Generator

Details for Pythia 8.301 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 3.8* +1.0 4.8*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 7.3* +0.10 7.4*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 2.8 +0.20 3.0
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1 0 1.1
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.1 +0.20 2.3
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.2 0 1.2
Jet mass
Jet mass
CMS_2013_I1224539 7000 20 +2.0 22
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 100 0 100*
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 56 -1.0 55
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 87 +11 98*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.1* +0.100 1.2*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.5* +0.10 1.6*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.2* -0.100 1.1*
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 86 -1.0 85
Jet pT ratio
CMS_2020_I1776758 13000 0.91* -0.19 0.72
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.6 +0.20 1.8
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.91* -0.090 0.82*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.1 +0.30 2.4
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.0* +0.10 1.1*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 5.1 -0.100 5.0
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.1 0 1.1
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 3.0 -0.10 2.9
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.4 -0.100 1.3
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 2.9 0 2.9
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 0.95 0 0.95
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.3 -0.100 2.2
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.4 -0.100 1.3
Jet rapidity
ATLAS_2017_I1514251 13000 34 -5.0 29
ATLAS_2019_I1744201 8000 41 -1.0 40
ATLAS_2020_I1788444 13000 77 -8.0 69
Dijet
ΔR
ATLAS_2020_I1788444 13000 33 -4.0 29
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 51* -13 38
ATLAS_2020_I1788444 13000 25 +6.0 31
ΔrelpT(jets)
CMS_2021_I1866118 13000 56 -34 22
Dijet
Δy
ATLAS_2020_I1788444 13000 24 +7.0 31
Jet mass
Dijet mass
ATLAS_2017_I1514251 13000 35* - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
Dijet
pT
ATLAS_2020_I1788444 13000 21 - n/a
Dijet
pT ratio to m
ATLAS_2020_I1788444 13000 37 -14 23
Underlying event
Nch
ATLAS_2019_I1736531 13000 1.4* 0 1.4*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 170 +20 190
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* -0.100 1.8*
pT Z
ATLAS_2020_I1788444 13000 44* - n/a
ATLAS_2022_I2077570 13000 57 0 57
CMS_2020_I1837084 13000 19 +1.0 20
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.71 +0.040 0.75
y Z
ATLAS_2020_I1788444 13000 67 -4.0 63
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 160 -50 110
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 200 0 200
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 160 -40 120
CMS_2021_I1866118 13000 20 0 20
pT balance (jet, Z)
CMS_2021_I1866118 13000 21 -2.0 19
Δy (jet, Z)
ATLAS_2020_I1788444 13000 77 +1.0 78
HT(Z+jets)
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2022_I2077570 13000 110 +10 120
Δφ (dijet, Z)
CMS_2021_I1866118 13000 17 - n/a
pT balance (dijet, Z)
CMS_2021_I1866118 13000 24 +4.0 28

* 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 1390 histograms.