Identification of high transverse momentum top quarks in pp collisions at √s= 8 TeV with the ATLAS detector

The ATLAS collaboration

研究成果: Contribution to journalArticle

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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−1of 8 TeV 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.[Figure not available: see fulltext.]

元の言語英語
記事番号93
ジャーナルJournal of High Energy Physics
2016
発行部数6
DOI
出版物ステータス出版済み - 6 1 2016

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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