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Measurement of single top-quark production in association with a W boson in the single-lepton channel at √s=8TeV with the ATLAS detector

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dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbbott, D. C.
dc.contributor.authorAbud, A. A.
dc.contributor.authorBelotskiy, K.
dc.contributor.authorBelyaev, N. L.
dc.contributor.authorBulekov, O.
dc.contributor.authorKantserov, V. A.
dc.contributor.authorKurova, A.
dc.contributor.authorPonomarenko, D.
dc.contributor.authorProklova, N.
dc.contributor.authorRomaniouk, A.
dc.contributor.authorSmirnov, N.
dc.contributor.authorSmirnov, S. Y.
dc.contributor.authorSmirnov, Y.
dc.contributor.authorSoldatov, E. Y.
dc.contributor.authorTikhomirov, V. O.
dc.contributor.authorTimoshenko, S.
dc.contributor.authorVorobev, K.
dc.contributor.authorБелоцкий, Константин Михайлович
dc.contributor.authorБулеков, Олег Владимирович
dc.contributor.authorКурова, Анастасия Сергеевна
dc.contributor.authorРоманюк, Анатолий Самсонович
dc.contributor.authorСмирнов, Сергей Юрьевич
dc.contributor.authorСмирнов, Юрий Сергеевич
dc.contributor.authorСолдатов, Евгений Юрьевич
dc.contributor.authorТихомиров, Владимир Олегович
dc.contributor.authorТимошенко, Сергей Леонидович
dc.contributor.authorВоробьёв, Константин Александрович
dc.date.accessioned2024-11-29T18:31:27Z
dc.date.available2024-11-29T18:31:27Z
dc.date.issued2021
dc.description.abstract© 2021, The Author(s).The production cross-section of a top quark in association with a W boson is measured using proton–proton collisions at s=8TeV. The dataset corresponds to an integrated luminosity of 20.2fb-1, and was collected in 2012 by the ATLAS detector at the Large Hadron Collider at CERN. The analysis is performed in the single-lepton channel. Events are selected by requiring one isolated lepton (electron or muon) and at least three jets. A neural network is trained to separate the tW signal from the dominant tt¯ background. The cross-section is extracted from a binned profile maximum-likelihood fit to a two-dimensional discriminant built from the neural-network output and the invariant mass of the hadronically decaying W boson. The measured cross-section is σtW=26±7pb, in good agreement with the Standard Model expectation.
dc.identifier.citationMeasurement of single top-quark production in association with a W boson in the single-lepton channel at √s=8TeV with the ATLAS detector / Aad, G. [et al.] // European Physical Journal C. - 2021. - 81. - № 8. - 10.1140/epjc/s10052-021-09371-7
dc.identifier.doi10.1140/epjc/s10052-021-09371-7
dc.identifier.urihttps://www.doi.org/10.1140/epjc/s10052-021-09371-7
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85112563688&origin=resultslist
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/24473
dc.relation.ispartofEuropean Physical Journal C
dc.titleMeasurement of single top-quark production in association with a W boson in the single-lepton channel at √s=8TeV with the ATLAS detector
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue8
oaire.citation.volume81
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