Generator / tune

Details for Pythia 6.427 362 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 1.9* -0.30 1.6*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 4.0* -0.70 3.3*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 9.4 -1.6 7.8
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 4.0 -0.70 3.3
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 6.0 -1.1 4.9
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 3.7 -0.70 3.0
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 3.9* -0.30 3.6*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 3.4* -0.80 2.6*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.6* 0 1.6*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 3.3* -0.60 2.7*
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 1.4 -0.30 1.1
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 5.6 -1.1 4.5
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.7* -0.40 2.3*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 5.7 -1.3 4.4
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.6* -0.40 2.2*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 12 -2.7 9.3
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 3.8 -0.70 3.1
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 6.9 -1.7 5.2
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 3.5 -0.90 2.6
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 7.6 -1.4 6.2
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 3.1 -0.30 2.8
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 5.6 -1.0 4.6
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 4.0 -0.90 3.1
Jet rapidity
ATLAS_2017_I1514251 13000 9.1 +1.9 11
ATLAS_2019_I1744201 8000 24* - 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 10 +7.0 17
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 2.6 +4.5 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 3.7* -1.0 2.7*
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 3.3* -0.70 2.6*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 36 +9.0 45
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 2.7* -1.5 1.2
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 110* - n/a
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1866118 13000 2.3 +0.20 2.5
pT balance (jet, Z)
CMS_2021_I1866118 13000 3.5 +0.40 3.9
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 3.0 +2.8 5.8
pT balance (dijet, Z)
CMS_2021_I1866118 13000 3.4 +3.3 6.7

* 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.