Photon production in top quark events at ATLAS and CMS

Abstract

Top quark production in association with a photon offers a unique test ground for the standard model predictions, as it is sensitive to the top-photon coupling. These processes are rare when compared to standard top pair production, however the large amounts of data delivered by the LHC open the window to precise measurements. This talk covered the recent inclusive and differential measurements of top quark single and pair production in association with a photon, by the ATLAS and CMS Collaborations. Potential modifications to the top-photon couplings with respect to the standard model predictions are also explored using the standard model effective field theory.

7 pages, 4 figures, Talk at the 17th International Workshop on Top Quark Physics (Top2024), 22-27 September 2024

References in corpus (6)

• The ATLAS Experiment at the CERN Large Hadron Collider: A Description of the Detector Configuration for Run 3
• Measurements of inclusive and differential cross-sections of combined $t\bar{t}\gamma$ and $tW\gamma$ production in the $e\mu$ channel at 13 TeV with the ATLAS detector
• Measurement of the inclusive and differential $\mathrm{t}\bar{\mathrm{t}}\gamma$ cross sections in the dilepton channel and effective field theory interpretation in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector
• Measurement of the charge asymmetry in top-quark pair production in association with a photon with the ATLAS experiment
• Measurements of inclusive and differential cross-sections of $t\bar{t}\gamma$ production in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector