Generator / tune

Details for Pythia 8.308 CP5-CR1 vs. 8.313

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5% (8.308) Δ χ2+5% (8.313)
Underlying event
 <Nch> vs pTZ
 ATLAS_2019_I1736531 13000 1.6 -
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 9.7* -
<pT> vs Nch
 CDF_2010_I849042 1960 2.9* -
Transverse
 <pT> vs pTlead
 CDF_2010_I849042 1960 7.4 -
Toward
 <pT> vs pTlead
 CDF_2010_I849042 1960 5.2 -
Underlying event
 <pT> vs pTZ
 ATLAS_2019_I1736531 13000 4.6 -
<pT>Z vs Nch
 CDF_2010_I849042 1960 n/a -
Underlying event
 Σ(pT) vs pTZ
 ATLAS_2019_I1736531 13000 7.0 -
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 6.2* -
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 16 -
Jet Substructure
 Splitting scale d3
 ATLAS_2017_I1589844 8000 13 -
Jet Substructure
 Splitting scale d4
 ATLAS_2017_I1589844 8000 10.0 -
Jet Substructure
 Splitting scale d5
 ATLAS_2017_I1589844 8000 8.5* -
Jet Substructure
 Splitting scale d6
 ATLAS_2017_I1589844 8000 7.3* -
Jet Substructure
 Splitting scale d7
 ATLAS_2017_I1589844 8000 6.4 -
Dilepton
 Δη
 ATLAS_2016_I1467454 8000 3.9 -
Dilepton
 m
 ATLAS_2019_I1725190 13000 n/a -
Dilepton
 φ*η
 CMS_2019_I1753680 13000 n/a -
CMS_2022_I2079374 13000 5.8 -
D0_2010_I871787 1960 1.7* -
LHCB_2012_I1208102 7000 13 -
LHCB_2021_I1990313 13000 18* -
Dilepton
 φ*η ratio
 CMS_2022_I2079374 13000 0.73* -
ll.phiStar_norm
 ATLAS_2019_I1768911 13000 4.5 -
CMS_2019_I1753680 13000 n/a -
Dilepton
 pT
 LHCB_2021_I1990313 13000 15 -
Dilepton
 y
 LHCB_2021_I1990313 13000 16 -
Transverse
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 12 -
Toward
 Max(pT) vs pTlead
 CDF_2010_I849042 1960 11 -
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 3.4* -
Away
 <Nch> vs pTlead
 CDF_2010_I849042 1960 0.82 -
Transverse
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.2 -
nch-vs-pt-trnsDif
 CDF_2010_I849042 1960 1.3 -
TransMAX
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.2 -
TransMIN
 <Nch> vs pTlead
 CDF_2010_I849042 1960 1.8 -
Toward
 <Nch> vs pTlead
 CDF_2010_I849042 1960 3.8 -
Jet Multiplicities
 Jet multiplicity
 CMS_EWK_10_012 7000 45 -
Jet Multiplicities
 Ratios of jet multiplicity
 CMS_EWK_10_012 7000 12 -
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 2.9* -
Away
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 0.51 -
Transverse
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 4.3 -
sumpt-vs-pt-trnsDif
 CDF_2010_I849042 1960 5.9 -
TransMAX
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 5.2 -
TransMIN
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 6.7 -
Toward
 Σ(pT) vs pTlead
 CDF_2010_I849042 1960 9.4 -
z.m
 PHENIX_2019_I1672015 200 61,000,000 -
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 25,000,000 -
z.pt._z.pt
 CMS_2022_I2079374 13000 1.1* -
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 2.0 -
y Z
 ATLAS_2016_I1467454 8000 4.7 -
CMS_2019_I1753680 13000 6.4 -
LHCB_2012_I1208102 7000 9.1 -
z.y_norm
 CMS_2019_I1753680 13000 0.47 -

* 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 469 histograms.