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Determination of responses of liquid xenon to low energy electron and nuclear recoils using a PandaX-Ⅱ detector

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【作者】 燕斌斌阿布都沙拉木·阿布都克力木陈葳谌勋陈云华程晨崔祥仪樊英杰方德清符长波付孟婷耿立升Karl Giboni顾琳慧郭绪元韩柯何昶达黄迪黄沛尧黄焱黄彦霖黄周季向东巨永林李帅杰刘江来雷卓群马文博马余刚冒亚军孟月倪恺翔宁金华宁旭阳任祥祥商长松司琳申国防谈安迪王安庆王宏伟王萌王秋红王思广王为王秀丽王舟武蒙蒙吴世勇邬维浩夏经铠肖梦姣谢鹏伟严锐杨继军杨勇喻纯旭袁鞠敏袁影曾鑫宁张丹张涛赵力郑其斌周济芳周宁周小朋

【Author】 Binbin Yan;Abdusalam Abdukerim;Wei Chen;Xun Chen;Yunhua Chen;Chen Cheng;Xiangyi Cui;Yingjie Fan;Deqing Fang;Changbo Fu;Mengting Fu;Lisheng Geng;Karl Giboni;Linhui Gu;Xuyuan Guo;Ke Han;Changda He;Di Huang;Peiyao Huang;Yan Huang;Yanlin Huang;Zhou Huang;Xiangdong Ji;Yonglin Ju;Shuaijie Li;Jianglai Liu;Zhuoqun Lei;Wenbo Ma;Yugang Ma;Yajun Mao;Yue Meng;Kaixiang Ni;Jinhua Ning;Xuyang Ning;Xiangxiang Ren;Changsong Shang;Lin Si;Guofang Shen;Andi Tan;Anqing Wang;Hongwei Wang;Meng Wang;Qiuhong Wang;Siguang Wang;Wei Wang;Xiuli Wang;Zhou Wang;Mengmeng Wu;Shiyong Wu;Weihao Wu;Jingkai Xia;Mengjiao Xiao;Pengwei Xie;Rui Yan;Jijun Yang;Yong Yang;Chunxu Yu;Jumin Yuan;Ying Yuan;Jianfeng Yue;Xinning Zeng;Dan Zhang;Tao Zhang;Li Zhao;Qibin Zheng;Jifang Zhou;Ning Zhou;Xiaopeng Zhou;School of Physics and Astronomy, Shanghai Jiao Tong University, MOE Key Laboratory for Particle Astrophysics and Cosmology, Shanghai Key Laboratory for Particle Physics and Cosmology;Shanghai Jiao Tong University Sichuan Research Institute;Yalong River Hydropower Development Company, Ltd.;School of Physics, Sun Yat-Sen University;Tsung-Dao Lee Institute;School of Physics, Nankai University;Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan University;School of Physics, Peking University;School of Physics, Beihang University;International Research Center for Nuclei and Particles in the Cosmos & Beijing Key Laboratory of Advanced Nuclear Materials and Physics,Beihang University;School of Mechanical Engineering, Shanghai Jiao Tong University;School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology;Department of Physics, University of Maryland;Shanghai Institute of Applied Physics, Chinese Academy of Sciences;School of Physics and Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong University;Shanghai Advanced Research Institute, Chinese Academy of Sciences;Center for High Energy Physics, Peking University;

【机构】 School of Physics and Astronomy, Shanghai Jiao Tong University, MOE Key Laboratory for Particle Astrophysics and Cosmology, Shanghai Key Laboratory for Particle Physics and CosmologyShanghai Jiao Tong University Sichuan Research InstituteYalong River Hydropower Development Company, Ltd.School of Physics, Sun Yat-Sen UniversityTsung-Dao Lee InstituteSchool of Physics, Nankai UniversityKey Laboratory of Nuclear Physics and Ion-beam Application (MOE), Institute of Modern Physics, Fudan UniversitySchool of Physics, Peking UniversitySchool of Physics, Beihang UniversityInternational Research Center for Nuclei and Particles in the Cosmos & Beijing Key Laboratory of Advanced Nuclear Materials and Physics,Beihang UniversitySchool of Mechanical Engineering, Shanghai Jiao Tong UniversitySchool of Medical Instrument and Food Engineering, University of Shanghai for Science and TechnologyDepartment of Physics, University of MarylandShanghai Institute of Applied Physics, Chinese Academy of SciencesSchool of Physics and Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong UniversityShanghai Advanced Research Institute, Chinese Academy of SciencesCenter for High Energy Physics, Peking University

【摘要】 We present a systematic determination of the responses of PandaX-Ⅱ,a dual phase xenon time projection chamber detector,to low energy recoils.The electron recoil(ER) and nuclear recoil(NR) responses are calibrated,respectively,with injected tritiated methane or 220Rn source,and with 241Am-Be neutron source,in an energy range from 1-25 keV(ER) and 4-80 keV(NR),under the two drift fields,400 and 317 V/cm.An empirical model is used to fit the light yield and charge yield for both types of recoils.The best fit models can describe the calibration data significantly.The systematic uncertainties of the fitted models are obtained via statistical comparison to the data.

【Abstract】 We present a systematic determination of the responses of PandaX-Ⅱ,a dual phase xenon time projection chamber detector,to low energy recoils.The electron recoil(ER) and nuclear recoil(NR) responses are calibrated,respectively,with injected tritiated methane or 220Rn source,and with 241Am-Be neutron source,in an energy range from 1-25 keV(ER) and 4-80 keV(NR),under the two drift fields,400 and 317 V/cm.An empirical model is used to fit the light yield and charge yield for both types of recoils.The best fit models can describe the calibration data significantly.The systematic uncertainties of the fitted models are obtained via statistical comparison to the data.

【基金】 Supported by a grant from the Ministry of Science and Technology of China (2016YFA0400301);National Science Foundation of China (12090060, 11525522,11775141, 11755001);Office of Science and Technology,Shanghai Municipal Government (18JC1410200)
  • 【文献出处】 Chinese Physics C ,中国物理C , 编辑部邮箱 ,2021年07期
  • 【分类号】O571
  • 【下载频次】36
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