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Research on identification of mu, pi with BES III mu identifier
You, ZY; Mao, YJ; Zhang JW(张家文); Zhang, JW
2004
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
卷号28期号:9页码:977-981
通讯作者Peking Univ, Dept Tech Phys, Sch Phys, Beijing 100871, Peoples R China ; CAS, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要The final states created by e(+)e(-) annihilation at tau-charm energy region are simulated with PYTHIA5.7, and the resultant inclusive muon production cross sections and momentum distributions are obtained. The muon identifier of BES M detector is fully simulated with Geant3.21. For the simulated events containing muons and pions with momentum greater than 0.5GeV/c, the BP neural network and Fisher discriminant method are used for muon/pion identification. BP neural network performs better than Fisher discriminant method. With the same muon efficiency of 96%, the misidentification of pion by BP neural network is 9.4%, in comparison with that of 17.1% by Fisher method.
关键词BES III PYTHIA Geant3 particle identification neural network
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000223834000014
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238828
专题实验物理中心
作者单位中国科学院高能物理研究所
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GB/T 7714
You, ZY,Mao, YJ,Zhang JW,et al. Research on identification of mu, pi with BES III mu identifier[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2004,28(9):977-981.
APA You, ZY,Mao, YJ,张家文,&Zhang, JW.(2004).Research on identification of mu, pi with BES III mu identifier.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,28(9),977-981.
MLA You, ZY,et al."Research on identification of mu, pi with BES III mu identifier".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 28.9(2004):977-981.
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