Generator / tune

Details for Pythia 8.308 CP1-CR1

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5%
Underlying event
<Nch> vs pTZ
ATLAS_2019_I1736531 13000 0.59
Underlying event
<pT>
ATLAS_2019_I1736531 13000 2.8*
<pT> vs Nch
CDF_2010_I849042 1960 n/a
Transverse
<pT> vs pTlead
CDF_2010_I849042 1960 6.6
Toward
<pT> vs pTlead
CDF_2010_I849042 1960 3.9
Underlying event
<pT> vs pTZ
ATLAS_2019_I1736531 13000 1.6
<pT>Z vs Nch
CDF_2010_I849042 1960 n/a
Underlying event
Σ(pT) vs pTZ
ATLAS_2019_I1736531 13000 1.5
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 3.1*
Jet Substructure
Splitting scale d0
ATLAS_2017_I1589844 8000 13
Jet Substructure
Splitting scale d1
ATLAS_2017_I1589844 8000 14
Jet Substructure
Splitting scale d2
ATLAS_2017_I1589844 8000 10
Jet Substructure
Splitting scale d3
ATLAS_2017_I1589844 8000 9.0
Jet Substructure
Splitting scale d4
ATLAS_2017_I1589844 8000 8.6
Jet Substructure
Splitting scale d5
ATLAS_2017_I1589844 8000 8.1
Jet Substructure
Splitting scale d6
ATLAS_2017_I1589844 8000 7.6
Jet Substructure
Splitting scale d7
ATLAS_2017_I1589844 8000 7.3
Dilepton
Δη
ATLAS_2016_I1467454 8000 3.7
Dilepton
m
ATLAS_2019_I1725190 13000 n/a
Dilepton
φ*η
CMS_2019_I1753680 13000 15
CMS_2022_I2079374 13000 9.5
D0_2010_I871787 1960 0.87*
LHCB_2012_I1208102 7000 7.4
LHCB_2021_I1990313 13000 13*
Dilepton
φ*η ratio
CMS_2022_I2079374 13000 0.83*
ll.phiStar_norm
ATLAS_2019_I1768911 13000 0.86
CMS_2019_I1753680 13000 1.5
Dilepton
pT
LHCB_2021_I1990313 13000 13
Dilepton
y
LHCB_2021_I1990313 13000 21
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 16
Toward
Max(pT) vs pTlead
CDF_2010_I849042 1960 6.0
Underlying event
Nch
ATLAS_2019_I1736531 13000 2.1*
Away
<Nch> vs pTlead
CDF_2010_I849042 1960 1.6
Transverse
<Nch> vs pTlead
CDF_2010_I849042 1960 0.52
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 1.1
TransMAX
<Nch> vs pTlead
CDF_2010_I849042 1960 0.71
TransMIN
<Nch> vs pTlead
CDF_2010_I849042 1960 0.64
Toward
<Nch> vs pTlead
CDF_2010_I849042 1960 1.1
Jet Multiplicities
Jet multiplicity
CMS_EWK_10_012 7000 9.1
Jet Multiplicities
Ratios of jet multiplicity
CMS_EWK_10_012 7000 3.7
Underlying event
Scalar Σ(pT)
ATLAS_2019_I1736531 13000 2.3*
Away
Σ(pT) vs pTlead
CDF_2010_I849042 1960 1.7
Transverse
Σ(pT) vs pTlead
CDF_2010_I849042 1960 2.9
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 5.2
TransMAX
Σ(pT) vs pTlead
CDF_2010_I849042 1960 3.8
TransMIN
Σ(pT) vs pTlead
CDF_2010_I849042 1960 3.4
Toward
Σ(pT) vs pTlead
CDF_2010_I849042 1960 2.8
z.m
PHENIX_2019_I1672015 200 160,000,000
pT Z
CDF_2000_I505738 1800 19
CDF_2012_I1124333 1960 21
CMS_2019_I1753680 13000 9.0*
CMS_2022_I2079374 13000 8.9
D0_2010_I856972 1960 9.6
PHENIX_2019_I1672015 200 79,000,000
z.pt._z.pt
CMS_2022_I2079374 13000 1.0
z.pt_norm
ATLAS_2011_I917931 7000 0.83
ATLAS_2019_I1768911 13000 n/a
CMS_2019_I1753680 13000 0.95*
D0_2010_I856972 1960 0.56
y Z
ATLAS_2016_I1467454 8000 4.1
CMS_2019_I1753680 13000 21
LHCB_2012_I1208102 7000 12
z.y_norm
CMS_2019_I1753680 13000 0.40

* 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.