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

Abstract 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. Comp...

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Autores principales:	Simon Badger, Christian Brønnum-Hansen, Dmitry Chicherin, Thomas Gehrmann, Heribertus Bayu Hartanto, Johannes Henn, Matteo Marcoli, Ryan Moodie, Tiziano Peraro, Simone Zoia
Formato:	article
Lenguaje:	EN
Publicado:	SpringerOpen 2021
Materias:	Perturbative QCD Scattering Amplitudes Nuclear and particle physics. Atomic energy. Radioactivity QC770-798
Acceso en línea:	https://doaj.org/article/5338b26fd5ca45729e4a51bc136463f3
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spelling	oai:doaj.org-article:5338b26fd5ca45729e4a51bc136463f32021-11-14T12:40:24ZVirtual QCD corrections to gluon-initiated diphoton plus jet production at hadron colliders10.1007/JHEP11(2021)0831029-8479https://doaj.org/article/5338b26fd5ca45729e4a51bc136463f32021-11-01T00:00:00Zhttps://doi.org/10.1007/JHEP11(2021)083https://doaj.org/toc/1029-8479Abstract 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.Simon BadgerChristian Brønnum-HansenDmitry ChicherinThomas GehrmannHeribertus Bayu HartantoJohannes HennMatteo MarcoliRyan MoodieTiziano PeraroSimone ZoiaSpringerOpenarticlePerturbative QCDScattering AmplitudesNuclear and particle physics. Atomic energy. RadioactivityQC770-798ENJournal of High Energy Physics, Vol 2021, Iss 11, Pp 1-29 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Perturbative QCD Scattering Amplitudes Nuclear and particle physics. Atomic energy. Radioactivity QC770-798
spellingShingle	Perturbative QCD Scattering Amplitudes Nuclear and particle physics. Atomic energy. Radioactivity QC770-798 Simon Badger Christian Brønnum-Hansen Dmitry Chicherin Thomas Gehrmann Heribertus Bayu Hartanto Johannes Henn Matteo Marcoli Ryan Moodie Tiziano Peraro Simone Zoia Virtual QCD corrections to gluon-initiated diphoton plus jet production at hadron colliders
description	Abstract 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.
format	article
author	Simon Badger Christian Brønnum-Hansen Dmitry Chicherin Thomas Gehrmann Heribertus Bayu Hartanto Johannes Henn Matteo Marcoli Ryan Moodie Tiziano Peraro Simone Zoia
author_facet	Simon Badger Christian Brønnum-Hansen Dmitry Chicherin Thomas Gehrmann Heribertus Bayu Hartanto Johannes Henn Matteo Marcoli Ryan Moodie Tiziano Peraro Simone Zoia
author_sort	Simon Badger
title	Virtual QCD corrections to gluon-initiated diphoton plus jet production at hadron colliders
title_short	Virtual QCD corrections to gluon-initiated diphoton plus jet production at hadron colliders
title_full	Virtual QCD corrections to gluon-initiated diphoton plus jet production at hadron colliders
title_fullStr	Virtual QCD corrections to gluon-initiated diphoton plus jet production at hadron colliders
title_full_unstemmed	Virtual QCD corrections to gluon-initiated diphoton plus jet production at hadron colliders
title_sort	virtual qcd corrections to gluon-initiated diphoton plus jet production at hadron colliders
publisher	SpringerOpen
publishDate	2021
url	https://doaj.org/article/5338b26fd5ca45729e4a51bc136463f3
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Virtual QCD corrections to gluon-initiated diphoton plus jet production at hadron colliders

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