Abstract
We compute for the first time the complete corrections at N3LO in the strong coupling constant to the inclusive neutral-current Drell-Yan process including contributions from both photon and Z-boson exchange. Our main result is the computation of the QCD corrections to the inclusive production cross section of an axial-vector boson to third order in the strong coupling in a variant of QCD with five massless quark flavours. Since the axial anomaly does not cancel for an odd number of flavours, we also consistently include non-decoupling effects in the top-quark mass through three loops. We perform a phenomenological study of our results, and we present for the first time predictions for the inclusive Drell-Yan process at the LHC at this order in QCD perturbation theory.
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Duhr, C., Mistlberger, B. Lepton-pair production at hadron colliders at N3LO in QCD. J. High Energ. Phys. 2022, 116 (2022). https://doi.org/10.1007/JHEP03(2022)116
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DOI: https://doi.org/10.1007/JHEP03(2022)116