Generator

Details for Pythia 8.235 default-CD vs. default-DL

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (default-CD) Δ χ2+5% (default-DL)
Underlying event
<pT>
ATLAS_2019_I1736531 13000 1.7* +2.1 3.8*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 4.7* +1.9 6.6*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 2.7 +0.20 2.9
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1 +0.100 1.2
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.1 +0.10 2.2
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 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 1.1* -0.10 1.0*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.4* -0.100 1.3*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.3* -0.10 1.2*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 0.97* +0.13 1.1*
Jet pT
ATLAS_2017_I1514251 13000 20* +20 40*
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
Jet pT ratio
CMS_2020_I1776758 13000 1.2 - n/a
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.6 -0.10 1.5
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.84* +0.030 0.87*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.1 -0.10 2.0
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.97* -0.050 0.92*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 4.2 +0.40 4.6
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.1 0 1.1
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.6 +0.10 2.7
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.2 0 1.2
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 2.6 0 2.6
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 0.81 +0.14 0.95*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.1 +0.10 2.2
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.2 +0.10 1.3
Jet rapidity
ATLAS_2017_I1514251 13000 29 +2.0 31
ATLAS_2019_I1744201 8000 23* - n/a
ATLAS_2020_I1788444 13000 43 +24 67
Dijet
ΔR
ATLAS_2020_I1788444 13000 12 +8.0 20
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 39 +43 82
ATLAS_2020_I1788444 13000 15 -4.0 11
ΔrelpT(jets)
CMS_2021_I1866118 13000 24 +18 42
Dijet
Δy
ATLAS_2020_I1788444 13000 14 +14 28
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 1.1* +0.30 1.4*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 100 +60 160
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 1.5* +0.40 1.9*
pT Z
ATLAS_2020_I1788444 13000 17* - n/a
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 0.46 -0.030 0.43*
y Z
ATLAS_2020_I1788444 13000 37 +21 58
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 66 +44 110
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 n/a - 290*
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 84 +36 120
CMS_2021_I1866118 13000 21 -2.0 19
pT balance (jet, Z)
CMS_2021_I1866118 13000 29 -6.0 23
Δy (jet, Z)
ATLAS_2020_I1788444 13000 51 +35 86
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 21 +10 31

* 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.