NNLO photon fragmentation within antenna subtraction
Thomas Gehrmann, Robin Schürmann
SciPost Phys. Proc. 7, 042 (2022) · published 22 June 2022
- doi: 10.21468/SciPostPhysProc.7.042
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Abstract
We report on our recent progress towards including the photon fragmentation contribution in next-to-next-to-leading order (NNLO) QCD predictions for photon production cross sections. This extension to previous NNLO calculations requires the identification of the photon in singular parton-photon collinear limits. We discuss how these limits can be subtracted within antenna subtraction using fragmentation antenna functions and we outline their integration.
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