Generator

Details for Pythia 8.303 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 4.6* -0.60 4.0*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 7.3* +0.20 7.5*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 2.8 -0.30 2.5
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.2 -0.100 1.1
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.1 -0.40 1.7
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.3 -0.20 1.1
Jet mass
Jet mass
CMS_2013_I1224539 7000 19 +3.0 22*
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 100* -39 61*
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 50 +6.0 56*
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 85* -9.0 76
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.1* -0.18 0.92*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.4* -0.20 1.2*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.5* -0.40 1.1*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.2* -0.20 1.0*
Jet pT
ATLAS_2017_I1514251 13000 24* - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - 85
Jet pT ratio
CMS_2020_I1776758 13000 1.0* 0 1.0
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.8 -0.40 1.4
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.97* -0.13 0.84*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.1 -0.40 1.7
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.0* -0.090 0.91*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 4.5 -0.20 4.3
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.1 -0.10 1.0
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.8 -0.50 2.3
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.3 -0.20 1.1
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 2.7* -0.40 2.3
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 0.88 -0.070 0.81
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.2 -0.40 1.8
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.4 -0.20 1.2
Jet rapidity
ATLAS_2017_I1514251 13000 32 -2.0 30
ATLAS_2019_I1744201 8000 40 0 40
ATLAS_2020_I1788444 13000 82 +2.0 84
Dijet
ΔR
ATLAS_2020_I1788444 13000 25 +3.0 28
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 43 -1.0 42
ATLAS_2020_I1788444 13000 24 -1.0 23
ΔrelpT(jets)
CMS_2021_I1866118 13000 26 -6.0 20
Dijet
Δy
ATLAS_2020_I1788444 13000 28 -9.0 19
Jet mass
Dijet mass
ATLAS_2017_I1514251 13000 n/a - 39*
ATLAS_2020_I1788444 13000 n/a - 14
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 1.4* +0.30 1.7*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 170 -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 2.1 +0.10 2.2*
pT Z
ATLAS_2020_I1788444 13000 62 -9.0 53
ATLAS_2022_I2077570 13000 55 +2.0 57
CMS_2020_I1837084 13000 18 +2.0 20
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 2.6 -1.2 1.4*
y Z
ATLAS_2020_I1788444 13000 69 +4.0 73
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 160 +80 240
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 200 0 200
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 170 +20 190
CMS_2021_I1866118 13000 17 0 17
pT balance (jet, Z)
CMS_2021_I1866118 13000 13 +6.0 19
Δy (jet, Z)
ATLAS_2020_I1788444 13000 84 +16 100
HT(Z+jets)
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2022_I2077570 13000 96 +14 110
Δφ (dijet, Z)
CMS_2021_I1866118 13000 n/a - n/a
pT balance (dijet, Z)
CMS_2021_I1866118 13000 29 -13 16

* 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.