PandaX-4T 实验的暗物质直接探测灵敏度
仪器与探测器
2019-03-18 v2
摘要
PandaX-4T 实验是一个四吨级暗物质直接探测实验，计划在中国锦屏地下实验室进行。在本文中，我们对该实验的预期本底进行了模拟研究。在 2.8 吨靶质量以及 1 至 10 keV 电子等效能量的信号区内，发现总电子反冲本底为 4.9x10^{-5} /(kg day keV)。同一区域内的核反冲本底为 2.8x10^{-7}/(kg day keV)。在 5.6 ton-years 的曝光量下，PandaX-4T 的灵敏度在暗物质质量为 40 GeV/c^{2} 时，可达到 6x10^{-48} cm^{2} 的最小自旋无关暗物质-核子散射截面。
引用
@article{arxiv.1806.02229,
title = {Dark matter direct search sensitivity of the PandaX-4T experiment},
author = {Hongguang Zhang and Abdusalam Abdukerim and Xun Chen and Yunhua Chen and Xiangyi Cui and Binbin Dong and Deqing Fang and Changbo Fu and Karl Giboni and Franco Giuliani and Linhui Gu and Xuyuan Guo and Zhifan Guo and Ke Han and Changda He and Shengming He and Di Huang and Xingtao Huang and Zhou Huang and Peng Ji and Xiangdong Ji and Yonglin Ju and Shaoli Li and Yao Li and Heng Lin and Huaxuan Liu and Jianglai Liu and Yugang Ma and Yajun Mao and Kaixiang Ni and Jinhua Ning and Xiangxiang Ren and Fang Shi and Andi Tan and Anqing Wang and Cheng Wang and Hongwei Wang and Meng Wang and Qiuhong Wang and Siguang Wang and Xiuli Wang and Xuming Wang and Zhou Wang and Mengmeng Wu and Shiyong Wu and Jingkai Xia and Mengjiao Xiao and Pengwei Xie and Binbin Yan and Jijun Yang and Yong Yang and Chunxu Yu and Jumin Yuan and Jianfeng Yue and Dan Zhang and Tao Zhang and Li Zhao and Jifang Zhou and Ning Zhou and Xiaopeng Zhou},
journal= {arXiv preprint arXiv:1806.02229},
year = {2019}
}
备注
11 pages, 13 figures