NNLO predictions for Z-boson pair production at the LHC
G. Heinrich, S. Jahn, S.P. Jones, M. Kerner, Joao Pires
TL;DR
This paper provides next-to-next-to-leading order (NNLO) quantum chromodynamics (QCD) predictions for Z-boson pair production at the LHC, improving theoretical accuracy and comparison with experimental data.
Contribution
The paper introduces a calculation of NNLO QCD corrections for Z-boson pair production using the N-jettiness method, enhancing precision in theoretical predictions.
Findings
NNLO corrections significantly improve agreement with LHC data.
Scale uncertainties are reduced at NNLO.
The shape of the differential distributions is better described with NNLO.
Abstract
We present a calculation of the NNLO QCD corrections to Z-boson pair production at hadron colliders, based on the N-jettiness method for the real radiation parts. We discuss the size and shape of the perturbative corrections along with their associated scale uncertainties and compare our results to recent LHC data at TeV.
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