁷Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
• ²⁸School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
• ²⁹Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
• ³⁰School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China

• ^*Contact author: ke.han@sjtu.edu.cn
• ^†Contact author: jianglai.liu@sjtu.edu.cn
• ^‡Contact author: xiaox93@mail.sysu.edu.cn