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Virtual QCD corrections to gluon-initiated diphoton plus jet production at hadron colliders

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arxiv 2106.08664 v1 pith:Y4PX5NM7 submitted 2021-06-16 hep-ph hep-th

Simon Badger , Christian Br{o}nnum-Hansen , Dmitry Chicherin , Thomas Gehrmann , Heribertus Bayu Hartanto , Johannes Henn , Matteo Marcoli , Ryan Moodie
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Tiziano Peraro Simone Zoia
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classification hep-phhep-th
keywords finiteanalyticcollidersdiphotongluon-initiatedhadronplusproduction
verification ladder T0 review T1 audit T2 compute T3 formal
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We present an analytic computation of the gluon-initiated contribution to diphoton plus jet production at hadron colliders up to two loops in QCD. We reconstruct the analytic form of the finite remainders from numerical evaluations over finite fields including all colour contributions. Compact expressions are found using the pentagon function basis. We provide a fast and stable implementation for the colour- and helicity-summed interference between the one-loop and two-loop finite remainders in C++ as part of the NJet library.

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Cited by 4 Pith papers

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

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  3. Top-Yukawa contributions to $pp\to b\bar{b}H$: two-loop leading-colour amplitudes

    hep-ph 2026-03 accept novelty 7.0 of 10

    First analytic two-loop leading-colour amplitudes for top-Yukawa-induced b bbar H production in the heavy-top limit, with Mathematica and C++ code.

  4. Kira 3: integral reduction with efficient seeding and optimized equation selection

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