Generator

Details for Pythia 8.235 default vs. default-CD

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (default) Δ χ2+5% (default-CD)
Underlying event
<pT>
ATLAS_2019_I1736531 13000 2.3* -0.60 1.7*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 4.2* +0.50 4.7*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 2.9 -0.20 2.7
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.3 -0.20 1.1
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.1 0 2.1
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.5 -0.30 1.2
Jet mass
Jet mass
CMS_2013_I1224539 7000 9.9* - n/a
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 96* - n/a
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 40* - n/a
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 n/a - n/a
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.0* +0.10 1.1*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.4* 0 1.4*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.4* -0.100 1.3*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.2* -0.23 0.97*
Jet pT
ATLAS_2017_I1514251 13000 n/a - 20*
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
Jet pT ratio
CMS_2020_I1776758 13000 0.87 +0.33 1.2
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.5 +0.10 1.6
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.87* -0.030 0.84*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.9 +0.20 2.1
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.0* -0.030 0.97*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 4.7 -0.50 4.2
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.2 -0.100 1.1
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.8 -0.20 2.6
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.4 -0.20 1.2
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 2.8 -0.20 2.6
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 0.95 -0.14 0.81
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.2 -0.10 2.1
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.5 -0.30 1.2
Jet rapidity
ATLAS_2017_I1514251 13000 31 -2.0 29
ATLAS_2019_I1744201 8000 55* -32 23*
ATLAS_2020_I1788444 13000 n/a - 43
Dijet
ΔR
ATLAS_2020_I1788444 13000 n/a - 12
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 58 -19 39
ATLAS_2020_I1788444 13000 n/a - 15
ΔrelpT(jets)
CMS_2021_I1866118 13000 29 -5.0 24
Dijet
Δy
ATLAS_2020_I1788444 13000 n/a - 14
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 0.96* +0.14 1.1*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - 100
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 1.5* 0 1.5*
pT Z
ATLAS_2020_I1788444 13000 n/a - 17*
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 19 0 19
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.53 -0.070 0.46
y Z
ATLAS_2020_I1788444 13000 n/a - 37
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 n/a - 66
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 n/a - n/a
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - 84
CMS_2021_I1866118 13000 21 0 21
pT balance (jet, Z)
CMS_2021_I1866118 13000 22 +7.0 29
Δy (jet, Z)
ATLAS_2020_I1788444 13000 n/a - 51
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 n/a - n/a
pT balance (dijet, Z)
CMS_2021_I1866118 13000 20 +1.0 21

* 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.