Generator / tune

Details for Pythia 6.427 348 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 1.2* -0.100 1.1*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 3.5* -0.50 3.0*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 0.84 +0.090 0.93
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.3 +0.40 1.7
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 0.68 +0.080 0.76
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 0.84 +0.56 1.4
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 2.7* +1.5 4.2*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.4* +0.90 2.3*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 4.8* +2.4 7.2*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 3.7* +2.2 5.9*
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 2.0 -0.90 1.1*
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 2.0 +0.70 2.7
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.9* +1.1 4.0*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.6 +0.60 2.2
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.0* +0.90 2.9*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 1.8 -0.82 0.98
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.0 +0.30 1.3
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.2 -0.28 0.92
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.91 +0.19 1.1
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 0.94 -0.28 0.66
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.0 +0.50 1.5
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 0.92 -0.20 0.72
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 0.97 +0.33 1.3
Jet rapidity
ATLAS_2017_I1514251 13000 14 +1.0 15
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 35 -12 23
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 10 -2.7 7.3
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 1.2* -0.100 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 1.6* -0.30 1.3*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 17 +10 27
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.47 +0.22 0.69
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 +1.2 4.1
pT balance (jet, Z)
CMS_2021_I1866118 13000 5.1 +0.10 5.2
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 40 -35 5.2
pT balance (dijet, Z)
CMS_2021_I1866118 13000 14 -7.9 6.1

* 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.