Generator / tune

Details for Pythia 8.313 CP2-CR2 vs. 8.315

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5% (8.313) Δ χ2+5% (8.315)
Underlying event
<Nch> vs pTZ
ATLAS_2019_I1736531 13000 - 1.0
Underlying event
<pT>
ATLAS_2019_I1736531 13000 - 4.1*
Underlying event
<pT> vs pTZ
ATLAS_2019_I1736531 13000 - 1.8
Underlying event
Σ(pT) vs pTZ
ATLAS_2019_I1736531 13000 - 2.5
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 - 7.6
Jet Substructure
Splitting scale d0
ATLAS_2017_I1589844 8000 - 17
Jet Substructure
Splitting scale d1
ATLAS_2017_I1589844 8000 - 18
Jet Substructure
Splitting scale d2
ATLAS_2017_I1589844 8000 - 13
Jet Substructure
Splitting scale d3
ATLAS_2017_I1589844 8000 - 11

* 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 195 histograms.