Generator / tune

Details for Pythia 6.427 dwt vs. 6.428

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (6.427) Δ χ2+5% (6.428)
Underlying event
<pT>
ATLAS_2019_I1736531 13000 3.2* -1.2 2.0*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 3.4* -0.20 3.2*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 2.7 +0.100 2.8
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 1.7 0 1.7
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 27* - n/a
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 31* - n/a
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 37* - n/a
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 130* - n/a
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.1* +0.100 1.2*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.1* -0.10 1.0*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 3.1* -1.2 1.9*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.8* -0.50 1.3*
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 n/a - 1.1
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.5 -0.40 1.1
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.89* -0.15 0.74*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.4 -0.30 1.1
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.89* -0.040 0.85*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 4.7 +0.50 5.2
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.3 +0.100 1.4
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.3 0 2.3
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.2 +0.10 1.3
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 2.6 0 2.6
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 0.93 -0.010 0.92
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.7 0 1.7
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.2 0 1.2
Jet rapidity
ATLAS_2017_I1514251 13000 9.3 -4.5 4.8
ATLAS_2019_I1744201 8000 27* - n/a
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 24* +4.0 28*
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 12 +4.0 16
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 1.3* -0.20 1.1*
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 2.1* -0.10 2.0*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 53 -5.0 48
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 5.6* -3.8 1.8
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 290* - n/a
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1866118 13000 12 -2.6 9.4
pT balance (jet, Z)
CMS_2021_I1866118 13000 30 -8.0 22
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 4.9 +0.30 5.2
pT balance (dijet, Z)
CMS_2021_I1866118 13000 8.9 +2.1 11

* 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.