典型文献
Reconstruction of a muon bundle in the JUNO central detector
文献摘要：
The Jiangmen Underground Neutrino Observa-tory(JUNO)is a multi-purpose neutrino experiment.One of the main goals is to determine the neutrino mass ordering by precisely measuring the energy spectrum of reactor antineutrinos.For the detection of reactor antineu-trinos,cosmogenic backgrounds,such as 9Li/8He and fast neutrons induced by cosmic muons,should be rejected carefully by applying muon veto cuts,which require good muon track reconstruction.With a 20-kton liquid scintil-lator detector,the simulation shows the proportion of muon bundles(muon multiplicity≥2)to be approximately 8％in JUNO,whereas its reconstruction has been rarely discussed in previous experiments.This study proposes an efficient algorithm for muon track reconstruction based on the charge response of a photomultiplier tube array.This is the first reconstruction of muon bundles in a large-volume liquid scintillator detector.In addition,the algorithm shows good performance and potential for reconstruction for both a single muon and double muons(muon multiplicity=2).The spatial resolution of a single-muon reconstruction was 20 cm,and the angular resolution was 0.5°.For double-muon reconstruction,the spatial and angular resolutions could be 30 cm and 1.0°,respectively.Moreover,this paper also discusses muon classification and the veto strategy.
文献关键词：
中图分类号：
作者姓名：
Cheng-Feng Yang;Yong-Bo Huang;Ji-Lei Xu;Di-Ru Wu;Yong-Peng Zhang;Wu-Ming Luo;Miao He;Guo-Ming Chen;Si-Yuan Zhang
作者机构：
School of Physical Science and Technology,Guangxi University,Nanning 530004,China;Institute of High Energy Physics,Beijing 100049,China;University of Chinese Academy of Sciences,Beijing 100049,China
文献出处：
引用格式：
[1]Cheng-Feng Yang;Yong-Bo Huang;Ji-Lei Xu;Di-Ru Wu;Yong-Peng Zhang;Wu-Ming Luo;Miao He;Guo-Ming Chen;Si-Yuan Zhang-.Reconstruction of a muon bundle in the JUNO central detector)[J].核技术（英文版）,2022(05):78-90
A类：
Jiangmen,Neutrino,Observa,antineutrinos,antineu,trinos,8He,muons,kton,scintil
B类：
Reconstruction,JUNO,central,detector,Underground,tory,purpose,One,main,goals,determine,mass,ordering,by,precisely,measuring,energy,spectrum,reactor,For,detection,cosmogenic,backgrounds,such,9Li,fast,neutrons,induced,cosmic,should,rejected,carefully,applying,veto,cuts,which,require,good,track,reconstruction,With,liquid,simulation,shows,proportion,bundles,multiplicity,approximately,whereas,its,has,been,rarely,discussed,previous,experiments,This,study,proposes,efficient,algorithm,charge,response,photomultiplier,tube,array,first,large,volume,scintillator,In,addition,performance,potential,both,single,double,spatial,was,angular,resolutions,could,respectively,Moreover,this,paper,also,discusses,classification,strategy
AB值：
0.46143
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