Photon production in top quark events at ATLAS and CMS
Beatriz Ribeiro Lopes (on behalf of the ATLAS, CMS Collaborations)
TL;DR
This paper reviews recent measurements of top quark production with photons at the LHC by ATLAS and CMS, testing the standard model and exploring potential deviations in top-photon couplings.
Contribution
It presents the latest inclusive and differential measurements of top-photon processes and investigates possible new physics effects via effective field theory.
Findings
Precise measurements of top-photon production at the LHC.
Constraints on top-photon couplings consistent with the standard model.
Potential indications of deviations explored through effective field theory.
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.
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