Generator

Details for Pythia 6.425 default vs. 350

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (default) Δ χ2+5% (350)
Underlying event
<pT>
ATLAS_2019_I1736531 13000 1.9* +0.90 2.8*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 2.8* +2.0 4.8*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 4.7 -1.7 3.0
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.9 -0.70 1.2
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.5 -0.40 2.1
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.7 -0.40 1.3
Jet mass
Jet mass
CMS_2013_I1224539 7000 45* +19 64*
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 31* +110 140*
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 68* +52 120*
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 53* +31 84*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.7* -0.70 1.0*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.2* +0.40 1.6*
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 0.84* +0.100 0.94*
Jet pT
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
Jet pT ratio
CMS_2020_I1776758 13000 1.6* -1.0 0.60
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 2.0 -0.40 1.6
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.1* -0.34 0.76*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.0 +0.10 2.1
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.1* -0.24 0.86*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 9.5 -4.2 5.3
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.8 -1.5 1.3
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 3.5 -0.50 3.0
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.7 -0.30 1.4
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 4.7 -1.7 3.0
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.5 -0.50 1.0
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.7 -0.40 2.3
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.7 -0.30 1.4
Jet rapidity
ATLAS_2017_I1514251 13000 6.8 +6.2 13
ATLAS_2019_I1744201 8000 26* +51 77*
ATLAS_2020_I1788444 13000 n/a - n/a
Dijet
ΔR
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 18* +20 38
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 10 +1.0 11
Dijet
Δy
ATLAS_2020_I1788444 13000 n/a - n/a
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 4.2* -2.7 1.5*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
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 3.6* -1.3 2.3*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 49 -16 33
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 1.1* -0.17 0.93*
y Z
ATLAS_2020_I1788444 13000 n/a - n/a
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 n/a - n/a
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1866118 13000 5.9 -3.1 2.8
pT balance (jet, Z)
CMS_2021_I1866118 13000 13 -7.9 5.1
Δy (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
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 2.8 +6.0 8.8
pT balance (dijet, Z)
CMS_2021_I1866118 13000 4.5 +3.8 8.3

* 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.