Precise predictions for joint polarisation fractions in WZ production at the LHC

October 29, 2025

2025   ·   physics     ·   work  

Precise predictions for joint polarisation fractions in WZ production at the LHC

Authors: Giovanni Pelliccioli, Rene Poncelet

Abstract: We achieve for the first time NNLO QCD + NLO EW accuracy for doubly polarised WZ inclusive production at the LHC, in the case of fully leptonic decays. Additionally, we provide estimates for missing higher-order uncertainties in QCD associated with doubly polarised differential cross sections and joint polarisation fractions, obtained both with standard scale variations and with a theory-nuisance-parameter approach. The study is carried out in the fiducial setup of a recent ATLAS analysis of Run-2 data.

Article on arxiv.org



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