Study of tracking efficiency and its systematic uncertainty from J/ psi arrow right pp pi

Based on J/ psi events collected with the BESIII detector, with corresponding Monte Carlo samples, the tracking efficiency and its systematic uncertainty are studied using a control sample of J/ psi arrow right pp pi super(+) pi super(-). Validation methods: and different factors influencing the tra...

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Published inChinese physics C Vol. 40; no. 2; pp. 26201 - 26206
Main Authors Yuan, Wen-Long, Ai, Xiao-Cong, Ji, Xiao-Bin, Chen, Shen-Jian, Zhang, Yao, Wu, Ling-Hui, Wang, Liang-Liang, Yuan, Ye
Format Journal Article
LanguageEnglish
Published 01.02.2016
Subjects
Detectors
Monte Carlo methods
Pions
Tracking
Transverse momentum
Uncertainty
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Summary:Based on J/ psi events collected with the BESIII detector, with corresponding Monte Carlo samples, the tracking efficiency and its systematic uncertainty are studied using a control sample of J/ psi arrow right pp pi super(+) pi super(-). Validation methods: and different factors influencing the tracking efficiency are presented in detail. The tracking efficiency and its systematic uncertainty for protons and pions with the transverse momentum and polar angle dependence are also discussed.
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SourceType-Scholarly Journals-1
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ISSN:1674-1137
DOI:10.1088/1674-1137/40/2/026201