Generator / tune

Details for Pythia 8.315 qcdcr2

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5%
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 5.9*
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 11*
Generalized angularities
 LHA λ10.5
 CMS_2021_I1920187 13000 3.0
Generalized angularities
 LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 1.1
Generalized angularities
 Groomed LHA λ10.5
 CMS_2021_I1920187 13000 2.1
Generalized angularities
 Groomed LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 1.2
Jet mass
 Jet mass
 CMS_2013_I1224539 7000 35
Jet mass
 Filtered jet mass
 CMS_2013_I1224539 7000 270
Jet mass
 Pruned jet mass
 CMS_2013_I1224539 7000 100
Jet mass
 Trimmed jet mass
 CMS_2013_I1224539 7000 260
Generalized angularities
 Multiplicity λ00
 CMS_2021_I1920187 13000 1.4*
Generalized angularities
 Groomed multiplicity λ00
 CMS_2021_I1920187 13000 1.6*
Generalized angularities
 Multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 0.92*
Generalized angularities
 Groomed multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 0.96*
Jet pT
 ATLAS_2017_I1514251 13000 n/a
ATLAS_2020_I1788444 13000 130
ATLAS_2022_I2077570 13000 110
Jet pT ratio
 CMS_2020_I1776758 13000 0.42*
CMS_2021_I1847230 8000 n/a
Generalized angularities
 (pDT)2 λ20
 CMS_2021_I1920187 13000 1.6
Generalized angularities
 (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 0.96*
Generalized angularities
 Groomed (pDT)2 λ20
 CMS_2021_I1920187 13000 2.2
Generalized angularities
 Groomed (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 1.2*
Generalized angularities
 Thrust λ12
 CMS_2021_I1920187 13000 4.6
Generalized angularities
 Thrust λ12 (charged only)
 CMS_2021_I1920187 13000 1.1
Generalized angularities
 Groomed thrust λ12
 CMS_2021_I1920187 13000 3.0
Generalized angularities
 Groomed thrust λ12 (charged only)
 CMS_2021_I1920187 13000 1.3
Generalized angularities
 Width λ11
 CMS_2021_I1920187 13000 2.7
Generalized angularities
 Width λ11 (charged only)
 CMS_2021_I1920187 13000 0.86
Generalized angularities
 Groomed width λ11
 CMS_2021_I1920187 13000 2.4
Generalized angularities
 Groomed width λ11 (charged only)
 CMS_2021_I1920187 13000 1.3
Jet rapidity
 ATLAS_2017_I1514251 13000 24
ATLAS_2019_I1744201 8000 42
ATLAS_2020_I1788444 13000 170
Dijet
 ΔR
 ATLAS_2020_I1788444 13000 84
CMS_2021_I1847230 8000 n/a
Dijet
 Δφ
 ATLAS_2017_I1514251 13000 28
ATLAS_2020_I1788444 13000 70
ΔrelpT(jets)
 CMS_2021_I1866118 13000 19
Dijet
 Δy
 ATLAS_2020_I1788444 13000 84
Jet mass
 Dijet mass
 ATLAS_2017_I1514251 13000 n/a
ATLAS_2020_I1788444 13000 67
Dijet
 pT
 ATLAS_2020_I1788444 13000 76
Dijet
 pT ratio to m
 ATLAS_2020_I1788444 13000 84
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 1.6*
Jet Multiplicities
 Jet multiplicity
 ATLAS_2017_I1514251 13000 n/a
ATLAS_2020_I1788444 13000 300
ATLAS_2022_I2077570 13000 n/a
njets_njets
 ATLAS_2017_I1514251 13000 n/a
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 2.6*
pT Z
 ATLAS_2020_I1788444 13000 160
ATLAS_2022_I2077570 13000 60
CMS_2020_I1837084 13000 18
pT(Z) to pT(jet) ratio
 ATLAS_2022_I2077570 13000 n/a
Dilepton
 pT ratio
 CMS_2020_I1776758 13000 1.6
y Z
 ATLAS_2020_I1788444 13000 150
ΔR (jet, Z)
 ATLAS_2020_I1788444 13000 430
ΔRmin (jet, Z)
 ATLAS_2022_I2077570 13000 200
Δφ (jet, Z)
 ATLAS_2020_I1788444 13000 510
CMS_2021_I1866118 13000 17
pT balance (jet, Z)
 CMS_2021_I1866118 13000 23
Δy (jet, Z)
 ATLAS_2020_I1788444 13000 200
HT(Z+jets)
 ATLAS_2017_I1514251 13000 n/a
ATLAS_2022_I2077570 13000 140
Δφ (dijet, Z)
 CMS_2021_I1866118 13000 11
pT balance (dijet, Z)
 CMS_2021_I1866118 13000 15

* 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 715 histograms.