Dark Matter Search Results from the PandaX-4T Commissioning Run

Yue Meng^{1 2}, Zhou Wang^{1 2 3}, Yi Tao^{1 2}, Abdusalam Abdukerim¹, Zihao Bo¹, Wei Chen¹, Xun Chen^{1 2}, Yunhua Chen⁴, Chen Cheng⁵, Yunshan Cheng^{6 7}, Xiangyi Cui³, Yingjie Fan⁸, Deqing Fang⁹, Changbo Fu⁹, Mengting Fu¹⁰, Lisheng Geng^{11 12}, Karl Giboni¹, Linhui Gu¹, Xuyuan Guo⁴, Ke Han¹, Changda He¹, Jinrong He⁴, Di Huang¹, Yanlin Huang¹³, Zhou Huang¹, Ruquan Hou², Xiangdong Ji¹⁴, Yonglin Ju¹⁵, Chenxiang Li¹, Mingchuan Li⁴, Shu Li¹⁵, Shuaijie Li³, Qing Lin^{16 17}, Jianglai Liu^{1 2 3}, Xiaoying Lu^{6 7}, Lingyin Luo¹⁰, Wenbo Ma¹, Yugang Ma⁹, Yajun Mao¹⁰, Nasir Shaheed^{6 7}, Xuyang Ning¹, Ningchun Qi⁴, Zhicheng Qian¹, Xiangxiang Ren^{6 7}, Changsong Shang⁴, Guofang Shen¹¹, Lin Si¹, Wenliang Sun⁴, Andi Tan¹⁴, Anqing Wang^{6 7}, Meng Wang^{6 7}, Qiuhong Wang⁹, Shaobo Wang^{1 18}, Siguang Wang¹⁰, Wei Wang⁵, Xiuli Wang¹⁵, Mengmeng Wu⁵, Weihao Wu¹, Jingkai Xia¹, Mengjiao Xiao¹⁴, Xiang Xiao⁵, Pengwei Xie³, Binbin Yan¹, Xiyu Yan¹³, Jijun Yang¹, Yong Yang¹, Chunxu Yu⁸, Jumin Yuan^{6 7}, Ying Yuan¹, Dan Zhang¹⁴, Minzhen Zhang¹, Peng Zhang⁴, Tao Zhang¹, Li Zhao¹, Qibin Zheng¹³, Jifang Zhou⁴, Ning Zhou¹, Xiaopeng Zhou¹¹, Yong Zhou⁴; PandaX-4T Collaboration

Affiliations

¹ School of Physics and Astronomy, Shanghai Jiao Tong University, MOE Key Laboratory for Particle Astrophysics and Cosmology, Shanghai Key Laboratory for Particle Physics and Cosmology, Shanghai 200240, China.
² Shanghai Jiao Tong University Sichuan Research Institute, Chengdu 610213, China.
³ Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, 200240, China.
⁴ Yalong River Hydropower Development Company, Limited, 288 Shuanglin Road, Chengdu 610051, China.
⁵ School of Physics, Sun Yat-Sen University, Guangzhou 510275, China.
⁶ Research Center for Particle Science and Technology, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, Shandong, China.
⁷ Key Laboratory of Particle Physics and Particle Irradiation of Ministry of Education, Shandong University, Qingdao 266237, Shandong, China.
⁸ School of Physics, Nankai University, Tianjin 300071, China.
⁹ Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China.
¹⁰ School of Physics, Peking University, Beijing 100871, China.
¹¹ School of Physics, Beihang University, Beijing 100191, China.
¹² International Research Center for Nuclei and Particles in the Cosmos and Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beihang University, Beijing 100191, China.
¹³ School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
¹⁴ Department of Physics, University of Maryland, College Park, Maryland 20742, USA.
¹⁵ School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
¹⁶ State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China.
¹⁷ Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China.
¹⁸ SJTU Paris Elite Institute of Technology, Shanghai Jiao Tong University, Shanghai 200240, China.

PMID:35029500
DOI: 10.1103/PhysRevLett.127.261802

Dark Matter Search Results from the PandaX-4T Commissioning Run

Yue Meng et al. Phys Rev Lett.2021.

.2021 Dec 24;127(26):261802.

doi: 10.1103/PhysRevLett.127.261802.

Authors

Affiliations

¹ School of Physics and Astronomy, Shanghai Jiao Tong University, MOE Key Laboratory for Particle Astrophysics and Cosmology, Shanghai Key Laboratory for Particle Physics and Cosmology, Shanghai 200240, China.
² Shanghai Jiao Tong University Sichuan Research Institute, Chengdu 610213, China.
³ Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, 200240, China.
⁴ Yalong River Hydropower Development Company, Limited, 288 Shuanglin Road, Chengdu 610051, China.
⁵ School of Physics, Sun Yat-Sen University, Guangzhou 510275, China.
⁶ Research Center for Particle Science and Technology, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, Shandong, China.
⁷ Key Laboratory of Particle Physics and Particle Irradiation of Ministry of Education, Shandong University, Qingdao 266237, Shandong, China.
⁸ School of Physics, Nankai University, Tianjin 300071, China.
⁹ Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University, Shanghai 200433, China.
¹⁰ School of Physics, Peking University, Beijing 100871, China.
¹¹ School of Physics, Beihang University, Beijing 100191, China.
¹² International Research Center for Nuclei and Particles in the Cosmos and Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beihang University, Beijing 100191, China.
¹³ School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
¹⁴ Department of Physics, University of Maryland, College Park, Maryland 20742, USA.
¹⁵ School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
¹⁶ State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China.
¹⁷ Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China.
¹⁸ SJTU Paris Elite Institute of Technology, Shanghai Jiao Tong University, Shanghai 200240, China.

PMID:35029500
DOI: 10.1103/PhysRevLett.127.261802

Abstract

We report the first dark matter search results using the commissioning data from PandaX-4T. Using a time projection chamber with 3.7 tonne of liquid xenon target and an exposure of 0.63 tonne·year, 1058 candidate events are identified within an approximate nuclear recoil energy window between 5 and 100 keV. No significant excess over background is observed. Our data set a stringent limit to the dark matter-nucleon spin-independent interactions, with a lowest excluded cross section (90% C.L.) of 3.8×10^{-47} cm^{2} at a dark matter mass of 40 GeV/c^{2}.

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Dark Matter Search Results from the PandaX-4T Commissioning Run

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Dark Matter Search Results from the PandaX-4T Commissioning Run

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