Generator / tune

Details for Pythia 8.308 tune-monash13 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 - 0.80
Underlying event
<pT>
ATLAS_2019_I1736531 13000 - 2.8*
<pT> vs Nch
CDF_2010_I849042 1960 - n/a
Transverse
<pT> vs pTlead
CDF_2010_I849042 1960 - 8.5
Toward
<pT> vs pTlead
CDF_2010_I849042 1960 - 7.0
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 - 5.6
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 - 1.2*
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 - 27
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 - 22
Dilepton
Δη
ATLAS_2016_I1467454 8000 - 18
Dilepton
m
ATLAS_2019_I1725190 13000 - n/a
Dilepton
φ*η
CMS_2019_I1753680 13000 - 29
CMS_2022_I2079374 13000 - 31
D0_2010_I871787 1960 - 1.5*
LHCB_2012_I1208102 7000 - 8.1
LHCB_2021_I1990313 13000 - 12*
Dilepton
φ*η ratio
CMS_2022_I2079374 13000 - 0.80*
ll.phiStar_norm
ATLAS_2019_I1768911 13000 - 1.4
CMS_2019_I1753680 13000 - 1.4
Dilepton
pT
LHCB_2021_I1990313 13000 - 13
Dilepton
y
LHCB_2021_I1990313 13000 - 20
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 - 17
Toward
Max(pT) vs pTlead
CDF_2010_I849042 1960 - 12
Underlying event
Nch
ATLAS_2019_I1736531 13000 - 1.8*
Away
<Nch> vs pTlead
CDF_2010_I849042 1960 - 1.6
Transverse
<Nch> vs pTlead
CDF_2010_I849042 1960 - 2.5
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 - 2.9
TransMAX
<Nch> vs pTlead
CDF_2010_I849042 1960 - 3.0
TransMIN
<Nch> vs pTlead
CDF_2010_I849042 1960 - 2.0
Toward
<Nch> vs pTlead
CDF_2010_I849042 1960 - 2.3
Jet Multiplicities
Jet multiplicity
CMS_EWK_10_012 7000 - 9.3
Jet Multiplicities
Ratios of jet multiplicity
CMS_EWK_10_012 7000 - 4.5
Underlying event
Scalar Σ(pT)
ATLAS_2019_I1736531 13000 - 2.2*
Away
Σ(pT) vs pTlead
CDF_2010_I849042 1960 - 1.0
Transverse
Σ(pT) vs pTlead
CDF_2010_I849042 1960 - 9.0
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 - 21
TransMAX
Σ(pT) vs pTlead
CDF_2010_I849042 1960 - 13
TransMIN
Σ(pT) vs pTlead
CDF_2010_I849042 1960 - 5.2
Toward
Σ(pT) vs pTlead
CDF_2010_I849042 1960 - 4.1
z.m
PHENIX_2019_I1672015 200 - 130,000,000
pT Z
CDF_2000_I505738 1800 - 11
CDF_2012_I1124333 1960 - 11
CMS_2019_I1753680 13000 - 18*
CMS_2022_I2079374 13000 - 24
D0_2010_I856972 1960 - 3.0
PHENIX_2019_I1672015 200 - 70,000,000
z.pt._z.pt
CMS_2022_I2079374 13000 - 0.70*
z.pt_norm
ATLAS_2011_I917931 7000 - 0.83
ATLAS_2019_I1768911 13000 - n/a
CMS_2019_I1753680 13000 - 0.97*
D0_2010_I856972 1960 - 1.6
y Z
ATLAS_2016_I1467454 8000 - 19
CMS_2019_I1753680 13000 - 49
LHCB_2012_I1208102 7000 - 11
z.y_norm
CMS_2019_I1753680 13000 - 0.93

* 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.