Generator

Details for Pythia 8.301 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 4.8* -0.80 4.0*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 7.4* -1.0 6.4*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 3.0 -0.50 2.5
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 2.3 -0.30 2.0
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.2 -0.100 1.1
Jet mass
Jet mass
CMS_2013_I1224539 7000 22 -1.0 21
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 100* -3.0 97
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 55 +1.0 56*
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 98* -47 51
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.2* -0.100 1.1*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.6* -0.30 1.3*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.1* 0 1.1*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.2* -0.24 0.96*
Jet pT
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - 41
ATLAS_2022_I2077570 13000 85 - n/a
Jet pT ratio
CMS_2020_I1776758 13000 0.72 -0.45 0.27*
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.8 -0.30 1.5
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.82* +0.11 0.93*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.4 -0.50 1.9
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.1* -0.13 0.97*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 5.0 -0.90 4.1
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.1 0 1.1
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.9 -0.20 2.7
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.3 -0.10 1.2
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 2.9 -0.40 2.5
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 0.95 -0.100 0.85
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.2 -0.20 2.0
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.3 0 1.3
Jet rapidity
ATLAS_2017_I1514251 13000 29 -5.0 24
ATLAS_2019_I1744201 8000 40 -6.0 34
ATLAS_2020_I1788444 13000 69 -10 59
Dijet
ΔR
ATLAS_2020_I1788444 13000 29 -12 17
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 38 +12 50
ATLAS_2020_I1788444 13000 31 -15 16
ΔrelpT(jets)
CMS_2021_I1866118 13000 22 +27 49
Dijet
Δy
ATLAS_2020_I1788444 13000 31 -11 20
Jet mass
Dijet mass
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - 11
Dijet
pT
ATLAS_2020_I1788444 13000 n/a - n/a
Dijet
pT ratio to m
ATLAS_2020_I1788444 13000 23 - n/a
Underlying event
Nch
ATLAS_2019_I1736531 13000 1.4* -0.100 1.3*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 190 -60 130
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 1.8* +0.20 2.0*
pT Z
ATLAS_2020_I1788444 13000 n/a - 28*
ATLAS_2022_I2077570 13000 57 -1.0 56
CMS_2020_I1837084 13000 20 -1.0 19
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.75 -0.20 0.55
y Z
ATLAS_2020_I1788444 13000 63 -11 52
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 110 -13 97
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 200 0 200
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 120 -21 99
CMS_2021_I1866118 13000 20 -5.0 15
pT balance (jet, Z)
CMS_2021_I1866118 13000 19 -3.0 16
Δy (jet, Z)
ATLAS_2020_I1788444 13000 78 +1.0 79
HT(Z+jets)
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2022_I2077570 13000 120 -32 88
Δφ (dijet, Z)
CMS_2021_I1866118 13000 n/a - n/a
pT balance (dijet, Z)
CMS_2021_I1866118 13000 28 +2.0 30

* 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 1329 histograms.