Generator / tune

Details for Pythia 6.426 pro-q2o vs. 6.427

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (6.426) Δ χ2+5% (6.427)
Underlying event
<pT>
ATLAS_2019_I1736531 13000 2.4* -1.1 1.3*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 4.1* -1.3 2.8*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 3.7 +0.60 4.3
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.3 +0.40 1.7
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.3 +0.20 2.5
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.2 +0.30 1.5
Jet mass
Jet mass
CMS_2013_I1224539 7000 33* - n/a
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 n/a - 19*
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 51* - n/a
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 n/a - 33*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.3* -0.20 1.1*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.2* -0.100 1.1*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.5* -0.20 1.3*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 0.82* 0 0.82*
Jet pT
ATLAS_2017_I1514251 13000 n/a - 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 0.72* +0.28 1.0*
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.5 +0.30 1.8
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.82* +0.050 0.87*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.5 +0.70 2.2
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.86* +0.060 0.92*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 7.1 +0.40 7.5
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.8 +0.40 2.2
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.9 +0.20 3.1
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.4 +0.10 1.5
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 3.6 +0.30 3.9
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.1 +0.20 1.3
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.1 +0.30 2.4
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.3 +0.20 1.5
Jet rapidity
ATLAS_2017_I1514251 13000 8.5 -1.2 7.3
ATLAS_2019_I1744201 8000 52* - n/a
ATLAS_2020_I1788444 13000 n/a - 39
Dijet
ΔR
ATLAS_2020_I1788444 13000 n/a - 13
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 14* +6.0 20*
ATLAS_2020_I1788444 13000 n/a - 9.6
ΔrelpT(jets)
CMS_2021_I1866118 13000 14 -2.0 12
Dijet
Δy
ATLAS_2020_I1788444 13000 n/a - 16
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 - 8.2
Underlying event
Nch
ATLAS_2019_I1736531 13000 3.2* -1.6 1.6*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - 84
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 1.9* -0.100 1.8*
pT Z
ATLAS_2020_I1788444 13000 n/a - 24
ATLAS_2022_I2077570 13000 59 - n/a
CMS_2020_I1837084 13000 45 +1.0 46
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.66* +2.1 2.8*
y Z
ATLAS_2020_I1788444 13000 n/a - 37
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 n/a - 110
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 n/a - n/a
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - 100
CMS_2021_I1866118 13000 3.1 -1.2 1.9
pT balance (jet, Z)
CMS_2021_I1866118 13000 9.6 -1.5 8.1
Δy (jet, Z)
ATLAS_2020_I1788444 13000 n/a - 42
HT(Z+jets)
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2022_I2077570 13000 99 - n/a
Δφ (dijet, Z)
CMS_2021_I1866118 13000 4.3 -1.9 2.4
pT balance (dijet, Z)
CMS_2021_I1866118 13000 5.7 -1.7 4.0

* 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.