Recent work demonstrates the effects of NLO corrections on top-quark pair production with photons, indicating significant contributions.
In this contribution we discuss recent progress in associated top-quark pair production with one or two isolated photons, pp→ tt̄γ(γ) p p → t t ‾ γ ( γ ) . The focus is the simultaneous inclusion of higher-order effects and photon radiation in the production of the top-quark pair and in the decay processes. This allows us to quantify the importance of photon radiation in decay processes and the size of the so-called complete NLO corrections in realistic final states.
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Daniel Stremmer (2026) studied this question.
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