The study of top-quark production and decay is central in the LHC physics programme, allowing to test the Standard Model and offering a window on possible new physics. Precise theoretical predictions are crucial for these analyses. In this talk, we will review the calculation of the next-to-next-to-leading order (NNLO) QCD radiative corrections to the production of top-quark pairs based on the qT-subtraction method, discussing its development and implementation in the Matrix framework. We will also discuss its recent application to the calculation of NNLO differential results using the MSbar scheme for the renormalization of the top-quark mass.
Oct 2019 - Sept 2020
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