Science China: Physics, Mechanics and Astronomy

, volume 68 , issue 2 , publication number 221011

PandaX-xT—A deep underground multi-ten-tonne liquid xenon observatory

Abdusalam Abdukerim ¹

Zihao Bo ¹

Wei Chen ¹

Chen Xun ^{2, 3}

Cheng chen ⁴

Zhaokan Cheng ⁵

Xiangyi Cui ²

Yingjie Fan ⁶

Deqing Fang ⁷

Lisheng Geng ^{8, 9, 10, 11}

Karl Giboni ¹

Linhui Gu ¹

Xunan Guo ⁸

Xuyuan Guo ¹²

Zhichao Guo ⁸

Chencheng Han ²

Ke Han ¹

Changda He ¹

JINRONG HE ¹⁰

Huang Di ¹

Junting Huang ¹

Huang Zhou ¹

Ruquan Hou ³

Yu Hou ¹³

Xiangdong Ji ¹⁴

Yonglin Ju ¹³

Chenxiang Li ¹

Jiafu Li ⁴

MINGCHUAN LI ¹²

Shuaijie Li ^{2, 12}

Tao Li ⁵

Qing Lin ^{15, 16}

Jianglai Liu ^{1, 2, 3}

Congcong Lu ¹³

Lu Xiaoying ^{17, 18}

Lingyin Luo ¹⁹

Yunyang Luo ¹⁶

Wenbo Ma ¹

Yugang Ma ⁷

Mao Yajun ¹⁹

Yue Meng ^{1, 3}

Xuyang Ning ¹

Binyu Pang ^{17, 18}

Ningchun Qi ¹²

Zhicheng Qian ¹

Xiangxiang Ren ^{17, 18}

Nasir Shaheed ^{17, 18}

Xiaofeng Shang ¹

Xiyuan Shao ²⁰

Guofang Shen ⁸

Lin Si ¹

Wenliang Sun ¹²

Yi Tao ^{1, 3}

Anqing Wang ^{17, 18}

Meng Wang ^{17, 18}

Qiuhong Wang ⁷

Shaobo Wang ^{1, 21}

Siguang Wang ¹⁹

Wei WANG ^{4, 5}

Xiuli Wang ¹³

Xu Wang ¹

Wang Zhou ^{1, 2, 3}

Yuehuan Wei ⁵

Mengmeng Wu ⁴

Weihao Wu ¹

Yuan Wu ¹

Mengjiao Xiao ¹

Xiang Xiao ⁴

Binbin Yan ²

Xiyu Yan ²²

Yong Yang ¹

Chunxu Yu ²⁰

Yuan Ying ¹

Zhe Yuan ⁷

Youhui Yun ¹

Xinning Zeng ¹

Minzhen Zhang ¹

Peng Zhang ¹²

Shibo Zhang ¹

Shu Zhang ⁴

Tao Zhang ^{1, 3}

Wei Zhang ²

Yang Zhang ^{17, 18}

Yingxin Zhang ^{17, 18}

Yuanyuan Zhang ²

Li Zhao ^{1, 3}

Jifang Zhou ¹²

Zhou Ning ^{1, 3}

Xiaopeng Zhou ⁸

Yong Zhou ¹⁰

Yubo Zhou ¹

Zhizhen Zhou ¹

Hide authors affiliations Show authors affiliations: 22 affiliations

School of Physics and Astronomy, Shanghai Jiao Tong University, Key Laboratory for Particle Astrophysics and Cosmology (MoE), Shanghai Key Laboratory for Particle Physics and Cosmology, Shanghai, China |

New Cornerstone Science Laboratory, Tsung-Dao Lee Institute, Shanghai Jiao Tong University, Shanghai, China |

Shanghai Jiao Tong University Sichuan Research Institute, Chengdu, China |

⁴

School of Physics, Sun Yat-sen University, Guangzhou, China |

⁵

Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-sen University, Zhuhai, China |

⁶

Department of Physics, Yantai University, Yantai, China |

⁷

Key Laboratory of Nuclear Physics and Ion-beam Application (MoE), Institute of Modern Physics, Fudan University, Shanghai, China |

⁸

School of physics, Beihang University, Beijing, China |

⁹

Peng Huanwu Collaborative Center for Research and Education, Beihang University, Beijing, China |

¹⁰

Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beihang University, Beijing, China |

¹¹

Southern Center for Nuclear-Science Theory (SCNT), Institute of Modern Physics, Chinesen Academy of Sciences, Huizhou, China |

¹²

Yalong River Hydropower Development Company, LTD., Chengdu, China |

¹³

School of Mechanical Engineering, Shanghai Jiao tong University, Shanghai, China |

¹⁴

Department of Physics, University of Maryland, College Park, USA |

¹⁵

State key laboratory of particle detection and electronics, University of science and technology of china, Hefei, China |

¹⁶

Department of modern physics, University of Science and Technology of China, Hefei, China |

¹⁷

Research Center for Particle Science and Technology, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, China |

¹⁸

Key Laboratory of Particle Physics and Particle Irradiation of Ministry of Education, Shandong University, Qingdao, China |

¹⁹

State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing, China |

²⁰

School of Physics, NanKai University, Tianjin, China |

²¹

SJTU Paris Elite Institute of Technology, Shanghai Jiao Tong University, Shanghai, China |

²²

School of Physics and Astronomy, Sun Yat-Sen University, Zhuhai, China |

Publication type: Journal Article

Publication date: 2024-11-22

Springer Nature

Science China: Physics, Mechanics and Astronomy

scimago Q1

wos Q1

SJR: 1.280

CiteScore: 10.4

Impact factor: 7.5

ISSN: 16747348, 18691927

DOI: 10.1007/s11433-024-2539-y

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Abstract

We propose a major upgrade to the existing PandaX-4T experiment at the China Jinping Underground Laboratory. The new experiment, PandaX-xT, will be a multi-ten-tonne liquid xenon, ultra-low background, and general-purpose observatory. The full-scaled PandaX-xT contains a 43-t liquid xenon active target. Such an experiment will significantly advance our fundamental understanding of particle physics and astrophysics. The sensitivity of dark matter direct detection will be improved by nearly two orders of magnitude compared to the current best limits, approaching the so-called “neutrino floor” for a dark matter mass above 10 GeV/c2, providing a key test to the Weakly Interacting Massive Particle paradigm. By searching for the neutrinoless double beta decay of 136Xe isotope in the detector, the effective Majorana neutrino mass can be measured to a 10–41 meV/c2 sensitivity, providing a key test to the Dirac/Majorana nature of neutrinos. Astrophysical neutrinos and other ultra-rare interactions can also be measured and searched for with an unprecedented background level, opening up new windows of discovery. Depending on the findings, PandaX-xT will seek the next stage upgrade utilizing isotopic separation of natural xenon.

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Abdukerim A. et al. PandaX-xT—A deep underground multi-ten-tonne liquid xenon observatory // Science China: Physics, Mechanics and Astronomy. 2024. Vol. 68. No. 2. 221011

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Abdukerim A. et al. PandaX-xT—A deep underground multi-ten-tonne liquid xenon observatory // Science China: Physics, Mechanics and Astronomy. 2024. Vol. 68. No. 2. 221011

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@article{2024_Abdukerim,

author = {Abdusalam Abdukerim and Zihao Bo and Wei Chen and Chen Xun and Cheng chen and Zhaokan Cheng and Xiangyi Cui and Yingjie Fan and Deqing Fang and Lisheng Geng and Karl Giboni and Linhui Gu and Xunan Guo and Xuyuan Guo and Zhichao Guo and Chencheng Han and Ke Han and Changda He and JINRONG HE and Huang Di and Junting Huang and Huang Zhou and Ruquan Hou and Yu Hou and Xiangdong Ji and Yonglin Ju and Chenxiang Li and Jiafu Li and MINGCHUAN LI and Shuaijie Li and Tao Li and Qing Lin and Jianglai Liu and Congcong Lu and Lu Xiaoying and Lingyin Luo and Yunyang Luo and Wenbo Ma and Yugang Ma and Mao Yajun and Yue Meng and Xuyang Ning and Binyu Pang and Ningchun Qi and Zhicheng Qian and Xiangxiang Ren and Nasir Shaheed and Xiaofeng Shang and Xiyuan Shao and Guofang Shen and others},

title = {PandaX-xT—A deep underground multi-ten-tonne liquid xenon observatory},

journal = {Science China: Physics, Mechanics and Astronomy},

year = {2024},

volume = {68},

publisher = {Springer Nature},

month = {nov},

url = {https://link.springer.com/10.1007/s11433-024-2539-y},

number = {2},

pages = {221011},

doi = {10.1007/s11433-024-2539-y}

}

Publisher

Springer Nature

Journal

Science China: Physics, Mechanics and Astronomy

scimago Q1

wos Q1

SJR

1.280

CiteScore

10.4

Impact factor

7.5

ISSN

16747348 (Print)

18691927 (Electronic)