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Fully exclusive heavy quark-antiquark pair production from a colourless initial state at NNLO in QCD

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arxiv 2007.15015 v1 pith:PPDHBN6H submitted 2020-07-29 hep-ph hep-th

Gábor Somogyi , Francesco Tramontano This is my paper · ORCID
classification hep-phhep-th
keywords fullysubtractioncolourlessinitialmassivenext-to-next-to-leadingorderpair
verification ladder T0 review T1 audit T2 compute T3 formal
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We present a local subtraction scheme for computing next-to-next-to-leading order QCD corrections to the production of a massive quark-antiquark pair from a colourless initial state. The subtraction terms are built following the CoLoRFulNNLO method and refined in such a way that their integration gives rise to compact, fully analytic expressions. All ingredients necessary for a numerical implementation of our subtraction scheme are provided in detail. As an example, we calculate the fully differential decay rate of the Standard Model Higgs boson to massive bottom quarks at next-to-next-to-leading order accuracy in perturbative QCD.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Higgs boson decay to massive bottom quarks at order $\alpha_s^4$ induced by top-quark Yukawa couplings

    hep-ph 2026-03 accept novelty 7.0 of 10

    The O(α_s^4) top-Yukawa-induced correction to H→bb is computed analytically, increasing the width by 0.4% and lowering scale uncertainty to 0.4%.

  2. NNLOCAL: completely local subtractions for color-singlet production in hadron collisions

    hep-ph 2024-12 conditional novelty 7.0 of 10

    NNLOCAL is the first public implementation of a completely local analytic NNLO subtraction scheme for hadron collisions, validated on gluon-only Higgs production.

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