Identification of high transverse momentum top quarks in $\mathit{pp}$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector

doi:10.1007/JHEP06(2016)093

Identification of high transverse momentum top quarks in $\mathit{pp}$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector

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Identification of high transverse momentum top quarks in $\mathit{pp}$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector

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dc.contributor.author	Richter-Wąs, Elżbieta [SAP11013626]	pl
dc.contributor.author	Pałka, Marek [SAP14007322]	pl
dc.contributor.other	Współautorami artykułu są członkowie ATLAS Collaboration w liczbie 2868	pl
dc.date.accessioned	2016-08-16T10:24:30Z
dc.date.available	2016-08-16T10:24:30Z
dc.date.issued	2016	pl
dc.identifier.issn	1126-6708	pl
dc.identifier.uri	http://ruj.uj.edu.pl/xmlui/handle/item/29567
dc.language	eng	pl
dc.rights	Udzielam licencji. Uznanie autorstwa 4.0 Międzynarodowa	*
dc.rights.uri	http://creativecommons.org/licenses/by/4.0/pl/legalcode	*
dc.title	Identification of high transverse momentum top quarks in $\mathit{pp}$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector	pl
dc.type	JournalArticle	pl
dc.abstract.en	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 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.	pl
dc.subject.en	hadron-hadron scattering (experiments)	pl
dc.description.volume	2016	pl
dc.description.number	6	pl
dc.identifier.doi	10.1007/JHEP06(2016)093	pl
dc.identifier.eissn	1029-8479	pl
dc.title.journal	The Journal of High Energy Physics	pl
dc.contributor.institution	ATLAS Collaboration	pl
dc.language.container	eng	pl
dc.affiliation	Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego	pl
dc.subtype	Article	pl
dc.identifier.articleid	93	pl
dc.rights.original	CC-BY; otwarte czasopismo; ostateczna wersja wydawcy; w momencie opublikowania; 0;	pl
dc.identifier.project	ROD UJ / P	pl
.pointsMNiSW	[2016 A]: 40