Generator

Details for Pythia 8.165 default vs. tune-4cx

pp/ppbar → Top (t-channel)


Observable Reference Energy χ2+5% (default) Δ χ2+5% (tune-4cx)
Lepton pT
CMS_2019_I1744604 13000 2.3 +0.20 2.5
Charge ratio
pT(lepton)
CMS_2019_I1744604 13000 0.32 -0.070 0.25
Lepton rapidity
CMS_2019_I1744604 13000 0.98 -0.050 0.93
Charge ratio
y(lepton)
CMS_2019_I1744604 13000 0.25 -0.040 0.21
Top pT
CMS_2019_I1744604 13000 1.8 -0.40 1.4
Charge ratio
pT(top)
CMS_2019_I1744604 13000 0.38 +0.060 0.44
cosθ*pol
CMS_2019_I1744604 13000 3.4 +0.60 4.0
Top rapidity
CMS_2019_I1744604 13000 0.83 +0.090 0.92
Charge ratio
y(top)
CMS_2019_I1744604 13000 0.34 -0.070 0.27
pT(W)
CMS_2019_I1744604 13000 0.84 +0.070 0.91
Charge ratio
pT(W)
CMS_2019_I1744604 13000 0.39 +0.090 0.48


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 34 histograms.