Generator / tune

Details for Pythia 6.427 377 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 1.7* -0.30 1.4*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 4.4* -0.30 4.1*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 2.3 -0.90 1.4
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1 -0.24 0.86
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.9 -0.70 1.2
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1 -0.23 0.87
Jet mass
Jet mass
CMS_2013_I1224539 7000 12* - n/a
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 92* - n/a
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 54* - n/a
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 n/a - n/a
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.0* -0.27 0.73*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.1* -0.22 0.88*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.3* +0.40 1.7*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.0* +0.50 1.5*
Jet pT
ATLAS_2017_I1514251 13000 4.3* - 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 0.59* - n/a
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.2 -0.44 0.76
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.91* +0.040 0.95*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.5 -0.66 0.84
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.91* +0.010 0.92*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 4.8 -1.7 3.1
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.3 -0.33 0.97
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.8 -0.90 1.9
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.4 -0.40 1.0
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 2.6 -0.90 1.7
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 0.81 -0.030 0.78
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.1 -0.70 1.4
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.4 -0.40 1.0
Jet rapidity
ATLAS_2017_I1514251 13000 13 -3.1 9.9
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 30 -12 18*
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 9.8 -2.3 7.5
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 1.2* -0.21 0.99*
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 1.4* -0.100 1.3*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 32 +14 46
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.63* - n/a
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 3.5 +0.60 4.1
pT balance (jet, Z)
CMS_2021_I1866118 13000 6.9 -1.3 5.6
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 7.1 -0.100 7.0
pT balance (dijet, Z)
CMS_2021_I1866118 13000 7.2 +2.0 9.2

* 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.