Generator / tune

Details for Pythia 8.315 qcdcr0

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5%
Underlying event
 <Nch> vs pTZ
 ATLAS_2019_I1736531 13000 1.5
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 19*
<pT> vs Nch
 CDF_2010_I849042 1960 8.0
Transverse
 <pT> vs pTlead
 CDF_2010_I849042 1960 7.8
Toward
 <pT> vs pTlead
 CDF_2010_I849042 1960 5.1
Underlying event
 <pT> vs pTZ
 ATLAS_2019_I1736531 13000 4.8
<pT>Z vs Nch
 CDF_2010_I849042 1960 1.8
Underlying event
 Σ(pT) vs pTZ
 ATLAS_2019_I1736531 13000 6.5
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 29
Jet Substructure
 Splitting scale d0
 ATLAS_2017_I1589844 8000 27
Jet Substructure
 Splitting scale d1
 ATLAS_2017_I1589844 8000 31
Jet Substructure
 Splitting scale d2
 ATLAS_2017_I1589844 8000 29
Jet Substructure
 Splitting scale d3
 ATLAS_2017_I1589844 8000 28
Jet Substructure
 Splitting scale d4
 ATLAS_2017_I1589844 8000 26
Jet Substructure
 Splitting scale d5
 ATLAS_2017_I1589844 8000 26
Jet Substructure
 Splitting scale d6
 ATLAS_2017_I1589844 8000 24
Jet Substructure
 Splitting scale d7
 ATLAS_2017_I1589844 8000 23
Dilepton
 Δη
 ATLAS_2016_I1467454 8000 20
Dilepton
 m
 ATLAS_2019_I1725190 13000 n/a
Dilepton
 φ*η
 CMS_2019_I1753680 13000 54
CMS_2022_I2079374 13000 34
D0_2010_I871787 1960 2.5*
LHCB_2012_I1208102 7000 8.4
LHCB_2021_I1990313 13000 25*
Dilepton
 φ*η ratio
 CMS_2022_I2079374 13000 0.91*
ll.phiStar_norm
 ATLAS_2019_I1768911 13000 1.4
CMS_2019_I1753680 13000 2.2
Dilepton
 pT
 LHCB_2021_I1990313 13000 29
Dilepton
 y
 LHCB_2021_I1990313 13000 34
Transverse
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 11
Toward
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 7.9
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 6.2*
Away
 <Nch> vs pTlead
 CDF_2010_I849042 1960 2.1
Transverse
 <Nch> vs pTlead
 CDF_2010_I849042 1960 2.9
nch-vs-pt-trnsDif
 CDF_2010_I849042 1960 1.8
TransMAX
 <Nch> vs pTlead
 CDF_2010_I849042 1960 2.9
TransMIN
 <Nch> vs pTlead
 CDF_2010_I849042 1960 5.2
Toward
 <Nch> vs pTlead
 CDF_2010_I849042 1960 3.6
Jet Multiplicities
 Jet multiplicity
 CMS_EWK_10_012 7000 8.4
Jet Multiplicities
 Ratios of jet multiplicity
 CMS_EWK_10_012 7000 3.9
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 5.0
Away
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 0.67
Transverse
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 2.9
sumpt-vs-pt-trnsDif
 CDF_2010_I849042 1960 5.5
TransMAX
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 3.7
TransMIN
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 4.1
Toward
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 2.6
z.m
 PHENIX_2019_I1672015 200 860,000,000
pT Z
 CDF_2000_I505738 1800 11
CDF_2012_I1124333 1960 11
CMS_2019_I1753680 13000 48*
CMS_2022_I2079374 13000 28
D0_2010_I856972 1960 3.0
PHENIX_2019_I1672015 200 490,000,000
z.pt._z.pt
 CMS_2022_I2079374 13000 1.3
z.pt_norm
 ATLAS_2011_I917931 7000 0.73
ATLAS_2019_I1768911 13000 n/a
CMS_2019_I1753680 13000 1.1
D0_2010_I856972 1960 1.9
y Z
 ATLAS_2016_I1467454 8000 21
CMS_2019_I1753680 13000 63
LHCB_2012_I1208102 7000 12
z.y_norm
 CMS_2019_I1753680 13000 0.59

* 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.