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典型文献
Identification of anomalous fast bulk events in a p-type point-contact germanium detector
文献摘要:
The ultralow detection threshold,ultralow intrinsic background,and excellent energy resolution of p-type point-contact germanium detectors are important for rare-event searches,in particular for the detection of direct dark matter interactions,coherent elastic neutrino-nucleus scattering,and neutrinoless double beta decay.Anomalous bulk events with an extremely fast rise time are observed in the CDEX-1B detector.We report a method of extracting fast bulk events from bulk events using a pulse shape simulation and reconstructed source experiment signature.Calibration data and the distribution of X-rays generated by intrinsic radioactivity verified that the fast bulk experi-enced a single hit near the passivation layer.The perfor-mance of this germanium detector indicates that it is capable of single-hit bulk spatial resolution and thus pro-vides a background removal technique.
文献关键词:
作者姓名:
Ren-Ming-Jie Li;Shu-Kui Liu;Shin-Ted Lin;Li-Tao Yang;Qian Yue;Chang-Hao Fang;Hai-Tao Jia;Xi Jiang;Qian-Yun Li;Yu Liu;Yu-Lu Yan;Kang-Kang Zhao;Lei Zhang;Chang-Jian Tang;Hao-Yang Xing;Jing-Jun Zhu
作者机构:
College of Physics,Sichuan University,Chengdu 610065,China;Key Laboratory of Particle and Radiation Imaging(Ministry of Education)and Department of Engineering Physics,Tsinghua University,Beijing 100084,China
引用格式:
[1]Ren-Ming-Jie Li;Shu-Kui Liu;Shin-Ted Lin;Li-Tao Yang;Qian Yue;Chang-Hao Fang;Hai-Tao Jia;Xi Jiang;Qian-Yun Li;Yu Liu;Yu-Lu Yan;Kang-Kang Zhao;Lei Zhang;Chang-Jian Tang;Hao-Yang Xing;Jing-Jun Zhu-.Identification of anomalous fast bulk events in a p-type point-contact germanium detector)[J].核技术(英文版),2022(05):53-67
A类:
neutrinoless
B类:
Identification,anomalous,fast,bulk,events,type,point,contact,germanium,ultralow,detection,threshold,intrinsic,background,excellent,energy,resolution,detectors,important,rare,searches,particular,direct,dark,matter,interactions,coherent,elastic,nucleus,scattering,double,beta,decay,Anomalous,extremely,rise,observed,CDEX,1B,We,report,method,extracting,from,using,pulse,shape,simulation,reconstructed,source,experiment,signature,Calibration,data,distribution,rays,generated,by,radioactivity,verified,that,enced,single,hit,near,passivation,layer,perfor,mance,this,indicates,capable,spatial,thus,pro,vides,removal,technique
AB值:
0.624828
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