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Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector

dc.contributor.authorAad, G.
dc.contributor.authorAguilar Saavedra, Juan Antonio 
dc.contributor.authorRodríguez Chala, Mikael 
dc.contributor.authorAtlas Collaboration
dc.date.accessioned2023-12-05T11:00:29Z
dc.date.available2023-12-05T11:00:29Z
dc.date.issued2023-10-30
dc.identifier.citationG. Aad et al. (ATLAS Collaboration) Phys. Rev. Lett. 131, 181901 [https://doi.org/10.1103/PhysRevLett.131.181901]es_ES
dc.identifier.urihttps://hdl.handle.net/10481/86034
dc.description.abstractThis Letter reports the observation of single top quarks produced together with a photon, which directly probes the electroweak coupling of the top quark. The analysis uses 139  fb−1 of 13 TeV proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider. Requiring a photon with transverse momentum larger than 20 GeV and within the detector acceptance, the fiducial cross section is measured to be 688±23(stat) +75−71(syst)  fb, to be compared with the standard model prediction of 515+36−42  fb at next-to-leading order in QCD.es_ES
dc.description.sponsorshipANPCyT, Argentinaes_ES
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dc.description.sponsorshipARC, Australiaes_ES
dc.description.sponsorshipBMWFW and FWF, Austriaes_ES
dc.description.sponsorshipANAS, Azerbaijanes_ES
dc.description.sponsorshipCNPq and FAPESP, Braziles_ES
dc.description.sponsorshipNSERC, NRC, and CFI, Canadaes_ES
dc.description.sponsorshipCERNes_ES
dc.description.sponsorshipANID, Chilees_ES
dc.description.sponsorshipCAS, MOST, and NSFC, Chinaes_ES
dc.description.sponsorshipMinciencias, Colombiaes_ES
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dc.description.sponsorshipDNRF and DNSRC, Denmarkes_ES
dc.description.sponsorshipIN2P3-CNRS and CEA-DRF/IRFU, Francees_ES
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dc.description.sponsorshipGSRI, Greecees_ES
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dc.description.sponsorshipINFN, Italyes_ES
dc.description.sponsorshipMEXT and JSPS, Japanes_ES
dc.description.sponsorshipCNRST, Moroccoes_ES
dc.description.sponsorshipNWO, Netherlandses_ES
dc.description.sponsorshipRCN, Norwayes_ES
dc.description.sponsorshipMEiN, Polandes_ES
dc.description.sponsorshipFCT, Portugales_ES
dc.description.sponsorshipMNE/IFA, Romaniaes_ES
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dc.description.sponsorshipMSSR, Slovakiaes_ES
dc.description.sponsorshipARRS and MIZŠ, Sloveniaes_ES
dc.description.sponsorshipDSI/NRF, South Africaes_ES
dc.description.sponsorshipMICINN, Spaines_ES
dc.description.sponsorshipSRC and Wallenberg Foundation, Swedenes_ES
dc.description.sponsorshipSERI, SNSF, and Cantons of Bern and Geneva, Switzerlandes_ES
dc.description.sponsorshipMOST, Taiwanes_ES
dc.description.sponsorshipTENMAK, Türkiyees_ES
dc.description.sponsorshipSTFC, United Kingdomes_ES
dc.description.sponsorshipDOE and NSF, USAes_ES
dc.description.sponsorshipBCKDF, CANARIE, Compute Canada, and CRC, Canadaes_ES
dc.description.sponsorshipPRIMUS 21/SCI/017 and UNCE SCI/013, Czech Republices_ES
dc.description.sponsorshipCOST, ERC, ERDF, Horizon 2020, and Marie Skłodowska-Curie Actions, European Uniones_ES
dc.description.sponsorshipInvestissements d’Avenir Labex, Investissements d’Avenir Idex, and ANR, Francees_ES
dc.description.sponsorshipDFG and AvH Foundation, Germanyes_ES
dc.description.sponsorshipHerakleitos, Thales, and Aristeia programs cofinanced by EU-ESF and the Greekes_ES
dc.description.sponsorshipNSRF, Greecees_ES
dc.description.sponsorshipBSF-NSF and MINERVA, Israeles_ES
dc.description.sponsorshipNorwegian Financial Mechanism 2014-2021, Norwayes_ES
dc.description.sponsorshipNCN and NAWA, Polandes_ES
dc.description.sponsorshipLa Caixa Banking Foundation, CERCA Programme Generalitat de Catalunyaes_ES
dc.description.sponsorshipPROMETEO and GenT Programmes Generalitat Valenciana, Spaines_ES
dc.description.sponsorshipGöran Gustafssons Stiftelse, Swedenes_ES
dc.description.sponsorshipThe Royal Society and Leverhulme Trust, United Kingdomes_ES
dc.description.sponsorshipCERN, the ATLAS Tier-1 facilities at TRIUMF (Canada)es_ES
dc.description.sponsorshipNDGF (Denmark, Norway, Sweden)es_ES
dc.description.sponsorshipCC-IN2P3 (France)es_ES
dc.description.sponsorshipKIT/GridKA (Germany)es_ES
dc.description.sponsorshipINFN-CNAF (Italy)es_ES
dc.description.sponsorshipNL-T1 (Netherlands)es_ES
dc.description.sponsorshipPIC (Spain)es_ES
dc.description.sponsorshipASGC (Taiwan)es_ES
dc.description.sponsorshipRAL (UK)es_ES
dc.description.sponsorshipBNL (USA)es_ES
dc.language.isoenges_ES
dc.publisherAmerican Physical Societyes_ES
dc.rightsAtribución 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.titleObservation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detectores_ES
dc.typejournal articlees_ES
dc.rights.accessRightsopen accesses_ES
dc.identifier.doi10.1103/PhysRevLett.131.181901
dc.type.hasVersionVoRes_ES


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