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arXiv · 1906.06535

Top-quark pair production at the LHC: Fully differential QCD predictions at NNLO

Stefano Catani·Simone Devoto·Massimiliano Grazzini·Stefan Kallweit·Javier Mazzitelli
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Abstract

We report on a new fully differential calculation of the next-to-next-to-leading-order (NNLO) QCD radiative corrections to the production of top-quark pairs at hadron colliders. The calculation is performed by using the $q_T$ subtraction formalism to handle and cancel infrared singularities in real and virtual contributions. The computation is implemented in the Matrix framework, thereby allowing us to efficiently compute arbitrary infrared-safe observables for stable top quarks. We present NNLO predictions for several single- and double-differential kinematical distributions in $pp$ collisions at the centre-of-mass energy $\sqrt{s}=13$ TeV, and we compare them with recent LHC data by the CMS collaboration.

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Stefano Catani, Simone Devoto, Massimiliano Grazzini, Stefan Kallweit, Javier Mazzitelli. 2019-06-15. Top-quark pair production at the LHC: Fully differential QCD predictions at NNLO. https://doi.org/10.1007/jhep07(2019)100

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