Generator / tune

Details for Pythia 6.427 364 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* -0.60 1.8*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 3.6* -0.60 3.0*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 11 -2.5 8.5
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 4.7 -0.90 3.8
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 6.6 -1.6 5.0
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 4.1 -0.60 3.5
Jet mass
Jet mass
CMS_2013_I1224539 7000 80* - n/a
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 6.8* - n/a
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 140* - n/a
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 59* - n/a
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 4.8* -1.2 3.6
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 3.8* -0.70 3.1*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.7* -0.40 1.3*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 2.4* +0.10 2.5*
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 1.6 -0.99 0.61*
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 7.0 -2.0 5.0
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 3.4* -0.90 2.5*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 7.1 -2.3 4.8
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 3.1* -0.70 2.4*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 14 -3.0 11
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 4.8 -0.90 3.9
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 7.4 -2.1 5.3
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 3.5 -0.40 3.1
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 9.0 -1.9 7.1
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 3.7 -0.60 3.1
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 6.2 -1.4 4.8
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 4.1 -0.60 3.5
Jet rapidity
ATLAS_2017_I1514251 13000 11 +1.0 12
ATLAS_2019_I1744201 8000 n/a - 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 21 -3.0 18
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 2.8 +2.1 4.9
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 5.9* -1.3 4.6*
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 4.4* -0.70 3.7*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 38 +11 49
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 1.6 +1.1 2.7
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 2.9 -1.0 1.9
pT balance (jet, Z)
CMS_2021_I1866118 13000 7.0 -4.6 2.4
Δy (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
HT(Z+jets)
ATLAS_2017_I1514251 13000 14* - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
Δφ (dijet, Z)
CMS_2021_I1866118 13000 2.8 +4.5 7.3
pT balance (dijet, Z)
CMS_2021_I1866118 13000 4.2 +2.9 7.1

* 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.