Generator / tune

Details for Pythia 8.308 CP5

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5%
Underlying event
 <Nch> vs pTZ
 ATLAS_2019_I1736531 13000 1.3*
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 4.0*
<pT> vs Nch
 CDF_2010_I849042 1960 n/a
Transverse
 <pT> vs pTlead
 CDF_2010_I849042 1960 8.6
Toward
 <pT> vs pTlead
 CDF_2010_I849042 1960 7.6
Underlying event
 <pT> vs pTZ
 ATLAS_2019_I1736531 13000 5.3*
<pT>Z vs Nch
 CDF_2010_I849042 1960 n/a
Underlying event
 Σ(pT) vs pTZ
 ATLAS_2019_I1736531 13000 5.5
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 2.7*
Jet Substructure
 Splitting scale d0
 ATLAS_2017_I1589844 8000 13
Jet Substructure
 Splitting scale d1
 ATLAS_2017_I1589844 8000 18*
Jet Substructure
 Splitting scale d2
 ATLAS_2017_I1589844 8000 17
Jet Substructure
 Splitting scale d3
 ATLAS_2017_I1589844 8000 13*
Jet Substructure
 Splitting scale d4
 ATLAS_2017_I1589844 8000 9.5*
Jet Substructure
 Splitting scale d5
 ATLAS_2017_I1589844 8000 8.7*
Jet Substructure
 Splitting scale d6
 ATLAS_2017_I1589844 8000 7.6*
Jet Substructure
 Splitting scale d7
 ATLAS_2017_I1589844 8000 6.3
Dilepton
 Δη
 ATLAS_2016_I1467454 8000 3.4
Dilepton
 m
 ATLAS_2019_I1725190 13000 n/a
Dilepton
 φ*η
 CMS_2019_I1753680 13000 6.2
CMS_2022_I2079374 13000 6.1
D0_2010_I871787 1960 1.7*
LHCB_2012_I1208102 7000 11
LHCB_2021_I1990313 13000 11*
Dilepton
 φ*η ratio
 CMS_2022_I2079374 13000 1.4*
ll.phiStar_norm
 ATLAS_2019_I1768911 13000 3.8
CMS_2019_I1753680 13000 8.9
Dilepton
 pT
 LHCB_2021_I1990313 13000 9.2
Dilepton
 y
 LHCB_2021_I1990313 13000 8.1
Transverse
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 67
Toward
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 24
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 2.3*
Away
 <Nch> vs pTlead
 CDF_2010_I849042 1960 2.0
Transverse
 <Nch> vs pTlead
 CDF_2010_I849042 1960 2.0
nch-vs-pt-trnsDif
 CDF_2010_I849042 1960 3.3
TransMAX
 <Nch> vs pTlead
 CDF_2010_I849042 1960 2.7
TransMIN
 <Nch> vs pTlead
 CDF_2010_I849042 1960 n/a
Toward
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.6
Jet Multiplicities
 Jet multiplicity
 CMS_EWK_10_012 7000 55
Jet Multiplicities
 Ratios of jet multiplicity
 CMS_EWK_10_012 7000 13
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 2.4*
Away
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 1.0
Transverse
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 23
sumpt-vs-pt-trnsDif
 CDF_2010_I849042 1960 17
TransMAX
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 23
TransMIN
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 n/a
Toward
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 15
z.m
 PHENIX_2019_I1672015 200 110,000,000
pT Z
 CDF_2000_I505738 1800 21
CDF_2012_I1124333 1960 28
CMS_2019_I1753680 13000 n/a
CMS_2022_I2079374 13000 12
D0_2010_I856972 1960 15
PHENIX_2019_I1672015 200 52,000,000
z.pt._z.pt
 CMS_2022_I2079374 13000 0.81*
z.pt_norm
 ATLAS_2011_I917931 7000 3.4
ATLAS_2019_I1768911 13000 n/a
CMS_2019_I1753680 13000 n/a
D0_2010_I856972 1960 2.3
y Z
 ATLAS_2016_I1467454 8000 3.9
CMS_2019_I1753680 13000 4.7
LHCB_2012_I1208102 7000 9.2
z.y_norm
 CMS_2019_I1753680 13000 0.48

* 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.