Generator / tune

Details for Pythia 6.427 363 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 2.0* -0.30 1.7*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 3.8* -0.20 3.6*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 10 -2.0 8.0
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 4.2 -1.0 3.2
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 6.1 -0.90 5.2
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 3.8 -0.70 3.1
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 4.2* -1.2 3.0*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 3.4* -0.50 2.9*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.4* -0.20 1.2*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 2.7* -0.20 2.5*
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 0.33* +0.87 1.2*
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 6.0 -1.2 4.8
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.9* -0.70 2.2*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 6.5 -1.8 4.7
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.8* -0.50 2.3*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 13 -3.9 9.1
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 4.1 -1.2 2.9
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 6.6 -1.3 5.3
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 3.4 -0.80 2.6
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 8.3 -2.1 6.2
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 3.2 -0.50 2.7
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 5.8 -1.2 4.6
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 3.9 -0.70 3.2
Jet rapidity
ATLAS_2017_I1514251 13000 9.6 +1.4 11
ATLAS_2019_I1744201 8000 23* - 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 -3.0 14
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 4.0 -0.20 3.8
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 5.0* -2.0 3.0*
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 4.0* -1.2 2.8*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 32 +14 46
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 1.4 -0.48 0.92
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 1.5 +0.90 2.4
pT balance (jet, Z)
CMS_2021_I1866118 13000 3.5 0 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 3.4 -0.50 2.9
pT balance (dijet, Z)
CMS_2021_I1866118 13000 5.3 -1.6 3.7

* 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.