Particle-flow reconstruction and global event description with the CMS detector

doi:10.1088/1748-0221/12/10/P10003

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	Particle-flow reconstruction and global event description with the CMS detector
	CMS Collaboration
刊名	JOURNAL OF INSTRUMENTATION
	2017
卷号	12 页码:10003
关键词	Large detector systems for particle and astroparticle physics Particle identification methods
ISSN号	1748-0221
DOI	10.1088/1748-0221/12/10/P10003
文献子类	Article
英文摘要	The CMS apparatus was identified, a few years before the start of the LHC operation at CERN, to feature properties well suited to particle-flow (PF) reconstruction: a highly-segmented tracker, a fine-grained electromagnetic calorimeter, a hermetic hadron calorimeter, a strong magnetic field, and an excellent muon spectrometer. A fully-fledged PF reconstruction algorithm tuned to the CMS detector was therefore developed and has been consistently used in physics analyses for the first time at a hadron collider. For each collision, the comprehensive list of final-state particles identified and reconstructed by the algorithm provides a global event description that leads to unprecedented CMS performance for jet and hadronic tau decay reconstruction, missing transverse momentum determination, and electron and muon identification. This approach also allows particles from pileup interactions to be identified and enables efficient pileup mitigation methods. The data collected by CMS at a centre-of-mass energy of 8 TeV show excellent agreement with the simulation and confirm the superior PF performance at least up to an average of 20 pileup interactions.
WOS关键词	PERFORMANCE ; TEV
WOS研究方向	Instruments & Instrumentation
语种	英语
WOS记录号	WOS:000414167100003
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/284588]
专题	高能物理研究所_粒子天体物理中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	CMS Collaboration. Particle-flow reconstruction and global event description with the CMS detector[J]. JOURNAL OF INSTRUMENTATION,2017,12:10003.
APA	CMS Collaboration.(2017).Particle-flow reconstruction and global event description with the CMS detector.JOURNAL OF INSTRUMENTATION,12,10003.
MLA	CMS Collaboration."Particle-flow reconstruction and global event description with the CMS detector".JOURNAL OF INSTRUMENTATION 12(2017):10003.