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Identification of high transverse momentum top quarks in pp collisions at root s=8 TeV with the ATLAS detector
ATLAS Collaboration
2016
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号6
文章类型Article
摘要This paper presents studies of the performance of several jet-substructure techniques, which are used to identify hadronically decaying top quarks with high transverse momentum contained in large-radius jets. The efficiency of identifying top quarks is measured using a sample of top-quark pairs and the rate of wrongly identifying jets from other quarks or gluons as top quarks is measured using multijet events collected with the ATLAS experiment in 20.3 fb(-1) of 8TeV proton-proton collisions at the Large Hadron Collider. Predictions from Monte Carlo simulations are found to provide an accurate description of the performance. The techniques are compared in terms of signal efficiency and background rejection using simulations, covering a larger range in jet transverse momenta than accessible in the dataset. Additionally, a novel technique is developed that is optimized to reconstruct top quarks in events with many jets.
关键词Hadron-Hadron scattering (experiments)
DOI10.1007/JHEP06(2016)093
关键词[WOS]PAIR PRODUCTION ; PARTON DISTRIBUTIONS ; HADRON COLLIDERS ; RESUMMATION ; LHC
语种英语
WOS记录号WOS:000379177300001
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260894
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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ATLAS Collaboration. Identification of high transverse momentum top quarks in pp collisions at root s=8 TeV with the ATLAS detector[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016(6).
APA ATLAS Collaboration.(2016).Identification of high transverse momentum top quarks in pp collisions at root s=8 TeV with the ATLAS detector.JOURNAL OF HIGH ENERGY PHYSICS(6).
MLA ATLAS Collaboration."Identification of high transverse momentum top quarks in pp collisions at root s=8 TeV with the ATLAS detector".JOURNAL OF HIGH ENERGY PHYSICS .6(2016).
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