Generator

Details for Pythia 6.426 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* -0.40 1.5*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 2.9* +1.4 4.3*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 4.1 -1.1 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 2.3 -0.30 2.0
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.5 -0.20 1.3
Jet mass
Jet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 n/a - 12*
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 n/a - 18*
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 n/a - 20*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.3* -0.30 1.0*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.2* +0.10 1.3*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.4* -0.30 1.1*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 0.92* -0.020 0.90*
Jet pT
ATLAS_2017_I1514251 13000 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 1.2* -
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.8 -0.50 1.3
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 1.8 -0.10 1.7
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.94* -0.12 0.82*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 8.3 -3.1 5.2
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.7 -1.5 1.2
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 3.1 -0.30 2.8
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.6 -0.20 1.4
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 4.1 -1.1 3.0
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.5 -0.51 0.99
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 1.6 -0.30 1.3
Jet rapidity
ATLAS_2017_I1514251 13000 11 -
ATLAS_2019_I1744201 8000 n/a - 9.1*
ATLAS_2020_I1788444 13000 n/a - 14
Dijet
ΔR
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 21* -
ATLAS_2020_I1788444 13000 n/a - 8.0
ΔrelpT(jets)
CMS_2021_I1866118 13000 25 -
Dijet
Δy
ATLAS_2020_I1788444 13000 n/a - 7.5
Jet mass
Dijet mass
ATLAS_2017_I1514251 13000 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 3.5* -2.3 1.2*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a -
ATLAS_2020_I1788444 13000 n/a - 48
ATLAS_2022_I2077570 13000 n/a - n/a
njets_njets
ATLAS_2017_I1514251 13000 n/a -
Underlying event
Scalar Σ(pT)
ATLAS_2019_I1736531 13000 3.3* -1.8 1.5*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 46 -14 32
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 2.7* -
y Z
ATLAS_2020_I1788444 13000 n/a - 12
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 n/a - 120*
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - 45
CMS_2021_I1866118 13000 7.9 -
pT balance (jet, Z)
CMS_2021_I1866118 13000 23 -
Δy (jet, Z)
ATLAS_2020_I1788444 13000 n/a - 13
HT(Z+jets)
ATLAS_2017_I1514251 13000 n/a -
ATLAS_2022_I2077570 13000 n/a - n/a
Δφ (dijet, Z)
CMS_2021_I1866118 13000 3.7 -
pT balance (dijet, Z)
CMS_2021_I1866118 13000 5.1 -

* 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 1378 histograms.