Generator

Details for Pythia 8.313 default vs. default-CD

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5% (default) Δ χ2+5% (default-CD)
Underlying event
 <Nch> vs pTZ
 ATLAS_2019_I1736531 13000 - 0.78
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 - 3.8*
<pT> vs Nch
 CDF_2010_I849042 1960 - 2.3*
Transverse
 <pT> vs pTlead
 CDF_2010_I849042 1960 - 5.3
Toward
 <pT> vs pTlead
 CDF_2010_I849042 1960 - 2.5
Underlying event
 <pT> vs pTZ
 ATLAS_2019_I1736531 13000 - 2.4
<pT>Z vs Nch
 CDF_2010_I849042 1960 - n/a
Underlying event
 Σ(pT) vs pTZ
 ATLAS_2019_I1736531 13000 - 6.0
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 - 3.0*
Jet Substructure
 Splitting scale d0
 ATLAS_2017_I1589844 8000 - 22
Jet Substructure
 Splitting scale d1
 ATLAS_2017_I1589844 8000 - 25
Jet Substructure
 Splitting scale d2
 ATLAS_2017_I1589844 8000 - 25*
Jet Substructure
 Splitting scale d3
 ATLAS_2017_I1589844 8000 - 25
Jet Substructure
 Splitting scale d4
 ATLAS_2017_I1589844 8000 - 24
Jet Substructure
 Splitting scale d5
 ATLAS_2017_I1589844 8000 - 23*
Jet Substructure
 Splitting scale d6
 ATLAS_2017_I1589844 8000 - 22*
Jet Substructure
 Splitting scale d7
 ATLAS_2017_I1589844 8000 - 22
Dilepton
 Δη
 ATLAS_2016_I1467454 8000 - 19
Dilepton
 m
 ATLAS_2019_I1725190 13000 - n/a
Dilepton
 φ*η
 CMS_2019_I1753680 13000 - 33
CMS_2022_I2079374 13000 - 30
D0_2010_I871787 1960 - 1.3*
LHCB_2012_I1208102 7000 - 8.5
LHCB_2021_I1990313 13000 - 16*
Dilepton
 φ*η ratio
 CMS_2022_I2079374 13000 - 0.87*
ll.phiStar_norm
 ATLAS_2019_I1768911 13000 - 1.1
CMS_2019_I1753680 13000 - 1.9
Dilepton
 pT
 LHCB_2021_I1990313 13000 - 16
Dilepton
 y
 LHCB_2021_I1990313 13000 - 24
Transverse
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 - 8.7
Toward
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 - 3.9
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 - 2.2*
Away
 <Nch> vs pTlead
 CDF_2010_I849042 1960 - 1.6
Transverse
 <Nch> vs pTlead
 CDF_2010_I849042 1960 - 1.8
nch-vs-pt-trnsDif
 CDF_2010_I849042 1960 - 1.4
TransMAX
 <Nch> vs pTlead
 CDF_2010_I849042 1960 - 1.7
TransMIN
 <Nch> vs pTlead
 CDF_2010_I849042 1960 - 1.9
Toward
 <Nch> vs pTlead
 CDF_2010_I849042 1960 - 1.9
Jet Multiplicities
 Jet multiplicity
 CMS_EWK_10_012 7000 - 7.0
Jet Multiplicities
 Ratios of jet multiplicity
 CMS_EWK_10_012 7000 - 3.0
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 - 2.6*
Away
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 - 1.3
Transverse
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 - 5.1
sumpt-vs-pt-trnsDif
 CDF_2010_I849042 1960 - 5.0
TransMAX
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 - 5.2
TransMIN
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 - 3.2
Toward
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 - 1.9
z.m
 PHENIX_2019_I1672015 200 - 210,000,000
pT Z
 CDF_2000_I505738 1800 - 11
CDF_2012_I1124333 1960 - 11
CMS_2019_I1753680 13000 - 28*
CMS_2022_I2079374 13000 - 24
D0_2010_I856972 1960 - 3.0
PHENIX_2019_I1672015 200 - 100,000,000
z.pt._z.pt
 CMS_2022_I2079374 13000 - 0.72*
z.pt_norm
 ATLAS_2011_I917931 7000 - 0.77
ATLAS_2019_I1768911 13000 - n/a
CMS_2019_I1753680 13000 - 1.00*
D0_2010_I856972 1960 - 1.9
y Z
 ATLAS_2016_I1467454 8000 - 19
CMS_2019_I1753680 13000 - 52
LHCB_2012_I1208102 7000 - 12
z.y_norm
 CMS_2019_I1753680 13000 - 0.55

* 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 473 histograms.