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Isolated photon and photon+jet production at NNLO QCD accuracy.

Chen, Xuan and Gehrmann, Thomas and Glover, Nigel and Höfer, Marius and Huss, Alexander (2020) 'Isolated photon and photon+jet production at NNLO QCD accuracy.', Journal of high energy physics., 2020 (4). p. 166.


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.

Item Type:Article
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Publisher 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.
Date accepted:07 April 2020
Date deposited:07 May 2020
Date of first online publication:24 April 2020
Date first made open access:07 May 2020

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