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arXiv · 2402.03301

Two-loop amplitudes for ttH production: the quark-initiated Nf-part

Bakul Agarwal·Gudrun Heinrich·Stephen P. Jones·Matthias Kerner·Sven Yannick Klein·Jannis Lang·Vitaly Magerya·Anton Olsson
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Abstract

We present numerical results for the two-loop virtual amplitude entering the NNLO corrections to Higgs boson production in association with a top quark pair at the LHC, focusing, as a proof of concept of our method, on the part of the quark-initiated channel containing loops of massless or massive quarks. Results for the UV renormalised and IR subtracted two-loop amplitude for each colour structure are given at selected phase-space points and visualised in terms of surfaces as a function of two-dimensional slices of the full phase space.

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Bakul Agarwal, Gudrun Heinrich, Stephen P. Jones, Matthias Kerner, Sven Yannick Klein, Jannis Lang, Vitaly Magerya, Anton Olsson. 2024-02-05. Two-loop amplitudes for ttH production: the quark-initiated Nf-part. https://doi.org/10.1007/jhep05(2024)013

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