Generator / tune

Details for Pythia 6.427 370 vs. 6.428

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (6.427) Δ χ2+5% (6.428)
Underlying event
<pT>
ATLAS_2019_I1736531 13000 2.4* -0.90 1.5*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 4.4* -0.20 4.2*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 3.4 -1.2 2.2
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.3 -0.38 0.92
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.6 -0.90 1.7
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.3 -0.30 1.0
Jet mass
Jet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 n/a - n/a
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.0* -0.050 0.95*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.5* -0.20 1.3*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.0* +0.60 1.6*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 0.92* +0.28 1.2*
Jet pT
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
Jet pT ratio
CMS_2020_I1776758 13000 0.57 -0.17 0.40
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.7 -0.50 1.2
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.89* +0.090 0.98*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.2 -0.60 1.6
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.97* -0.070 0.90*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 6.0 -2.4 3.6
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.5 -0.51 0.99
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 3.3 -1.2 2.1
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.6 -0.50 1.1
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 3.5 -1.3 2.2
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.0 -0.28 0.72
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.5 -0.90 1.6
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.6 -0.50 1.1
Jet rapidity
ATLAS_2017_I1514251 13000 10 -0.40 9.6
ATLAS_2019_I1744201 8000 67* - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
Dijet
ΔR
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 40* -27 13
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 4.7 +2.1 6.8
Dijet
Δy
ATLAS_2020_I1788444 13000 n/a - n/a
Jet mass
Dijet mass
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
Dijet
pT
ATLAS_2020_I1788444 13000 n/a - n/a
Dijet
pT ratio to m
ATLAS_2020_I1788444 13000 n/a - n/a
Underlying event
Nch
ATLAS_2019_I1736531 13000 1.7* -0.60 1.1*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
njets_njets
ATLAS_2017_I1514251 13000 n/a - n/a
Underlying event
Scalar Σ(pT)
ATLAS_2019_I1736531 13000 2.0* -0.70 1.3*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 33 +9.0 42
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.97* -0.100 0.87
y Z
ATLAS_2020_I1788444 13000 n/a - n/a
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 n/a - n/a
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1866118 13000 2.8 -2.0 0.85
pT balance (jet, Z)
CMS_2021_I1866118 13000 1.9 -0.30 1.6
Δy (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
HT(Z+jets)
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
Δφ (dijet, Z)
CMS_2021_I1866118 13000 5.1 -1.4 3.7
pT balance (dijet, Z)
CMS_2021_I1866118 13000 4.1 +2.9 7.0

* 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 1430 histograms.