Generator / tune

Details for Pythia 8.315 qcdcr2

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5%
Underlying event
<Nch> vs pTZ
ATLAS_2019_I1736531 13000 1.1
Underlying event
<pT>
ATLAS_2019_I1736531 13000 8.1*
<pT> vs Nch
CDF_2010_I849042 1960 3.3
Transverse
<pT> vs pTlead
CDF_2010_I849042 1960 10
Toward
<pT> vs pTlead
CDF_2010_I849042 1960 5.4
Underlying event
<pT> vs pTZ
ATLAS_2019_I1736531 13000 3.5
<pT>Z vs Nch
CDF_2010_I849042 1960 0.99
Underlying event
Σ(pT) vs pTZ
ATLAS_2019_I1736531 13000 7.1
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 9.8*
Jet Substructure
Splitting scale d0
ATLAS_2017_I1589844 8000 27
Jet Substructure
Splitting scale d1
ATLAS_2017_I1589844 8000 29
Jet Substructure
Splitting scale d2
ATLAS_2017_I1589844 8000 28
Jet Substructure
Splitting scale d3
ATLAS_2017_I1589844 8000 26
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 23
Jet Substructure
Splitting scale d7
ATLAS_2017_I1589844 8000 21
Dilepton
Δη
ATLAS_2016_I1467454 8000 20
Dilepton
m
ATLAS_2019_I1725190 13000 n/a
Dilepton
φ*η
CMS_2019_I1753680 13000 49
CMS_2022_I2079374 13000 35
D0_2010_I871787 1960 2.6*
LHCB_2012_I1208102 7000 9.6
LHCB_2021_I1990313 13000 23*
Dilepton
φ*η ratio
CMS_2022_I2079374 13000 0.99
ll.phiStar_norm
ATLAS_2019_I1768911 13000 1.3
CMS_2019_I1753680 13000 1.9
Dilepton
pT
LHCB_2021_I1990313 13000 26
Dilepton
y
LHCB_2021_I1990313 13000 33
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 23
Toward
Max(pT) vs pTlead
CDF_2010_I849042 1960 9.4
Underlying event
Nch
ATLAS_2019_I1736531 13000 2.7*
Away
<Nch> vs pTlead
CDF_2010_I849042 1960 1.5
Transverse
<Nch> vs pTlead
CDF_2010_I849042 1960 2.0
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 2.4
TransMAX
<Nch> vs pTlead
CDF_2010_I849042 1960 2.4
TransMIN
<Nch> vs pTlead
CDF_2010_I849042 1960 3.7
Toward
<Nch> vs pTlead
CDF_2010_I849042 1960 3.2
Jet Multiplicities
Jet multiplicity
CMS_EWK_10_012 7000 7.2
Jet Multiplicities
Ratios of jet multiplicity
CMS_EWK_10_012 7000 2.8
Underlying event
Scalar Σ(pT)
ATLAS_2019_I1736531 13000 4.1
Away
Σ(pT) vs pTlead
CDF_2010_I849042 1960 0.99
Transverse
Σ(pT) vs pTlead
CDF_2010_I849042 1960 10
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 9.2
TransMAX
Σ(pT) vs pTlead
CDF_2010_I849042 1960 10
TransMIN
Σ(pT) vs pTlead
CDF_2010_I849042 1960 6.5
Toward
Σ(pT) vs pTlead
CDF_2010_I849042 1960 4.6
z.m
PHENIX_2019_I1672015 200 820,000,000
pT Z
CDF_2000_I505738 1800 11
CDF_2012_I1124333 1960 11
CMS_2019_I1753680 13000 40*
CMS_2022_I2079374 13000 28
D0_2010_I856972 1960 3.0
PHENIX_2019_I1672015 200 430,000,000
z.pt._z.pt
CMS_2022_I2079374 13000 1.0
z.pt_norm
ATLAS_2011_I917931 7000 0.84
ATLAS_2019_I1768911 13000 n/a
CMS_2019_I1753680 13000 1.0*
D0_2010_I856972 1960 1.9
y Z
ATLAS_2016_I1467454 8000 21
CMS_2019_I1753680 13000 60
LHCB_2012_I1208102 7000 14
z.y_norm
CMS_2019_I1753680 13000 0.74

* 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.