Generator / tune

Details for Pythia 6.427 371 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 0.97* +0.030 1.0*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 3.6* -0.60 3.0*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 0.61 +0.080 0.69
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.2 +0.30 1.5
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 0.61 0 0.61
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 0.96 +0.24 1.2
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 2.0 +0.60 2.6*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.3 +0.30 1.6*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 3.9* +1.1 5.0*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 3.0* +1.4 4.4*
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 n/a - 0.82*
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.6 +0.30 1.9
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.4* +0.80 3.2*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.3 +0.30 1.6
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.8* +0.80 2.6*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 1.6 -0.80 0.80
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.1 +0.100 1.2
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.00 -0.30 0.70
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.87 +0.100 0.97
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 0.74 -0.15 0.59
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.1 +0.100 1.2
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 0.70 -0.090 0.61
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 0.93 +0.27 1.2
Jet rapidity
ATLAS_2017_I1514251 13000 14 +4.0 18
ATLAS_2019_I1744201 8000 82* - 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 17* +7.0 24
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 7.2 -0.10 7.1
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 1.3* -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 28 +14 42
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.47 +1.0 1.5
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 3.3 +1.2 4.5
pT balance (jet, Z)
CMS_2021_I1866118 13000 3.8 +1.5 5.3
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 9.6 -5.9 3.7
pT balance (dijet, Z)
CMS_2021_I1866118 13000 12 -4.0 8.0

* 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.