Generator / tune

Details for Pythia 6.426 z1-lep vs. 6.427

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (6.426) Δ χ2+5% (6.427)
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 1.6* +0.90 2.5*
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 4.1* +1.7 5.8*
Generalized angularities
 LHA λ10.5
 CMS_2021_I1920187 13000 5.3 +1.6 6.9
Generalized angularities
 LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 2.2 +0.40 2.6
Generalized angularities
 Groomed LHA λ10.5
 CMS_2021_I1920187 13000 3.9 +1.0 4.9
Generalized angularities
 Groomed LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 2.3 +0.40 2.7
Jet mass
 Jet mass
 CMS_2013_I1224539 7000 34* - n/a
Jet mass
 Filtered jet mass
 CMS_2013_I1224539 7000 37* - n/a
Jet mass
 Pruned jet mass
 CMS_2013_I1224539 7000 130* - n/a
Jet mass
 Trimmed jet mass
 CMS_2013_I1224539 7000 47* - n/a
Generalized angularities
 Multiplicity λ00
 CMS_2021_I1920187 13000 1.7* +1.1 2.8*
Generalized angularities
 Groomed multiplicity λ00
 CMS_2021_I1920187 13000 2.1* +1.0 3.1*
Generalized angularities
 Multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 0.91* +0.010 0.92*
Generalized angularities
 Groomed multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 1.7* +0.40 2.1*
Jet pT
 ATLAS_2017_I1514251 13000 5.7* - 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 0.46* +0.24 0.70*
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
 (pDT)2 λ20
 CMS_2021_I1920187 13000 2.6 +2.0 4.6
Generalized angularities
 (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 1.3* +0.60 1.9*
Generalized angularities
 Groomed (pDT)2 λ20
 CMS_2021_I1920187 13000 3.3 +2.2 5.5
Generalized angularities
 Groomed (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 1.5* +0.60 2.1*
Generalized angularities
 Thrust λ12
 CMS_2021_I1920187 13000 8.5 +0.80 9.3
Generalized angularities
 Thrust λ12 (charged only)
 CMS_2021_I1920187 13000 2.0 +0.40 2.4
Generalized angularities
 Groomed thrust λ12
 CMS_2021_I1920187 13000 5.2 +0.30 5.5
Generalized angularities
 Groomed thrust λ12 (charged only)
 CMS_2021_I1920187 13000 2.6 0 2.6
Generalized angularities
 Width λ11
 CMS_2021_I1920187 13000 5.0 +0.90 5.9
Generalized angularities
 Width λ11 (charged only)
 CMS_2021_I1920187 13000 1.5 +0.50 2.0
Generalized angularities
 Groomed width λ11
 CMS_2021_I1920187 13000 3.9 +0.70 4.6
Generalized angularities
 Groomed width λ11 (charged only)
 CMS_2021_I1920187 13000 2.7 +0.100 2.8
Jet rapidity
 ATLAS_2017_I1514251 13000 13 0 13
ATLAS_2019_I1744201 8000 63* -37 26*
ATLAS_2020_I1788444 13000 27 - n/a
Dijet
 ΔR
 ATLAS_2020_I1788444 13000 19 - n/a
CMS_2021_I1847230 8000 n/a - n/a
Dijet
 Δφ
 ATLAS_2017_I1514251 13000 33 -11 22
ATLAS_2020_I1788444 13000 15 - n/a
ΔrelpT(jets)
 CMS_2021_I1866118 13000 9.6 -3.9 5.7
Dijet
 Δy
 ATLAS_2020_I1788444 13000 17 - 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 1.2* +0.40 1.6*
Jet Multiplicities
 Jet multiplicity
 ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 90 - 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 1.5* +0.20 1.7*
pT Z
 ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 64 - n/a
CMS_2020_I1837084 13000 34 +3.0 37
pT(Z) to pT(jet) ratio
 ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
 pT ratio
 CMS_2020_I1776758 13000 1.3 -1.2 0.062*
y Z
 ATLAS_2020_I1788444 13000 24 - n/a
ΔR (jet, Z)
 ATLAS_2020_I1788444 13000 70 - n/a
ΔRmin (jet, Z)
 ATLAS_2022_I2077570 13000 n/a - n/a
Δφ (jet, Z)
 ATLAS_2020_I1788444 13000 85 - n/a
CMS_2021_I1866118 13000 2.6 +3.7 6.3
pT balance (jet, Z)
 CMS_2021_I1866118 13000 4.9 +2.7 7.6
Δy (jet, Z)
 ATLAS_2020_I1788444 13000 42 - n/a
HT(Z+jets)
 ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2022_I2077570 13000 110 - n/a
Δφ (dijet, Z)
 CMS_2021_I1866118 13000 n/a - 7.2
pT balance (dijet, Z)
 CMS_2021_I1866118 13000 5.4 +1.6 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.