Abstract

It has been found that the theoretical predictions for W and Z boson cross sections, and for the W boson charge asymmetry, which are labelled as NNPDF3.1 [1] have in fact been calculated using the NNPDF3.0 PDF set [2] instead.

Highlights

  • It has been found that the theoretical predictions for W and Z boson cross sections, and for the W boson charge asymmetry, which are labelled as NNPDF3.1 [1] have been calculated using the NNPDF3.0 PDF set [2] instead

  • The predictions obtained with other recent PDF sets systematically deviate from the measured values

  • The lower panel shows the ratio of predictions to the measured differential cross section in each bin, and the shaded band shows the sum in quadrature of statistical and systematic uncertainties of the data

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Summary

ATLAS Collaboration

It has been found that the theoretical predictions for W and Z boson cross sections, and for the W boson charge asymmetry, which are labelled as NNPDF3.1 [1] have been calculated using the NNPDF3.0 PDF set [2] instead. 11, 12 and 13 of the paper are presented below. The corrected text discussing the comparison of predicted cross sections to data in Sect. A comparison of the differential cross sections shows that the predictions obtained with the NNPDF3.1 PDF set are in good agreement with the measured values, mainly because the NNPDF3.1 global fit includes high precision LHC measurements of W/Z boson production [3,4]. The predictions obtained with other recent PDF sets systematically deviate from the measured values

NNLO QCD Data
NNLO QCD
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