Publication: Isolated photon and photon+jet production at NNLO QCD accuracy
Isolated photon and photon+jet production at NNLO QCD accuracy
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Chen, X., Gehrmann, T., Glover, N., Höfer, M., & Huss, A. (2019). Isolated photon and photon+jet production at NNLO QCD accuracy (1904.01044; ArXiv.Org).
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We describe the calculation of the next-to-next-to-leading order (NNLO) QCDcorrections 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.
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Chen, X., Gehrmann, T., Glover, N., Höfer, M., & Huss, A. (2019). Isolated photon and photon+jet production at NNLO QCD accuracy (1904.01044; ArXiv.Org).
