Generator / tune

Details for Pythia 6.427 p2010 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 1.3* -0.10 1.2*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 3.3* -0.40 2.9*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 4.0 -0.70 3.3
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.7 -0.30 1.4
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.8* -0.80 2.0
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.7 -0.40 1.3
Jet mass
Jet mass
CMS_2013_I1224539 7000 62* - n/a
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 80* - n/a
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 110* - n/a
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 160* - n/a
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 2.1* -0.50 1.6*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 2.1* -0.40 1.7*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 0.97* +0.33 1.3*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.6* -0.40 1.2*
Jet pT
ATLAS_2017_I1514251 13000 26* - 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 n/a - 1.6
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 2.9 -0.50 2.4
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.3* 0 1.3*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 3.5* -1.0 2.5
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.5* -0.20 1.3*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 7.0 -2.0 5.0
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.7 -0.40 1.3
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 3.5 -1.0 2.5
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.7 -0.50 1.2
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 3.9* -0.80 3.1
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.3 -0.31 0.99
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.8 -0.80 2.0
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.8 -0.60 1.2
Jet rapidity
ATLAS_2017_I1514251 13000 8.9 +11 20
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 14* +8.0 22*
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 3.8 +3.6 7.4
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 1.7* -0.100 1.6*
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 1.8* -0.30 1.5*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 36 +12 48
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 1.9 -0.50 1.4
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 2.0 +0.60 2.6
pT balance (jet, Z)
CMS_2021_I1866118 13000 3.1 +1.00 4.1
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 n/a - n/a
pT balance (dijet, Z)
CMS_2021_I1866118 13000 2.0 +1.0 3.0

* 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.