Generator

Details for Pythia 8.306 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 4.0* -0.10 3.9*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 7.4* -0.10 7.3
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 2.4 +0.50 2.9
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.0 +0.20 1.2
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.9 +0.20 2.1
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1 +0.30 1.4
Jet mass
Jet mass
CMS_2013_I1224539 7000 21 +2.0 23
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 100 +10 110
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 60* +5.0 65
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 74 +56 130
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.1* +0.30 1.4*
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 1.2* 0 1.2*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.2* 0 1.2*
Jet pT
ATLAS_2017_I1514251 13000 14* - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - 75
Jet pT ratio
CMS_2020_I1776758 13000 0.87 +0.010 0.88
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.3 +0.20 1.5
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.94 +0.010 0.95*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.7 +0.40 2.1
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.1* 0 1.1*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 3.9 +0.60 4.5
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.0 +0.10 1.1
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.3 +0.70 3.0
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.1 +0.20 1.3
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 2.4 +0.30 2.7
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 0.78 +0.13 0.91
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.8 +0.40 2.2
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.2 +0.20 1.4
Jet rapidity
ATLAS_2017_I1514251 13000 28 +3.0 31
ATLAS_2019_I1744201 8000 41 -1.0 40
ATLAS_2020_I1788444 13000 66 +8.0 74
Dijet
ΔR
ATLAS_2020_I1788444 13000 23 +2.0 25
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 44 -16 28
ATLAS_2020_I1788444 13000 21 -3.0 18
ΔrelpT(jets)
CMS_2021_I1866118 13000 23 +5.0 28
Dijet
Δy
ATLAS_2020_I1788444 13000 24 0 24
Jet mass
Dijet mass
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - 19
Dijet
pT
ATLAS_2020_I1788444 13000 n/a - 25
Dijet
pT ratio to m
ATLAS_2020_I1788444 13000 n/a - n/a
Underlying event
Nch
ATLAS_2019_I1736531 13000 1.4* +0.10 1.5*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 150 +10 160
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 1.9* +0.20 2.1*
pT Z
ATLAS_2020_I1788444 13000 55* -13 42*
ATLAS_2022_I2077570 13000 58 -2.0 56
CMS_2020_I1837084 13000 18 +3.0 21
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - 36*
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.58 +1.0 1.6
y Z
ATLAS_2020_I1788444 13000 58 +10 68
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 120 +50 170
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 200 0 200
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 140 +70 210
CMS_2021_I1866118 13000 22 -5.0 17
pT balance (jet, Z)
CMS_2021_I1866118 13000 25 -3.0 22
Δy (jet, Z)
ATLAS_2020_I1788444 13000 81 +12 93
HT(Z+jets)
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2022_I2077570 13000 110 -12 98
Δφ (dijet, Z)
CMS_2021_I1866118 13000 17 +9.0 26
pT balance (dijet, Z)
CMS_2021_I1866118 13000 17 +3.0 20

* 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.