{"paper":{"title":"Horizontal Position Reconstruction in PandaX-II","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"Abdusalam Abdukerim, Andi Tan, Anqing Wang, Binbin Yan, Changbo Fu, Changda He, Changsong Shang, Chen Cheng, Chunxu Yu, Dan Zhang, Deqing Fang, Di Huang, Guofang Shen, Hongwei Wang, Huaxuan Liu, Jianglai Liu, Jifang Zhou, Jijun Yang, Jingkai Xia, Jinhua Ning, Jumin Yuan, Kaixiang Ni, Karl Giboni, Ke Han, Linhui Gu, Lin Si, Liqiang Liu, Lisheng Geng, Li Zhao, Mengjiao Xiao, Mengmeng Wu, Mengting Fu, Meng Wang, Nasir Shaheed, Ning Zhou, Parinya Namwongsa, Pengwei Xie, Qibin Zheng, Qing Lin, Qiuhong Wang, Shengming He, Shiyong Wu, Shuaijie Li, Siguang Wang, Tao Zhang, Wei Chen, Weihao Wu, Wei Wang, Wenbo Ma, Xiangdong Ji, Xiangxiang Ren, Xiang Xiao, Xiangyi Cui, Xiaopeng Zhou, Xiaoying Lu, Xinning Zeng, Xiuli Wang, Xun Chen, Xuyang Ning, Xuyuan Guo, Yajun Mao, Yan Huang, Yanlin Huang, Yingjie Fan, Ying Yuan, Yonglin Ju, Yong Yang, Yue Meng, Yugang Ma, Yunhua Chen, Zhou Huang, Zhou Wang","submitted_at":"2021-06-15T19:22:49Z","abstract_excerpt":"Dual-phase noble-gas time projection chambers (TPCs) have improved the sensitivities for dark matter direct search in past decades. The capability of TPCs to reconstruct 3-D vertexes of keV scale recoilings is one of the most advantageous features. In this work, we develop two horizontal position reconstruction algorithms for the PandaX-II dark matter search experiment using the dual-phase liquid xenon TPC. Both algorithms are optimized by the $^{83m}$Kr calibration events and use photon distribution of ionization signals among photomultiplier tubes to infer the positions. According to the eve"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.08380","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2106.08380/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}