Generator

Details for Pythia 8.303 default

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5%
Underlying event
 <Nch> vs pTZ
 ATLAS_2019_I1736531 13000 0.90
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 3.5*
<pT> vs Nch
 CDF_2010_I849042 1960 3.2*
Transverse
 <pT> vs pTlead
 CDF_2010_I849042 1960 5.5
Toward
 <pT> vs pTlead
 CDF_2010_I849042 1960 6.2
Underlying event
 <pT> vs pTZ
 ATLAS_2019_I1736531 13000 2.5
<pT>Z vs Nch
 CDF_2010_I849042 1960 1.5
Underlying event
 Σ(pT) vs pTZ
 ATLAS_2019_I1736531 13000 6.6
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 2.2*
Jet Substructure
 Splitting scale d0
 ATLAS_2017_I1589844 8000 24
Jet Substructure
 Splitting scale d1
 ATLAS_2017_I1589844 8000 27
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 25
Jet Substructure
 Splitting scale d5
 ATLAS_2017_I1589844 8000 24
Jet Substructure
 Splitting scale d6
 ATLAS_2017_I1589844 8000 23*
Jet Substructure
 Splitting scale d7
 ATLAS_2017_I1589844 8000 23
Dilepton
 Δη
 ATLAS_2016_I1467454 8000 18
Dilepton
 m
 ATLAS_2019_I1725190 13000 n/a
Dilepton
 φ*η
 CMS_2019_I1753680 13000 30
CMS_2022_I2079374 13000 30
D0_2010_I871787 1960 1.6*
LHCB_2012_I1208102 7000 9.8
LHCB_2021_I1990313 13000 14*
Dilepton
 φ*η ratio
 CMS_2022_I2079374 13000 0.75*
ll.phiStar_norm
 ATLAS_2019_I1768911 13000 0.99
CMS_2019_I1753680 13000 1.3
Dilepton
 pT
 LHCB_2021_I1990313 13000 13
Dilepton
 y
 LHCB_2021_I1990313 13000 21
Transverse
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 8.5
Toward
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 12
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 2.3*
Away
 <Nch> vs pTlead
 CDF_2010_I849042 1960 0.74
Transverse
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.2
nch-vs-pt-trnsDif
 CDF_2010_I849042 1960 0.74
TransMAX
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.0
TransMIN
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.8
Toward
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.6
Jet Multiplicities
 Jet multiplicity
 CMS_EWK_10_012 7000 16
Jet Multiplicities
 Ratios of jet multiplicity
 CMS_EWK_10_012 7000 4.5
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 2.5*
Away
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 0.55
Transverse
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 4.8
sumpt-vs-pt-trnsDif
 CDF_2010_I849042 1960 4.6
TransMAX
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 4.7
TransMIN
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 3.4
Toward
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 3.9
z.m
 PHENIX_2019_I1672015 200 150,000,000
pT Z
 CDF_2000_I505738 1800 11
CDF_2012_I1124333 1960 11
CMS_2019_I1753680 13000 18*
CMS_2022_I2079374 13000 22
D0_2010_I856972 1960 3.0
PHENIX_2019_I1672015 200 65,000,000
z.pt._z.pt
 CMS_2022_I2079374 13000 0.88*
z.pt_norm
 ATLAS_2011_I917931 7000 0.64
ATLAS_2019_I1768911 13000 n/a
CMS_2019_I1753680 13000 1.0*
D0_2010_I856972 1960 1.7
y Z
 ATLAS_2016_I1467454 8000 19
CMS_2019_I1753680 13000 49
LHCB_2012_I1208102 7000 13
z.y_norm
 CMS_2019_I1753680 13000 0.45

* 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.