Generator / tune

Details for Pythia 6.427 365 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 2.5* -0.90 1.6*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 3.4* -0.90 2.5*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 11 -2.1 8.9
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 4.8 -0.50 4.3
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 6.8* -1.4 5.4
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 4.2 -0.60 3.6
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 4.7* -0.70 4.0*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 4.1* -0.40 3.7*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.4* +0.50 1.9*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 3.2* -0.30 2.9*
Jet pT
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 88 - n/a
Jet pT ratio
CMS_2020_I1776758 13000 2.5* -1.1 1.4
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 6.6 -0.60 6.0
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 3.2* -0.20 3.0*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 6.6 -0.80 5.8
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 3.2* -0.60 2.6*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 14 -4.0 10
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 5.3 -1.1 4.2
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 7.6 -1.8 5.8
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 4.2 -1.1 3.1
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 9.4* -1.9 7.5*
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 4.1 -0.40 3.7
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 6.4 -1.4 5.0
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 4.5 -0.80 3.7
Jet rapidity
ATLAS_2017_I1514251 13000 11 -1.9 9.1
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 17* -3.0 14*
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 4.9 -2.4 2.5
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 9.9* -4.7 5.2*
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 7.3* -3.7 3.6*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 62 - n/a
CMS_2020_I1837084 13000 37 +8.0 45
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 1.6* +1.6 3.2*
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 n/a - n/a
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1866118 13000 2.2 -1.3 0.91
pT balance (jet, Z)
CMS_2021_I1866118 13000 4.0 -0.60 3.4
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 130 - n/a
Δφ (dijet, Z)
CMS_2021_I1866118 13000 4.1 -2.4 1.7
pT balance (dijet, Z)
CMS_2021_I1866118 13000 6.2 -4.3 1.9

* 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.