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

被引：0
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作者：
Simon Badger
Christian Brønnum-Hansen
Dmitry Chicherin
Thomas Gehrmann
Heribertus Bayu Hartanto
Johannes Henn
Matteo Marcoli
Ryan Moodie
Tiziano Peraro
Simone Zoia
机构：
[1] Dipartimento di Fisica and Arnold-Regge Center,Institute for Theoretical Particle Physics
[2] Università di Torino and INFN,Physik
[3] Sezione di Torino,Institut
[4] KIT,Cavendish Laboratory
[5] LAPTh,Institute for Particle Physics Phenomenology, Department of Physics
[6] CNRS — USMB,undefined
[7] BP 110,undefined
[8] Universität Zürich,undefined
[9] University of Cambridge,undefined
[10] Max-Planck-Institut für Physik,undefined
[11] Werner-Heisenberg-Institut,undefined
[12] Durham University,undefined
[13] Dipartimento di Fisica e Astronomia,undefined
[14] Università di Bologna and INFN,undefined
[15] Sezione di Bologna,undefined
来源：
Journal of High Energy Physics | / 2021卷
关键词：
Perturbative QCD; Scattering Amplitudes;
D O I：
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中图分类号：
学科分类号：
摘要：
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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