Generator

Details for Pythia 6.425 default vs. 350

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5% (default) Δ χ2+5% (350)
Jet Substructure
Splitting scale d0
ATLAS_2017_I1589844 8000 35 - n/a
Jet Substructure
Splitting scale d1
ATLAS_2017_I1589844 8000 36* - n/a
Jet Substructure
Splitting scale d2
ATLAS_2017_I1589844 8000 29* - n/a
Jet Substructure
Splitting scale d3
ATLAS_2017_I1589844 8000 28* - n/a
Jet Substructure
Splitting scale d4
ATLAS_2017_I1589844 8000 28* - n/a
Jet Substructure
Splitting scale d5
ATLAS_2017_I1589844 8000 28* - n/a
Jet Substructure
Splitting scale d6
ATLAS_2017_I1589844 8000 30* - n/a
Jet Substructure
Splitting scale d7
ATLAS_2017_I1589844 8000 31* - n/a
Dilepton
Δη
ATLAS_2016_I1467454 8000 n/a - 35*
Dilepton
m
ATLAS_2019_I1725190 13000 n/a - n/a
Dilepton
φ*η
CMS_2022_I2079374 13000 67* -37 30*
D0_2010_I871787 1960 14* - n/a
LHCB_2012_I1208102 7000 15 -6.7 8.3
Dilepton
φ*η ratio
CMS_2022_I2079374 13000 n/a - 2.2*
Jet Multiplicities
Jet multiplicity
CMS_EWK_10_012 7000 94* -80 14
Jet Multiplicities
Ratios of jet multiplicity
CMS_EWK_10_012 7000 24* -19 4.6
z.m
PHENIX_2019_I1672015 200 62 - n/a
pT Z
CDF_2000_I505738 1800 15 -4.0 11
CDF_2012_I1124333 1960 n/a - n/a
CMS_2022_I2079374 13000 86* -69 17*
D0_2010_I856972 1960 18 - n/a
PHENIX_2019_I1672015 200 140 - n/a
z.pt._z.pt
CMS_2022_I2079374 13000 n/a - 1.6*
z.pt_norm
ATLAS_2011_I917931 7000 9.0 -8.3 0.66
D0_2010_I856972 1960 16 - n/a
y Z
ATLAS_2016_I1467454 8000 n/a - 37*
LHCB_2012_I1208102 7000 7.8 +2.2 10

* 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 264 histograms.