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https://hdl.handle.net/20.500.11851/11036| Title: | Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector | Authors: | Filmer, E.K. Jackson, P. Kong, A.X.Y. Cakir, O. Duran, Yildiz, H. Kuday, S. Turk, Cakir, I. |
Keywords: | Germanium compounds Tellurium compounds ATLAS detectors Electroweak couplings Large Hadron Collider Large-hadron colliders Model prediction Proton proton collisions Quark production The standard model Top quarks Transverse momenta Photons |
Publisher: | American Physical Society | Abstract: | This 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 Formula Presented 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 Formula Presented, to be compared with the standard model prediction of Formula Presented at next-to-leading order in QCD. © 2023 CERN, for the ATLAS Collaboration. | URI: | https://doi.org/10.1103/PhysRevLett.131.181901 https://hdl.handle.net/20.500.11851/11036 |
ISSN: | 0031-9007 |
| Appears in Collections: | Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection |
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