The C_(6)D_(6)detector system on the Back-n beam line of CSNS

查看全文 作　　者：Jie [1]Ren;Xichao [1]Ruan;Jie [1]Bao;Guangyuan [1]Luan;Wei [2,3]Jiang;Qi [4,5]An;Huaiyong [6]Bai;Ping [4,5]Cao;Qiping [7]Chen;Yonghao [2,3]Chen;Pinjing [8]Cheng;Zengqi [6]Cui;Ruirui [2,3,4]Fan;Changqing [4,5]Feng;Minhao [2,4]Gu;Fengqin [2,3]Guo;Changcai [9]Han;Zijie [7]Han;Guozhu [1]He;Yongcheng [2,3]He;Yuefeng [8]He;Hanxiong [1]Huang;Weiling [2,3]Huang;Xiru [4,5]Huang;Xiaolu [2,4]Ji;Xuyang [4,10]Ji;Haoyu [3]Jiang;Hantao [2,3]Jing;Ling [2,3]Kang;Mingtao [2,3]Kang;Bo [2,3]Li;Lun [2,3]Li;Qiang [2,3]Li;Xiao [2,3]Li;Yang [2,4]Li;Yang [2,4]Li;Rong [7]Liu;Shubin [4,5]Liu;Xingyan [7]Liu;Yinglin [2,3]Ma;Changjun [2,3]Ning;Binbin [4]Qi;Zhaohui [9]Song;Hong [2,3]Sun;Xiaoyang [2,3]Sun;Zhijia [2,3,4]Sun;Zhixin [2,3]Tan;Hongqing [1]Tang;Jingyu [2,3]Tang;Pengcheng [2,3]Wang;Qi [1]Wang;Taofeng [12]Wang;Yanfeng [2,3]Wang;Zhaohui [1]Wang;Zheng [2,3]Wang;Jie [7]Wen;Zhongwei [7]Wen;Qingbiao [2,3]Wu;Xiaoguang [1]Wu;Xuan [2,3]Wu;Likun [4,10]Xie;Yiwei [7]Yang;Han [2,3]Yi;Li [4,5]Yu;Tao [4,5]Yu;Yongji [2,3]Yu;Guohui [6]Zhang;Jing [2,3]Zhang;Linhao [2,3]Zhang;Liying [2,3,4]Zhang;Qingmin [11]Zhang;Qiwei [1]Zhang;Xianpeng [9]Zhang;Yuliang [2,3]Zhang;Zhiyong [4,5]Zhang;Yingtan [11]Zhao;Liang [2,3]Zhou;Zuying [1]Zhou;Danyang [5]Zhu;Kejun [2,4]Zhu;Peng [2,3]Zhu

机构地区：[1]Key Laboratory of Nuclear Data,China Institute of Atomic Energy,Beijing 102413,China;[2]Institute of High Energy Physics,Chinese Academy of Sciences(CAS),Beijing 100049,China;[3]Dongguan Neutron Science Center,Dongguan 523803,China;[4]State Key Laboratory of Particle Detection and Electronics,Hefei,China;[5]Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China;[6]State Key Laboratory of Nuclear Physics and Technology,School of Physics,Peking University,Beijing 100871,China;[7]Institute of Nuclear Physics and Chemistry,China Academy of Engineering Physics,Mianyang 621900,China;[8]University of South China,Hengyang 421001,China;[9]Northwest Institute of Nuclear Technology,Xi’an 710024,China;[10]Department of Engineering and Applied Physics,University of Science and Technology of China,Hefei 230026,China;[11]Xi’an Jiaotong University,Xi’an 710049,China;[12]Beihang University,Beijing 100083,China

出　　处：《Radiation Detection Technology and Methods》索引2019年第3卷第3期,共9页

基　　金：the National Natural Science Foundation of China(Grant Nos.11790321 and 11805282);the National Key R&D Program of China(Grant No.2016YFA0401601). 摘　　要：Introduction The neutron capture cross sections are very important in the field of nuclear device design and basic physics research.Hydrogen-free liquid scintillator such as C_(6)D_(6)detectors are widely used in the neutron capture cross-sectional measurements for the low neutron sensitivity and fast time response.The Back-n white neutron source at China Spallation Neutron Source is the first spallation white neutron source in China,and it is suitable for neutron capture cross-sectional measurement.Materials and methods A C_(6)D_(6)detector system was built in the Back-n experimental station.The pulse height weighting technique was used to determine the system’s detection efficiency.The response to gamma rays of the C_(6)D_(6)detector was measured,and the energy resolution function was determined.Monte Carlo simulation with Geant4 code was carried out to get the weighting function of this C_(6)D_(6)detector system.Additionally,the systematic uncertainty of the weighting function was also determined.Conclusion According to the experimental and simulation results,this C_(6)D_(6)detector system can be used to measure neutron capture cross section. 关键词：C6D6 detector PHWT Neutron capture cross section White neutron source

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The C_(6)D_(6)detector system on the Back-n beam line of CSNS

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