Generator / tune

Details for Pythia 6.426 z1 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 2.6* +0.70 3.3*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 5.3* +2.0 7.3*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 4.9 +0.40 5.3
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.8 +0.30 2.1
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 3.5 +0.40 3.9
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.0 +0.30 2.3
Jet mass
Jet mass
CMS_2013_I1224539 7000 n/a - 50*
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 n/a - 94*
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 n/a - 130*
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 n/a - 96*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.6 -0.20 1.4*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.7* +0.10 1.8*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.3* -0.20 1.1*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.5* +0.30 1.8*
Jet pT
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 82 - n/a
Jet pT ratio
CMS_2020_I1776758 13000 0.97* -0.22 0.75*
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.8 +0.100 1.9
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.1* 0 1.1*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.5 +0.30 2.8
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.1* +0.20 1.3*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 8.2 +0.50 8.7
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.9 +0.30 2.2
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 4.7 +0.80 5.5
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.2 +0.50 2.7
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 4.8 +0.50 5.3
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.4 +0.20 1.6
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 3.9 +0.20 4.1
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 2.3 +0.20 2.5
Jet rapidity
ATLAS_2017_I1514251 13000 13 +2.0 15
ATLAS_2019_I1744201 8000 n/a - 61*
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 30* -5.0 25*
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 6.2 +5.8 12
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 1.4* 0 1.4*
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 2.0* -0.20 1.8*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 62 - n/a
CMS_2020_I1837084 13000 34 +3.0 37
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.49 +0.13 0.62
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 - 290*
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1866118 13000 4.1 0 4.1
pT balance (jet, Z)
CMS_2021_I1866118 13000 5.3 -0.50 4.8
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 120 - n/a
Δφ (dijet, Z)
CMS_2021_I1866118 13000 5.1 +3.1 8.2
pT balance (dijet, Z)
CMS_2021_I1866118 13000 5.0 +4.8 9.8

* 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.