Generator / tune

Details for Pythia 8.313 vincia-default 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 - 7.0*
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 - 12*
Generalized angularities
 LHA λ10.5
 CMS_2021_I1920187 13000 - 2.4
Generalized angularities
 LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 - 1.2
Generalized angularities
 Groomed LHA λ10.5
 CMS_2021_I1920187 13000 - 1.8
Generalized angularities
 Groomed LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 - 1.1
Jet mass
 Jet mass
 CMS_2013_I1224539 7000 - 52
Jet mass
 Filtered jet mass
 CMS_2013_I1224539 7000 - 320
Jet mass
 Pruned jet mass
 CMS_2013_I1224539 7000 - 130
Jet mass
 Trimmed jet mass
 CMS_2013_I1224539 7000 - 430
Generalized angularities
 Multiplicity λ00
 CMS_2021_I1920187 13000 - 0.85*
Generalized angularities
 Groomed multiplicity λ00
 CMS_2021_I1920187 13000 - 1.00*
Generalized angularities
 Multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 - 2.3*
Generalized angularities
 Groomed multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 - 1.4*
Jet pT
 ATLAS_2017_I1514251 13000 - 48*
ATLAS_2020_I1788444 13000 - 500
ATLAS_2022_I2077570 13000 - 170
Jet pT ratio
 CMS_2020_I1776758 13000 - 0.88*
CMS_2021_I1847230 8000 - n/a
Generalized angularities
 (pDT)2 λ20
 CMS_2021_I1920187 13000 - 0.90
Generalized angularities
 (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 - 0.97*
Generalized angularities
 Groomed (pDT)2 λ20
 CMS_2021_I1920187 13000 - 1.3
Generalized angularities
 Groomed (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 - 0.91*
Generalized angularities
 Thrust λ12
 CMS_2021_I1920187 13000 - 4.7
Generalized angularities
 Thrust λ12 (charged only)
 CMS_2021_I1920187 13000 - 1.4
Generalized angularities
 Groomed thrust λ12
 CMS_2021_I1920187 13000 - 2.4
Generalized angularities
 Groomed thrust λ12 (charged only)
 CMS_2021_I1920187 13000 - 1.3
Generalized angularities
 Width λ11
 CMS_2021_I1920187 13000 - 2.5
Generalized angularities
 Width λ11 (charged only)
 CMS_2021_I1920187 13000 - 1.0
Generalized angularities
 Groomed width λ11
 CMS_2021_I1920187 13000 - 1.8
Generalized angularities
 Groomed width λ11 (charged only)
 CMS_2021_I1920187 13000 - 1.3
Jet rapidity
 ATLAS_2017_I1514251 13000 - 65
ATLAS_2019_I1744201 8000 - 63
ATLAS_2020_I1788444 13000 - 660
Dijet
 ΔR
 ATLAS_2020_I1788444 13000 - 590
CMS_2021_I1847230 8000 - n/a
Dijet
 Δφ
 ATLAS_2017_I1514251 13000 - 85*
ATLAS_2020_I1788444 13000 - 440
ΔrelpT(jets)
 CMS_2021_I1866118 13000 - 54
Dijet
 Δy
 ATLAS_2020_I1788444 13000 - 480
Jet mass
 Dijet mass
 ATLAS_2017_I1514251 13000 - 60*
ATLAS_2020_I1788444 13000 - 400
Dijet
 pT
 ATLAS_2020_I1788444 13000 - 410
Dijet
 pT ratio to m
 ATLAS_2020_I1788444 13000 - 510
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 - 5.5*
Jet Multiplicities
 Jet multiplicity
 ATLAS_2017_I1514251 13000 - n/a
ATLAS_2020_I1788444 13000 - 980
ATLAS_2022_I2077570 13000 - 210
njets_njets
 ATLAS_2017_I1514251 13000 - n/a
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 - 7.0*
pT Z
 ATLAS_2020_I1788444 13000 - 600
ATLAS_2022_I2077570 13000 - 100
CMS_2020_I1837084 13000 - 59
pT(Z) to pT(jet) ratio
 ATLAS_2022_I2077570 13000 - 110*
Dilepton
 pT ratio
 CMS_2020_I1776758 13000 - 0.54*
y Z
 ATLAS_2020_I1788444 13000 - 580
ΔR (jet, Z)
 ATLAS_2020_I1788444 13000 - 3,500
ΔRmin (jet, Z)
 ATLAS_2022_I2077570 13000 - 220
Δφ (jet, Z)
 ATLAS_2020_I1788444 13000 - 5,000
CMS_2021_I1866118 13000 - 81
pT balance (jet, Z)
 CMS_2021_I1866118 13000 - 63
Δy (jet, Z)
 ATLAS_2020_I1788444 13000 - 990
HT(Z+jets)
 ATLAS_2017_I1514251 13000 - n/a
ATLAS_2022_I2077570 13000 - 220
Δφ (dijet, Z)
 CMS_2021_I1866118 13000 - 39
pT balance (dijet, Z)
 CMS_2021_I1866118 13000 - 70

* 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.