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Article: Measurements of inclusive and differential cross-sections of combined ttγ and tWγ production in the eμ channel at 13TeV with the ATLAS detector

TitleMeasurements of inclusive and differential cross-sections of combined ttγ and tWγ production in the eμ channel at 13TeV with the ATLAS detector
Authors
KeywordsHadron-Hadron scattering (experiments)
Top physics
Issue Date2020
PublisherSpringer Verlag (Germany): SCOAP3. The Journal's web site is located at http://www.springer.com/physics/particle+and+nuclear+physics/journal/13130
Citation
Journal of High Energy Physics, 2020, v. 2020 n. 9, p. article no. 049 How to Cite?
AbstractInclusive and differential cross-sections for the production of top quarks in association with a photon are measured with proton-proton collision data corresponding to an integrated luminosity of 139 fb−1. The data were collected by the ATLAS detector at the LHC during Run 2 between 2015 and 2018 at a centre-of-mass energy of 13 TeV. The measurements are performed in a fiducial volume defined at parton level. Events with exactly one photon, one electron and one muon of opposite sign, and at least two jets, of which at least one is b-tagged, are selected. The fiducial cross-section is measured to be 39.6+2.7−2.3 fb. Differential cross-sections as functions of several observables are compared with state-of-the-art Monte Carlo simulations and next-to-leading-order theoretical calculations. These include cross-sections as functions of photon kinematic variables, angular variables related to the photon and the leptons, and angular separations between the two leptons in the event. All measurements are in agreement with the predictions from the Standard Model.
Persistent Identifierhttp://hdl.handle.net/10722/289327
ISSN
2021 Impact Factor: 6.379
2020 SCImago Journal Rankings: 0.998
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.authorThe ATLAS collaboration-
dc.date.accessioned2020-10-22T08:11:04Z-
dc.date.available2020-10-22T08:11:04Z-
dc.date.issued2020-
dc.identifier.citationJournal of High Energy Physics, 2020, v. 2020 n. 9, p. article no. 049-
dc.identifier.issn1029-8479-
dc.identifier.urihttp://hdl.handle.net/10722/289327-
dc.description.abstractInclusive and differential cross-sections for the production of top quarks in association with a photon are measured with proton-proton collision data corresponding to an integrated luminosity of 139 fb−1. The data were collected by the ATLAS detector at the LHC during Run 2 between 2015 and 2018 at a centre-of-mass energy of 13 TeV. The measurements are performed in a fiducial volume defined at parton level. Events with exactly one photon, one electron and one muon of opposite sign, and at least two jets, of which at least one is b-tagged, are selected. The fiducial cross-section is measured to be 39.6+2.7−2.3 fb. Differential cross-sections as functions of several observables are compared with state-of-the-art Monte Carlo simulations and next-to-leading-order theoretical calculations. These include cross-sections as functions of photon kinematic variables, angular variables related to the photon and the leptons, and angular separations between the two leptons in the event. All measurements are in agreement with the predictions from the Standard Model.-
dc.languageeng-
dc.publisherSpringer Verlag (Germany): SCOAP3. The Journal's web site is located at http://www.springer.com/physics/particle+and+nuclear+physics/journal/13130-
dc.relation.ispartofJournal of High Energy Physics-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectHadron-Hadron scattering (experiments)-
dc.subjectTop physics-
dc.titleMeasurements of inclusive and differential cross-sections of combined ttγ and tWγ production in the eμ channel at 13TeV with the ATLAS detector-
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.doi10.1007/jhep09(2020)049-
dc.identifier.scopuseid_2-s2.0-85090330843-
dc.identifier.hkuros315981-
dc.identifier.volume2020-
dc.identifier.issue9-
dc.identifier.spagearticle no. 049-
dc.identifier.epagearticle no. 049-
dc.identifier.isiWOS:000570902100005-
dc.publisher.placeGermany-
dc.identifier.issnl1029-8479-

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