Generator

Details for Pythia 6.423 default vs. a

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5% (default) Δ χ2+5% (a)
Jet Substructure
Splitting scale d0
ATLAS_2017_I1589844 8000 n/a - n/a
Jet Substructure
Splitting scale d1
ATLAS_2017_I1589844 8000 n/a - n/a
Jet Substructure
Splitting scale d2
ATLAS_2017_I1589844 8000 n/a - n/a
Jet Substructure
Splitting scale d3
ATLAS_2017_I1589844 8000 n/a - n/a
Jet Substructure
Splitting scale d4
ATLAS_2017_I1589844 8000 n/a - n/a
Jet Substructure
Splitting scale d5
ATLAS_2017_I1589844 8000 n/a - n/a
Jet Substructure
Splitting scale d6
ATLAS_2017_I1589844 8000 n/a - n/a
Jet Substructure
Splitting scale d7
ATLAS_2017_I1589844 8000 n/a - n/a
Dilepton
Δη
ATLAS_2016_I1467454 8000 n/a - 9.6*
Dilepton
m
ATLAS_2019_I1725190 13000 n/a - n/a
Dilepton
φ*η
CMS_2022_I2079374 13000 37* +4.0 41*
D0_2010_I871787 1960 n/a - 16*
LHCB_2012_I1208102 7000 15 +1.0 16
Dilepton
φ*η ratio
CMS_2022_I2079374 13000 4.3* 0 4.3*
Jet Multiplicities
Jet multiplicity
CMS_EWK_10_012 7000 100* -4.0 96
Jet Multiplicities
Ratios of jet multiplicity
CMS_EWK_10_012 7000 24* -3.0 21
z.m
PHENIX_2019_I1672015 200 n/a - 46
pT Z
CDF_2000_I505738 1800 n/a - n/a
CDF_2012_I1124333 1960 n/a - n/a
CMS_2022_I2079374 13000 n/a - 78*
D0_2010_I856972 1960 n/a - 19
PHENIX_2019_I1672015 200 n/a - 220
z.pt._z.pt
CMS_2022_I2079374 13000 n/a - n/a
z.pt_norm
ATLAS_2011_I917931 7000 10 +1.0 11
D0_2010_I856972 1960 n/a - 19
y Z
ATLAS_2016_I1467454 8000 n/a - 10*
LHCB_2012_I1208102 7000 8.0 +1.2 9.2

* 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.