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Isolated photon and photon+jet production at NNLO QCD accuracy

Chen, Xuan; Gehrmann, Thomas; Glover, Nigel; Höfer, Marius; Huss, Alexander

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Authors

Xuan Chen

Thomas Gehrmann

Marius Höfer

Alexander Huss



Abstract

We describe the calculation of the next-to-next-to-leading order (NNLO) QCD corrections to isolated photon and photon-plus-jet production, and discuss how the experimental hadron-level photon definition and isolation criteria can be approximated in the theoretical parton-level calculation. The NNLO corrections lead to a considerable reduction of the theory uncertainty on the predictions, typically to less than five per cent, and enable an improved description of experimental measurements from ATLAS and CMS.

Citation

Chen, X., Gehrmann, T., Glover, N., Höfer, M., & Huss, A. (2020). Isolated photon and photon+jet production at NNLO QCD accuracy. Journal of High Energy Physics, 2020(4), Article 166. https://doi.org/10.1007/jhep04%282020%29166

Journal Article Type Article
Acceptance Date Apr 7, 2020
Online Publication Date Apr 24, 2020
Publication Date Apr 30, 2020
Deposit Date May 7, 2020
Publicly Available Date Mar 28, 2024
Journal Journal of High Energy Physics
Print ISSN 1126-6708
Publisher Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Peer Reviewed Peer Reviewed
Volume 2020
Issue 4
Article Number 166
DOI https://doi.org/10.1007/jhep04%282020%29166

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.





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