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Waveform simulation in PandaX-4T

Abstract Signal reconstruction through software processing is a crucial component of the background and signal models in the PandaX-4T experiment, which is a multi-tonne dark matter direct search experiment. The accuracy of signal reconstruction is influenced by various detector artifacts, including...

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Published in:Chinese physics C 2024-07, Vol.48 (7), p.73001
Main Authors: Li 李, Jiafu 家富, Abdukerim 阿卜, Abdusalam 杜萨拉姆, Bo 薄, Zihao 子豪, Chen 陈, Wei 葳, Chen 谌, Xun 勋, Cheng 程, Chen 晨, Cheng 成, Zhaokan 赵侃, Cui 崔, Xiangyi 祥仪, Fan 樊, Yingjie 英杰, Fang 方, Deqing 德清, Geng 耿, Lisheng 立升, Giboni, Karl, Guo 郭, Xuyuan 绪元, Han 韩, Chencheng 晨成, Han 韩, Ke 柯, He 何, Changda 昶达, He 何, Jinrong 金荣, Huang 黄, Di 迪, Huang 黄, Junting 俊挺, Huang 黄, Zhou 周, Hou 侯, Ruquan 汝全, Hou 侯, Yu 钰, Ji 季, Xiangdong 向东, Ju 巨, Yonglin 永林, Li 李, Chenxiang 晨翔, Li 李, Mingchuan 名川, Li 李, Shuaijie 帅杰, Li 李, Tao 涛, Lin 林, Qing 箐, Liu 刘, Jianglai 江来, Lu 陆, Congcong 聪聪, Lu 芦, Xiaoying 晓盈, Luo 罗, Lingyin 棱尹, Luo 罗, Yunyang 云阳, Ma 马, Wenbo 文博, Ma 马, Yugang 余刚, Mao 冒, Yajun 亚军, Meng 孟, Yue 月, Ning 宁, Xuyang 旭阳, Pang 庞, Binyu 彬宇, Qi 祁, Ningchun 宁春, Qian 钱, Zhicheng 志成, Ren 任, Xiangxiang 祥祥, Shaheed, Nasir, Shang 尚, Xiaofeng 晓凤, Shao 邵, Xiyuan 熙元, Shen 申, Guofang 国防, Si 司, Lin 琳, Sun 孙, Wenliang 文良, Tan 谈, Andi 安迪, Tao 陶, Yi 奕, Wang 王, Anqing 安庆, Wang 王, Meng 萌, Wang 王, Qiuhong 秋红, Wang 王, Shaobo 少博, Wang 王, Siguang 思广, Wang 王, Wei 为, Wang 王, Xiuli 秀丽, Wang 王, Xu 旭, Wang 王, Zhou 舟, Wei 魏, Yuehuan 月环, Wu 武, Mengmeng 蒙蒙, Wu 邬, Weihao 维浩, Wu 吴, Yuan 渊, Xiao 肖, Mengjiao 梦姣, Xiao 肖, Xiang 翔, Yan 燕, Binbin 斌斌, Yan 阎, Xiyu 玺宇, Yang 杨, Yong 勇, Yu 喻, Chunxu 纯旭, Yuan 袁, Ying 影, Yuan 苑, Zhe 哲, Yun 运, Youhui 有辉, Zeng 曾, Xinning 鑫宁, Zhang 张, Minzhen 敏桢, Zhang 张, Peng 鹏, Zhang 张, Shibo 世博, Zhang 张, Shu 澍, Zhang 张, Tao 涛, Zhang 张, Wei 威, Zhang 张, Yang 洋, Zhang 张, Yingxin 瀛心, Zhang 张, Yuanyuan 园园, Zhao 赵, Li 力, Zhou 周, Jifang 济芳, Zhou 周, Ning 宁, Zhou 周, Xiaopeng 小朋, Zhou 周, Yong 永, Zhou 周, Yubo 钰博, Zhou 周, Zhizhen 知震
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Language:English
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Summary:Abstract Signal reconstruction through software processing is a crucial component of the background and signal models in the PandaX-4T experiment, which is a multi-tonne dark matter direct search experiment. The accuracy of signal reconstruction is influenced by various detector artifacts, including noise, dark count of photomultiplier, photoionization of impurities in the detector, and other relevant considerations. In this study, we presented a detailed description of a semi-data-driven approach designed to simulate a signal waveform. This work provides a reliable model for the efficiency and bias of the signal reconstruction in the data analysis of PandaX-4T. By comparing critical variables that relate to the temporal shape and hit pattern of the signals, we found good agreement between the simulation and data.
ISSN:1674-1137
2058-6132
DOI:10.1088/1674-1137/ad380f