Generator / tune

Details for Pythia 6.427 373 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 1.3* -0.52 0.78*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 4.2* -0.60 3.6*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 3.1 -1.2 1.9
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.2 -0.37 0.83
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.2 -0.80 1.4
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.4 -0.52 0.88
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 1.2* -0.53 0.67*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.5* -0.57 0.93*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.1* +0.60 1.7*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.2* +0.30 1.5*
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 0.48* -0.30 0.18*
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.4 -0.49 0.91
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.82* +0.070 0.89*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.9 -0.80 1.1
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.87* +0.100 0.97*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 5.3 -2.5 2.8
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.2 -0.43 0.77
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 3.3 -1.5 1.8
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.6 -0.61 0.99
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 3.2 -1.3 1.9
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.0 -0.25 0.75
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.4 -1.0 1.4
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.5 -0.53 0.97
Jet rapidity
ATLAS_2017_I1514251 13000 5.2 +1.5 6.7
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 11* +2.0 13
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 3.4 -0.40 3.0
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 1.0* 0 1.0*
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 1.3* -0.10 1.2*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 22 +10 32
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 1.5 -0.50 1.0
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 0.77 +1.3 2.1
pT balance (jet, Z)
CMS_2021_I1866118 13000 3.1 +0.40 3.5
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 2.3 +0.40 2.7
pT balance (dijet, Z)
CMS_2021_I1866118 13000 3.2 -1.2 2.0

* 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.