Generator / tune

Details for Pythia 8.308 CP2-CR2 vs. 8.313

pp/ppbar → 4-lepton


Observable Reference Energy χ2+5% (8.308) Δ χ2+5% (8.313)
m(4l)
ATLAS_2019_I1720442 13000 13 0 13
ATLAS_2021_I1849535 13000 17 0 17
Dilepton
Δφ
ATLAS_2021_I1849535 13000 12 +1.0 13
Dilepton
m
ATLAS_2021_I1849535 13000 31* -4.0 27*
Dilepton
pT
ATLAS_2021_I1849535 13000 19 0 19
Dilepton
cosθ*
ATLAS_2021_I1849535 13000 19 0 19
Lepton pairs
Δφ
ATLAS_2021_I1849535 13000 17 +1.0 18
Lepton pairs
Δy
ATLAS_2021_I1849535 13000 47 +1.0 48

* several "n/a" histograms were excluded from the calculation



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 124 histograms.