PandaX-II 中的水平位置重建
仪器与探测器
2021-12-15 v4 高能物理 - 实验
摘要
双相惰性气体时间投影室（TPCs）在过去几十年中提高了暗物质直接搜寻的灵敏度。TPC 重建 keV 尺度反冲的 3 维顶点的能力是最具优势的特征之一。在这项工作中，我们为使用双相液氙 TPC 的 PandaX-II 暗物质搜寻实验开发了两种水平位置重建算法。两种算法均通过 Kr 刻度事件进行优化，并利用电离信号在光电倍增管间的光子分布来推断位置。根据来自栅极的事件，对于 TPC 中心处具有数千光电子的电离信号，水平位置的不确定度在分析（基于模拟）算法中为 3.4 mm（3.9 mm）。
引用
@article{arxiv.2106.08380,
title = {Horizontal Position Reconstruction in PandaX-II},
author = {Dan Zhang and Andi Tan and Abdusalam Abdukerim and Wei Chen and Xun Chen and Yunhua Chen and Chen Cheng and Xiangyi Cui and Yingjie Fan and Deqing Fang and Changbo Fu and Mengting Fu and Lisheng Geng and Karl Giboni and Linhui Gu and Xuyuan Guo and Ke Han and Changda He and Shengming He and Di Huang and Yan Huang and Yanlin Huang and Zhou Huang and Xiangdong Ji and Yonglin Ju and Shuaijie Li and Qing Lin and Huaxuan Liu and Jianglai Liu and Liqiang Liu and Xiaoying Lu and Wenbo Ma and Yugang Ma and Yajun Mao and Yue Meng and Parinya Namwongsa and Kaixiang Ni and Jinhua Ning and Xuyang Ning and Xiangxiang Ren and Nasir Shaheed and Changsong Shang and Guofang Shen and Lin Si and Anqing Wang and Hongwei Wang and Meng Wang and Qiuhong Wang and Siguang Wang and Wei Wang and Xiuli Wang and Zhou Wang and Mengmeng Wu and Shiyong Wu and Weihao Wu and Jingkai Xia and Mengjiao Xiao and Pengwei Xie and Xiang Xiao and Binbin Yan and Jijun Yang and Yong Yang and Chunxu Yu and Jumin Yuan and Ying Yuan and Xinning Zeng and Tao Zhang and Li Zhao and Qibin Zheng and Jifang Zhou and Ning Zhou and Xiaopeng Zhou},
journal= {arXiv preprint arXiv:2106.08380},
year = {2021}
}
备注
18 pages, 11 figures