Generator / tune

Details for Pythia 6.427 z2-lep 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 1.8* -0.10 1.7*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 4.6* -0.20 4.4*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 7.1 -0.70 6.4
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.9 -0.20 2.7
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 4.7 -0.50 4.2
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.7 -0.10 2.6
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 3.7* -1.1 2.6*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 3.2* -0.60 2.6*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.4* -0.46 0.94*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 2.6* -0.60 2.0*
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 0.73 +0.25 0.98*
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 4.7 -0.50 4.2
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.1* -0.10 2.0*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 5.1 -0.40 4.7
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.3* -0.30 2.0*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 10 -1.4 8.6
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 3.0 -0.50 2.5
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 5.7 -0.60 5.1
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.7 -0.10 2.6
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 6.3 -0.60 5.7
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 2.1 -0.10 2.0
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 4.7 -0.60 4.1
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 3.0 -0.30 2.7
Jet rapidity
ATLAS_2017_I1514251 13000 9.4 +1.6 11
ATLAS_2019_I1744201 8000 9.4* - 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 18 -4.0 14
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 5.4 +0.20 5.6
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 1.9* +0.10 2.0*
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 2.2* +0.20 2.4*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 35 +8.0 43
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.50 +0.31 0.81
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 300* - n/a
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1866118 13000 3.4 +2.0 5.4
pT balance (jet, Z)
CMS_2021_I1866118 13000 5.2 +0.60 5.8
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 8.8 - n/a
pT balance (dijet, Z)
CMS_2021_I1866118 13000 9.2 -2.3 6.9

* 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.