Generator

Details for Pythia 8.245 default-CD vs. default-DL

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5% (default-CD) Δ χ2+5% (default-DL)
Underlying event
 <Nch> vs pTZ
 ATLAS_2019_I1736531 13000 n/a - 1.8*
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 n/a - 1.5*
<pT> vs Nch
 CDF_2010_I849042 1960 n/a - n/a
Transverse
 <pT> vs pTlead
 CDF_2010_I849042 1960 5.5 - n/a
Toward
 <pT> vs pTlead
 CDF_2010_I849042 1960 6.5 - n/a
Underlying event
 <pT> vs pTZ
 ATLAS_2019_I1736531 13000 n/a - 2.2*
<pT>Z vs Nch
 CDF_2010_I849042 1960 n/a - n/a
Underlying event
 Σ(pT) vs pTZ
 ATLAS_2019_I1736531 13000 n/a - 4.5
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 n/a - 1.2*
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 5.5* +21 26*
Dilepton
 m
 ATLAS_2019_I1725190 13000 n/a - n/a
Dilepton
 φ*η
 CMS_2019_I1753680 13000 n/a - 25*
CMS_2022_I2079374 13000 n/a - n/a
D0_2010_I871787 1960 n/a - n/a
LHCB_2012_I1208102 7000 6.9 +1.4 8.3
LHCB_2021_I1990313 13000 n/a - 8.5*
Dilepton
 φ*η ratio
 CMS_2022_I2079374 13000 n/a - 1.3*
ll.phiStar_norm
 ATLAS_2019_I1768911 13000 n/a - 1.4
CMS_2019_I1753680 13000 n/a - 2.0
Dilepton
 pT
 LHCB_2021_I1990313 13000 n/a - 7.8*
Dilepton
 y
 LHCB_2021_I1990313 13000 n/a - 11
Transverse
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 21 - n/a
Toward
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 33 - n/a
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 n/a - 1.6*
Away
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.5 - n/a
Transverse
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.7 - n/a
nch-vs-pt-trnsDif
 CDF_2010_I849042 1960 1.1 - n/a
TransMAX
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.2 - n/a
TransMIN
 <Nch> vs pTlead
 CDF_2010_I849042 1960 n/a - n/a
Toward
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.5 - n/a
Jet Multiplicities
 Jet multiplicity
 CMS_EWK_10_012 7000 14 -4.9 9.1
Jet Multiplicities
 Ratios of jet multiplicity
 CMS_EWK_10_012 7000 5.2 -2.5 2.7
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 n/a - 1.9*
Away
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 0.92 - n/a
Transverse
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 8.4 - n/a
sumpt-vs-pt-trnsDif
 CDF_2010_I849042 1960 8.4 - n/a
TransMAX
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 8.9 - n/a
TransMIN
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 n/a - n/a
Toward
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 6.6 - n/a
z.m
 PHENIX_2019_I1672015 200 n/a - n/a
pT Z
 CDF_2000_I505738 1800 n/a - n/a
CDF_2012_I1124333 1960 n/a - n/a
CMS_2019_I1753680 13000 n/a - n/a
CMS_2022_I2079374 13000 n/a - n/a
D0_2010_I856972 1960 n/a - n/a
PHENIX_2019_I1672015 200 n/a - n/a
z.pt._z.pt
 CMS_2022_I2079374 13000 n/a - 3.1*
z.pt_norm
 ATLAS_2011_I917931 7000 0.62 +0.040 0.66
ATLAS_2019_I1768911 13000 n/a - n/a
CMS_2019_I1753680 13000 n/a - n/a
D0_2010_I856972 1960 n/a - n/a
y Z
 ATLAS_2016_I1467454 8000 4.8* +23 28*
CMS_2019_I1753680 13000 n/a - 36
LHCB_2012_I1208102 7000 10 +2.0 12
z.y_norm
 CMS_2019_I1753680 13000 n/a - 0.45

* 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 946 histograms.