Generator / tune

Details for Pythia 8.315 dire-default

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5%
Underlying event
 <Nch> vs pTZ
 ATLAS_2019_I1736531 13000 6.3
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 7.9*
<pT> vs Nch
 CDF_2010_I849042 1960 20
Transverse
 <pT> vs pTlead
 CDF_2010_I849042 1960 15
Toward
 <pT> vs pTlead
 CDF_2010_I849042 1960 5.5
Underlying event
 <pT> vs pTZ
 ATLAS_2019_I1736531 13000 7.2
<pT>Z vs Nch
 CDF_2010_I849042 1960 30
Underlying event
 Σ(pT) vs pTZ
 ATLAS_2019_I1736531 13000 20
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 4.8*
Jet Substructure
 Splitting scale d0
 ATLAS_2017_I1589844 8000 45
Jet Substructure
 Splitting scale d1
 ATLAS_2017_I1589844 8000 47*
Jet Substructure
 Splitting scale d2
 ATLAS_2017_I1589844 8000 39*
Jet Substructure
 Splitting scale d3
 ATLAS_2017_I1589844 8000 34*
Jet Substructure
 Splitting scale d4
 ATLAS_2017_I1589844 8000 39*
Jet Substructure
 Splitting scale d5
 ATLAS_2017_I1589844 8000 37
Jet Substructure
 Splitting scale d6
 ATLAS_2017_I1589844 8000 34
Jet Substructure
 Splitting scale d7
 ATLAS_2017_I1589844 8000 32
Dilepton
 Δη
 ATLAS_2016_I1467454 8000 15
Dilepton
 m
 ATLAS_2019_I1725190 13000 n/a
Dilepton
 φ*η
 CMS_2019_I1753680 13000 66
CMS_2022_I2079374 13000 48
D0_2010_I871787 1960 1.6*
LHCB_2012_I1208102 7000 9.4
LHCB_2021_I1990313 13000 23*
Dilepton
 φ*η ratio
 CMS_2022_I2079374 13000 4.6*
ll.phiStar_norm
 ATLAS_2019_I1768911 13000 15
CMS_2019_I1753680 13000 38
Dilepton
 pT
 LHCB_2021_I1990313 13000 24
Dilepton
 y
 LHCB_2021_I1990313 13000 23
Transverse
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 29
Toward
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 6.9
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 10
Away
 <Nch> vs pTlead
 CDF_2010_I849042 1960 13
Transverse
 <Nch> vs pTlead
 CDF_2010_I849042 1960 21
nch-vs-pt-trnsDif
 CDF_2010_I849042 1960 9.9
TransMAX
 <Nch> vs pTlead
 CDF_2010_I849042 1960 19
TransMIN
 <Nch> vs pTlead
 CDF_2010_I849042 1960 31
Toward
 <Nch> vs pTlead
 CDF_2010_I849042 1960 31
Jet Multiplicities
 Jet multiplicity
 CMS_EWK_10_012 7000 n/a
Jet Multiplicities
 Ratios of jet multiplicity
 CMS_EWK_10_012 7000 n/a
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 13
Away
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 7.3
Transverse
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 14
sumpt-vs-pt-trnsDif
 CDF_2010_I849042 1960 12
TransMAX
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 13
TransMIN
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 23
Toward
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 19
z.m
 PHENIX_2019_I1672015 200 n/a
pT Z
 CDF_2000_I505738 1800 9.2
CDF_2012_I1124333 1960 12
CMS_2019_I1753680 13000 69
CMS_2022_I2079374 13000 76
D0_2010_I856972 1960 4.5
PHENIX_2019_I1672015 200 n/a
z.pt._z.pt
 CMS_2022_I2079374 13000 11
z.pt_norm
 ATLAS_2011_I917931 7000 3.9
ATLAS_2019_I1768911 13000 19
CMS_2019_I1753680 13000 20
D0_2010_I856972 1960 1.3
y Z
 ATLAS_2016_I1467454 8000 16
CMS_2019_I1753680 13000 47
LHCB_2012_I1208102 7000 8.5
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.