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Article: Measurement of the tt¯ production cross-section in the lepton+jets channel at √s=13TeV with the ATLAS experiment

TitleMeasurement of the tt¯ production cross-section in the lepton+jets channel at √s=13TeV with the ATLAS experiment
Authors
Issue Date2020
PublisherElsevier: SCOAP3. The Journal's web site is located at http://www.elsevier.com/locate/physletb
Citation
Physics Letters B, 2020, v. 810, p. article no. 135797 How to Cite?
AbstractThe top anti-top quark production cross-section is measured in the lepton+jets channel using proton-proton collision data at a centre-of-mass energy of root s = 13 TeV collected with the ATLAS detector at the LHC. The dataset corresponds to an integrated luminosity of 139 fb(-1). Events with exactly one charged lepton and four or more jets in the final state, with at least one jet containing b-hadrons, are used to determine the a production cross-section through a profile-likelihood t (t) over bar. The inclusive cross-section is measured to be alpha(inc) = 830 +/- 0.4 (stat.) +/- 36 (syst.) +/- 14 (lumi.) pb with a relative uncertainty of 4.6%. The result is consistent with theoretical calculations at next-to-next-to-leading order in perturbative QCD. The fiducial t (t) over bar cross-section within the experimental acceptance is also measured. (C) 2020 The Author(s). Published by Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/293414
ISSN
2023 Impact Factor: 4.3
2023 SCImago Journal Rankings: 1.593
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLo, CY-
dc.contributor.authorParedes Hernandez, D-
dc.contributor.authorSalvucci, A-
dc.contributor.authorTam, KC-
dc.contributor.authorTu, Y-
dc.contributor.authorATLAS Collaboration,-
dc.contributor.authorPizzimento, L-
dc.date.accessioned2020-11-23T08:16:24Z-
dc.date.available2020-11-23T08:16:24Z-
dc.date.issued2020-
dc.identifier.citationPhysics Letters B, 2020, v. 810, p. article no. 135797-
dc.identifier.issn0370-2693-
dc.identifier.urihttp://hdl.handle.net/10722/293414-
dc.description.abstractThe top anti-top quark production cross-section is measured in the lepton+jets channel using proton-proton collision data at a centre-of-mass energy of root s = 13 TeV collected with the ATLAS detector at the LHC. The dataset corresponds to an integrated luminosity of 139 fb(-1). Events with exactly one charged lepton and four or more jets in the final state, with at least one jet containing b-hadrons, are used to determine the a production cross-section through a profile-likelihood t (t) over bar. The inclusive cross-section is measured to be alpha(inc) = 830 +/- 0.4 (stat.) +/- 36 (syst.) +/- 14 (lumi.) pb with a relative uncertainty of 4.6%. The result is consistent with theoretical calculations at next-to-next-to-leading order in perturbative QCD. The fiducial t (t) over bar cross-section within the experimental acceptance is also measured. (C) 2020 The Author(s). Published by Elsevier B.V.-
dc.languageeng-
dc.publisherElsevier: SCOAP3. The Journal's web site is located at http://www.elsevier.com/locate/physletb-
dc.relation.ispartofPhysics Letters B-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleMeasurement of the tt¯ production cross-section in the lepton+jets channel at √s=13TeV with the ATLAS experiment-
dc.typeArticle-
dc.identifier.emailLo, CY: samuel3@hku.hk-
dc.identifier.emailParedes Hernandez, D: dparedes@hku.hk-
dc.identifier.emailTu, Y: yanjuntu@hku.hk-
dc.identifier.authorityTu, Y=rp01971-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1016/j.physletb.2020.135797-
dc.identifier.scopuseid_2-s2.0-85092069937-
dc.identifier.hkuros320208-
dc.identifier.volume810-
dc.identifier.spagearticle no. 135797-
dc.identifier.epagearticle no. 135797-
dc.identifier.isiWOS:000582969900023-
dc.publisher.placeNetherlands-

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