Generator / tune

Details for Pythia 8.313 tune-A14-MSTW2008LO vs. 8.315

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (8.313) Δ χ2+5% (8.315)
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 - 5.5*
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 - 10*
Generalized angularities
 LHA λ10.5
 CMS_2021_I1920187 13000 - 4.8
Generalized angularities
 LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 - 1.5
Generalized angularities
 Groomed LHA λ10.5
 CMS_2021_I1920187 13000 - 3.4
Generalized angularities
 Groomed LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 - 1.8
Jet mass
 Jet mass
 CMS_2013_I1224539 7000 - 59
Jet mass
 Filtered jet mass
 CMS_2013_I1224539 7000 - 200
Jet mass
 Pruned jet mass
 CMS_2013_I1224539 7000 - 150
Jet mass
 Trimmed jet mass
 CMS_2013_I1224539 7000 - 330
Generalized angularities
 Multiplicity λ00
 CMS_2021_I1920187 13000 - 2.1*
Generalized angularities
 Groomed multiplicity λ00
 CMS_2021_I1920187 13000 - 2.8*
Generalized angularities
 Multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 - 1.0*
Generalized angularities
 Groomed multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 - 2.0*
Jet pT
 ATLAS_2017_I1514251 13000 - n/a
ATLAS_2020_I1788444 13000 - 70
ATLAS_2022_I2077570 13000 - 92
Jet pT ratio
 CMS_2020_I1776758 13000 - 1.6*
CMS_2021_I1847230 8000 - n/a
Generalized angularities
 (pDT)2 λ20
 CMS_2021_I1920187 13000 - 2.8
Generalized angularities
 (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 - 1.2*
Generalized angularities
 Groomed (pDT)2 λ20
 CMS_2021_I1920187 13000 - 3.5
Generalized angularities
 Groomed (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 - 1.6*
Generalized angularities
 Thrust λ12
 CMS_2021_I1920187 13000 - 5.8
Generalized angularities
 Thrust λ12 (charged only)
 CMS_2021_I1920187 13000 - 1.2
Generalized angularities
 Groomed thrust λ12
 CMS_2021_I1920187 13000 - 3.9
Generalized angularities
 Groomed thrust λ12 (charged only)
 CMS_2021_I1920187 13000 - 1.7
Generalized angularities
 Width λ11
 CMS_2021_I1920187 13000 - 3.8*
Generalized angularities
 Width λ11 (charged only)
 CMS_2021_I1920187 13000 - 1.1
Generalized angularities
 Groomed width λ11
 CMS_2021_I1920187 13000 - 3.4
Generalized angularities
 Groomed width λ11 (charged only)
 CMS_2021_I1920187 13000 - 1.9
Jet rapidity
 ATLAS_2017_I1514251 13000 - 14
ATLAS_2019_I1744201 8000 - 38
ATLAS_2020_I1788444 13000 - 80
Dijet
 ΔR
 ATLAS_2020_I1788444 13000 - 100
CMS_2021_I1847230 8000 - n/a
Dijet
 Δφ
 ATLAS_2017_I1514251 13000 - 25
ATLAS_2020_I1788444 13000 - 84
ΔrelpT(jets)
 CMS_2021_I1866118 13000 - 17
Dijet
 Δy
 ATLAS_2020_I1788444 13000 - 100
Jet mass
 Dijet mass
 ATLAS_2017_I1514251 13000 - n/a
ATLAS_2020_I1788444 13000 - 76
Dijet
 pT
 ATLAS_2020_I1788444 13000 - 83
Dijet
 pT ratio to m
 ATLAS_2020_I1788444 13000 - 93
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 - 1.6*
Jet Multiplicities
 Jet multiplicity
 ATLAS_2017_I1514251 13000 - n/a
ATLAS_2020_I1788444 13000 - 230
ATLAS_2022_I2077570 13000 - n/a
njets_njets
 ATLAS_2017_I1514251 13000 - n/a
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 - 2.0*
pT Z
 ATLAS_2020_I1788444 13000 - 150
ATLAS_2022_I2077570 13000 - 53
CMS_2020_I1837084 13000 - 16
pT(Z) to pT(jet) ratio
 ATLAS_2022_I2077570 13000 - n/a
Dilepton
 pT ratio
 CMS_2020_I1776758 13000 - 1.0
y Z
 ATLAS_2020_I1788444 13000 - 66
ΔR (jet, Z)
 ATLAS_2020_I1788444 13000 - 420
ΔRmin (jet, Z)
 ATLAS_2022_I2077570 13000 - 210
Δφ (jet, Z)
 ATLAS_2020_I1788444 13000 - 550
CMS_2021_I1866118 13000 - 11
pT balance (jet, Z)
 CMS_2021_I1866118 13000 - 14
Δy (jet, Z)
 ATLAS_2020_I1788444 13000 - 120
HT(Z+jets)
 ATLAS_2017_I1514251 13000 - n/a
ATLAS_2022_I2077570 13000 - 130
Δφ (dijet, Z)
 CMS_2021_I1866118 13000 - 8.2
pT balance (dijet, Z)
 CMS_2021_I1866118 13000 - 10

* 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 715 histograms.