Generator

Details for Pythia 8.165 default vs. tune-4cx

pp/ppbar → WW


Observable Reference Energy χ2+5% (default) Δ χ2+5% (tune-4cx)
Vetoed jet pT
 ATLAS_2019_I1734263 13000 n/a - n/a
HT(jets)
 ATLAS_2021_I1852328 13000 29 0 29
Lepton pT
 ATLAS_2019_I1734263 13000 13 +1.0 14
ATLAS_2021_I1852328 13000 24 -1.0 23
CMS_2020_I1814328 13000 1.4 +0.10 1.5
pT ratios
 Lepton-jet
 ATLAS_2021_I1852328 13000 17 -2.0 15
pT ratios
 Leptons
 ATLAS_2021_I1852328 13000 16 -2.0 14
ΔR(lepton,jet)
 ATLAS_2021_I1852328 13000 14 0 14
Δφ(lepton,jet)
 ATLAS_2021_I1852328 13000 11 -1.2 9.8
ST(lepton,jets)
 ATLAS_2021_I1852328 13000 32 +1.0 33
Dilepton
 Δφ
 ATLAS_2019_I1734263 13000 13 0 13
ATLAS_2021_I1852328 13000 20 -1.0 19
CMS_2020_I1814328 13000 2.8 0 2.8
Dilepton
 m
 ATLAS_2019_I1734263 13000 16 0 16
ATLAS_2021_I1852328 13000 25 0 25
CMS_2020_I1814328 13000 1.1 0 1.1
Dilepton
 pT
 ATLAS_2019_I1734263 13000 13 +1.0 14
ATLAS_2021_I1852328 13000 27 0 27
Dilepton
 cosθ*
 ATLAS_2019_I1734263 13000 12 +1.0 13
ATLAS_2021_I1852328 13000 21 0 21
Dilepton
 y
 ATLAS_2019_I1734263 13000 11 +1.0 12
ATLAS_2021_I1852328 13000 19 0 19
mT(dilepton+miss)
 ATLAS_2021_I1852328 13000 21 0 21
Jet Multiplicities
 Jet multiplicity
 ATLAS_2021_I1852328 13000 14 -1.0 13
CMS_2020_I1814328 13000 n/a - n/a
Cross sections
 ATLAS_2021_I1852328 13000 28 0 28
CMS_2020_I1814328 13000 n/a - n/a


n/a indicates that the χ2 value is unavailable, typically due to mismatched binning between theoretical and MC histograms or other issues.



The page data is based on 120 histograms.