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The q_T subtraction method for top quark production at hadron colliders

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arxiv 1508.03585 v2 pith:BXQ53IVS submitted 2015-08-14 hep-ph

The q_T subtraction method for top quark production at hadron colliders

classification hep-ph
keywords collidershadronnumericalorderproductionsubtractionaccurateavailable
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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