Volume 476 - 42nd International Conference on High Energy Physics (ICHEP2024) - Top Quark and Electroweak Physics
Soft-gluon resummation for associated top-quark pair production with a photon at the LHC
M. Lupattelli*, R. Balsach and A. Kulesza
*: corresponding author
Full text: pdf
Pre-published on: December 17, 2024
Published on: April 29, 2025
Abstract
In this contribution we will discuss the application of soft-gluon
resummation techniques to improve the precision of the theoretical
predictions for the process $t\bar{t}\gamma$ at the LHC.
The calculation is carried out in the framework of invariant mass threshold
resummation and is matched to a fixed-order calculation at next-to-leading
order accuracy in QCD.
The results reported in this contribution are preliminary and will be part
of a more extended study.
We will also compare these results to recent measurements performed by the
ATLAS collaboration.
DOI: https://doi.org/10.22323/1.476.0382
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