Generator / tune

Details for Pythia 6.427 347 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* -0.40 1.3*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 4.0* -0.50 3.5*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 0.90 +0.010 0.91
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.3 +0.30 1.6
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 0.82 -0.080 0.74
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.0 +0.20 1.2
Jet mass
Jet mass
CMS_2013_I1224539 7000 28* - n/a
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 250* - n/a
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 74* - n/a
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 52* - n/a
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 3.0* +1.5 4.5*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.6* +1.0 2.6*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 5.4* +0.60 6.0*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 4.1* +1.1 5.2*
Jet pT
ATLAS_2017_I1514251 13000 n/a - 23*
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
Jet pT ratio
CMS_2020_I1776758 13000 1.0 -0.45 0.55
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.8 +1.2 3.0
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 3.4* +0.80 4.2*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.5 +1.2 2.7
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.4* +0.70 3.1*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 2.2 -1.2 1.0
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.0 +0.10 1.1
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.3 -0.45 0.85
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.92 -0.020 0.90
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 0.92 -0.29 0.63
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 0.99 +0.31 1.3
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 0.98 -0.38 0.60
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 0.98 +0.22 1.2
Jet rapidity
ATLAS_2017_I1514251 13000 8.3 +2.7 11
ATLAS_2019_I1744201 8000 50* - 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 21 +1.0 22*
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 7.9 +5.1 13
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 1.3* -0.44 0.86*
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 1.7* -0.30 1.4*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 19 +8.0 27
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 1.7 -0.60 1.1
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 110* - n/a
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1866118 13000 2.7 +3.1 5.8
pT balance (jet, Z)
CMS_2021_I1866118 13000 4.1 +0.60 4.7
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 6.8 -1.1 5.7
pT balance (dijet, Z)
CMS_2021_I1866118 13000 6.9 -0.50 6.4

* 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.