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Monte Carlo study of performance of BES III CsI crystal calorimeter
Alternative TitleBESIII晶体量能器设计中的蒙特卡罗研究
Liu CX(刘春秀); Fu CD(傅成栋); Zhou L(周莉); Zhang QJ(张勤俭); Xia XM(夏小米); Lai YF(赖元芬); Li J(李金); Fang J(方建); Chen Y(陈沅); Cai X(蔡啸); Shang L(尚雷); Wang M(王曼); Lv JG(吕军光); Wang YF(王贻芳); Liu, CX; Fu, CD; Zhou, L; Zhang, QJ; Xia, XM; Lai, YF; Li, J; Fang, J; Chen, Y; Cai, X; Shang, L; Wang, M; Lu, JG; Wang, YF
Corresponding AuthorCAS, Inst High Energy Phys, Beijing 100039, Peoples R China
AbstractIn the process of design and research of BES III crystal calorimeter, we made a detailed Monte Carlo study for the performance of BES III Csl crystal calorimeter on the basis of the detection cell of 7 x 7 CsI matrix. Results are presented on incoherent noise, on energy linearity, on uniformity of the crystal light output, on position dependence. Those results show that the energy resolution of the 5 x 5 matrix sum is about 2.1% for 1 GeV photon and the best energy resolution of the lower energy photon is obtained with the energy threshold of 2.5 sigma(noise). The energy deposit in the matrix decreases by about 1% and the energy resolution degrades by about 0.3% when 800MeV photons are injected in the gap region between two crystals. The average position resolution is about 6.3 mm at 800 MeV.
Keywordcrystal calorimeter energy resolution position resolution energy linearity uniformity of light output
Subject AreaPhysics
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000220835300003
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Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Liu CX,Fu CD,Zhou L,et al. Monte Carlo study of performance of BES III CsI crystal calorimeter[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2004,28(4):335-339.
APA 刘春秀.,傅成栋.,周莉.,张勤俭.,夏小米.,...&Wang, YF.(2004).Monte Carlo study of performance of BES III CsI crystal calorimeter.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,28(4),335-339.
MLA 刘春秀,et al."Monte Carlo study of performance of BES III CsI crystal calorimeter".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 28.4(2004):335-339.
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