# The $q_T$ subtraction method for top quark production at hadron colliders

Bonciani, Roberto; Catani, Stefano; Grazzini, Massimiliano; Sargsyan, Hayk; Torre, Alessandro (2015). The $q_T$ subtraction method for top quark production at hadron colliders. European Physical Journal C - Particles and Fields, 75:581.

## Abstract

We consider QCD radiative corrections to top-quark pair production at hadron colliders. We use the $q_T$ subtraction formalism to perform a fully-differential computation for this process. Our calculation is accurate up to the next-to-leading order in QCD perturbation theory and it includes all the flavour off-diagonal partonic channels at the next-to-next-to-leading order. We present a comparison of our numerical results with those obtained with the publicly available numerical programs MCFM and Top++.

## Abstract

We consider QCD radiative corrections to top-quark pair production at hadron colliders. We use the $q_T$ subtraction formalism to perform a fully-differential computation for this process. Our calculation is accurate up to the next-to-leading order in QCD perturbation theory and it includes all the flavour off-diagonal partonic channels at the next-to-next-to-leading order. We present a comparison of our numerical results with those obtained with the publicly available numerical programs MCFM and Top++.

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Item Type: Journal Article, refereed, original work 07 Faculty of Science > Physics Institute 530 Physics Physical Sciences > Engineering (miscellaneous) Physical Sciences > Physics and Astronomy (miscellaneous) English 2015 12 Feb 2016 11:56 29 Apr 2020 21:18 Springer 1434-6044 Gold Publisher DOI. An embargo period may apply. https://doi.org/10.1140/epjc/s10052-015-3793-y arXiv:1508.03585v2 : FunderFP7: Grant ID302997: Project TitleTOPPHYSICS - Precision Physics and Discovery at Hadron Colliders with Heavy Quarks