Generator / tune

Details for Pythia 6.426 p0 vs. 6.427

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (6.426) Δ χ2+5% (6.427)
Underlying event
<pT>
ATLAS_2019_I1736531 13000 2.0* -0.20 1.8*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 3.9* -0.70 3.2*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 10 -0.20 9.8
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 4.3 -0.100 4.2
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 6.4 -0.50 5.9
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 3.8 0 3.8
Jet mass
Jet mass
CMS_2013_I1224539 7000 84* - n/a
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 110* - n/a
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 150* - n/a
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 110* - n/a
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 4.4* +0.30 4.7*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 3.8* -0.20 3.6*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.5* -0.40 1.1*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 3.1* -0.90 2.2*
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 1.4 +0.80 2.2*
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 6.0 +0.100 6.1
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 3.0* -0.30 2.7*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 6.0 0 6.0
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.8* -0.20 2.6*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 13 0 13
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 4.3 -0.100 4.2
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 7.0 -0.30 6.7
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 3.5 -0.10 3.4
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 8.1 -0.100 8.0
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 3.5 -0.20 3.3
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 6.0 -0.40 5.6
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 3.9 +0.10 4.0
Jet rapidity
ATLAS_2017_I1514251 13000 11 -1.0 10.0
ATLAS_2019_I1744201 8000 n/a - 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 14 +1.0 15*
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 8.9 -4.9 4.0
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 4.3* -0.100 4.2*
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 3.3* +0.30 3.6*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 36 -1.0 35
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 1.6 +1.4 3.0*
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 3.1 +0.10 3.2
pT balance (jet, Z)
CMS_2021_I1866118 13000 5.0 -1.1 3.9
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 5.6 -2.3 3.3
pT balance (dijet, Z)
CMS_2021_I1866118 13000 8.1 -4.9 3.2

* 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.