Measurement of the charge asymmetry in top-quark pair production in association with a photon with the ATLAS experiment

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dc.authorscopusidAndrew John Beddall / 57215802986
dc.authorscopusidSerkant Ali Çetin / 34567544400
dc.authorscopusidSertaç Öztürk / 56421488400
dc.authorscopusidSinem Şimşek / 57210344387
dc.authorwosidAndrew John Beddall / AAE-5820-2022
dc.authorwosidSerkant Ali Çetin / AGF-0147-2022
dc.authorwosidSertaç Öztürk / AGO-2476-2022
dc.authorwosidSinem Şimşek / AGG-2640-2022
dc.contributor.authorAad, Georges
dc.contributor.authorAbbott, Brad
dc.contributor.authorAbbott, D. C.
dc.contributor.authorAbeling, Karin
dc.contributor.authorBeddall, Andrew John
dc.contributor.authorÇetin, Serkant Ali
dc.contributor.authorÖztürk, Sertaç
dc.contributor.authorŞimşek, Sinem
dc.date.accessioned2025-04-18T10:43:52Z
dc.date.available2025-04-18T10:43:52Z
dc.date.issued2023
dc.departmentİstinye Üniversitesi, Rektörlük, Temel Bilimler Bölümü
dc.description.abstractA measurement of the charge asymmetry in top-quark pair (t (t) over bar) production in association with a photon is presented. The measurement is performed in the single-lepton t (t) over bar decay channel using proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider at CERN at a centre-of-mass-energy of 13 TeV during the years 2015-2018, corresponding to an integrated luminosity of 139 fb(-1). The charge asymmetry is obtained from the distribution of the difference of the absolute rapidities of the top quark and antiquark using a profile likelihood unfolding approach. It is measured to be A(C) = -0.003 +/- 0.029 in agreement with the Standard Model expectation. (c) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
dc.identifier.citationATLAS Collaboration. (2023). Measurement of the charge asymmetry in top-quark pair production in association with a photon with the ATLAS experiment.
dc.identifier.doi10.1016/j.physletb.2023.137848
dc.identifier.endpage21
dc.identifier.issn0370-2693
dc.identifier.issn1873-2445
dc.identifier.scopus2-s2.0-85165936778
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttp://dx.doi.org/10.1016/j.physletb.2023.137848
dc.identifier.urihttps://hdl.handle.net/20.500.12713/7170
dc.identifier.volume843
dc.identifier.wosWOS:001256753500001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorBeddall, Andrew John
dc.institutionauthorÇetin, Serkant Ali
dc.institutionauthorÖztürk, Sertaç
dc.institutionauthorŞimşek , Sinem
dc.institutionauthoridAndrew John Beddall / 0000-0002-8451-9672
dc.institutionauthoridSerkant Ali Çetin / 0000-0001-5050-8441
dc.institutionauthoridSertaç Öztürk / 0000-0001-6533-6144
dc.institutionauthoridSinem Şimşek / 0000-0002-9650-3846
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofphysıcs letters b
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titleMeasurement of the charge asymmetry in top-quark pair production in association with a photon with the ATLAS experiment
dc.typeArticle

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