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Monte Carlo study of particle identification at the CEPC using TPC dE/dx information
An FF(安芬芬); An, F; Prell, S; Chen, C; Cochran, J; Lou, X; Ruan, M; Lou XC(娄辛丑); Ruan MQ(阮曼奇)
2018
Source PublicationEUROPEAN PHYSICAL JOURNAL C
ISSN1434-6044
EISSN1434-6052
Volume78Issue:6Pages:464
SubtypeArticle
AbstractThe kaon identification is crucial for the flavor physics, and also benefits the flavor and charge reconstruction of the jets. We explore the particle identification capability for tracks with momenta ranging from 2- 20 GeV/c using the dE/dx measurements in the Time Projection Chamber at the future Circular Electron-Positron Collider. Based on Monte Carlo simulation, we anticipate that an average 3.2 sigma (2.6 sigma) K/pi separation can be achieved based on dE/dx information for an optimistic (conservative) extrapolation of the simulated performance to the final system. Time-of-flight (TOF) information from the Electromagnetic Calorimeter can provide K/pi separation around 1 GeV/c and reduce the K/p mis-identification rate. By combining the dE/dx and TOF information, we estimate that in the optimistic scenario a kaon selection in inclusive hadronic Z decays with both the average efficiency and purity approaching 95% can be achieved.
DOI10.1140/epjc/s10052-018-5803-3
WOS KeywordTIME PROJECTION CHAMBER ; PERFORMANCE ; DETECTOR
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Particles & Fields
WOS IDWOS:000434724500001
ADS Bibcode2018EPJC...78..464A
AXRIV CODE1803
inspireid1662480
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/286000
Collection实验物理中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
An FF,An, F,Prell, S,et al. Monte Carlo study of particle identification at the CEPC using TPC dE/dx information[J]. EUROPEAN PHYSICAL JOURNAL C,2018,78(6):464.
APA 安芬芬.,An, F.,Prell, S.,Chen, C.,Cochran, J.,...&阮曼奇.(2018).Monte Carlo study of particle identification at the CEPC using TPC dE/dx information.EUROPEAN PHYSICAL JOURNAL C,78(6),464.
MLA 安芬芬,et al."Monte Carlo study of particle identification at the CEPC using TPC dE/dx information".EUROPEAN PHYSICAL JOURNAL C 78.6(2018):464.
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