Generator / tune

Details for Pythia 8.308 CP2-CR2

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5%
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 2.7*
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 5.6
Generalized angularities
 LHA λ10.5
 CMS_2021_I1920187 13000 3.1
Generalized angularities
 LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 1.3
Generalized angularities
 Groomed LHA λ10.5
 CMS_2021_I1920187 13000 2.3
Generalized angularities
 Groomed LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 1.5
Jet mass
 Jet mass
 CMS_2013_I1224539 7000 26*
Jet mass
 Filtered jet mass
 CMS_2013_I1224539 7000 83
Jet mass
 Pruned jet mass
 CMS_2013_I1224539 7000 59*
Jet mass
 Trimmed jet mass
 CMS_2013_I1224539 7000 72*
Generalized angularities
 Multiplicity λ00
 CMS_2021_I1920187 13000 1.8*
Generalized angularities
 Groomed multiplicity λ00
 CMS_2021_I1920187 13000 1.8*
Generalized angularities
 Multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 0.93*
Generalized angularities
 Groomed multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 1.0*
Jet pT
 ATLAS_2020_I1788444 13000 31
ATLAS_2022_I2077570 13000 n/a
Jet pT ratio
 CMS_2021_I1847230 8000 n/a
Generalized angularities
 (pDT)2 λ20
 CMS_2021_I1920187 13000 2.6
Generalized angularities
 (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 1.3*
Generalized angularities
 Groomed (pDT)2 λ20
 CMS_2021_I1920187 13000 3.0
Generalized angularities
 Groomed (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 1.5*
Generalized angularities
 Thrust λ12
 CMS_2021_I1920187 13000 3.6
Generalized angularities
 Thrust λ12 (charged only)
 CMS_2021_I1920187 13000 0.90
Generalized angularities
 Groomed thrust λ12
 CMS_2021_I1920187 13000 2.7
Generalized angularities
 Groomed thrust λ12 (charged only)
 CMS_2021_I1920187 13000 1.3
Generalized angularities
 Width λ11
 CMS_2021_I1920187 13000 2.5
Generalized angularities
 Width λ11 (charged only)
 CMS_2021_I1920187 13000 0.94
Generalized angularities
 Groomed width λ11
 CMS_2021_I1920187 13000 2.3
Generalized angularities
 Groomed width λ11 (charged only)
 CMS_2021_I1920187 13000 1.4
Jet rapidity
 ATLAS_2019_I1744201 8000 32
ATLAS_2020_I1788444 13000 50
Dijet
 ΔR
 ATLAS_2020_I1788444 13000 18
CMS_2021_I1847230 8000 n/a
Dijet
 Δφ
 ATLAS_2020_I1788444 13000 12
Dijet
 Δy
 ATLAS_2020_I1788444 13000 16
Jet mass
 Dijet mass
 ATLAS_2020_I1788444 13000 n/a
Dijet
 pT
 ATLAS_2020_I1788444 13000 n/a
Dijet
 pT ratio to m
 ATLAS_2020_I1788444 13000 12
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 1.6*
Jet Multiplicities
 Jet multiplicity
 ATLAS_2020_I1788444 13000 93
ATLAS_2022_I2077570 13000 n/a
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 1.6*
pT Z
 ATLAS_2020_I1788444 13000 34*
ATLAS_2022_I2077570 13000 47
CMS_2020_I1837084 13000 12
pT(Z) to pT(jet) ratio
 ATLAS_2022_I2077570 13000 n/a
y Z
 ATLAS_2020_I1788444 13000 42
ΔR (jet, Z)
 ATLAS_2020_I1788444 13000 95
ΔRmin (jet, Z)
 ATLAS_2022_I2077570 13000 200
Δφ (jet, Z)
 ATLAS_2020_I1788444 13000 120
Δy (jet, Z)
 ATLAS_2020_I1788444 13000 56
HT(Z+jets)
 ATLAS_2022_I2077570 13000 82

* 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 663 histograms.