Generator / tune

Details for Pythia 8.313 ropes 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 4.2* +1.3 5.5*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 8.4* +2.6 11*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 3.5 -0.40 3.1
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.4 0 1.4
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.4 -0.10 2.3
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.5 -0.10 1.4
Jet mass
Jet mass
CMS_2013_I1224539 7000 19* +15 34
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 150* +140 290
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 53* +47 100
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 95* +150 240
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.7* +0.10 1.8*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.7* 0 1.7*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 0.82* +0.010 0.83*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 0.92* +0.18 1.1*
Jet pT
ATLAS_2017_I1514251 13000 n/a - 9.6*
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 87 +23 110
Jet pT ratio
CMS_2020_I1776758 13000 0.77* -0.32 0.45
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 2.3 0 2.3
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.3* -0.20 1.1*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.8 0 2.8*
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 5.3 -0.70 4.6
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.3 -0.10 1.2
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 3.0 -0.20 2.8
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.4 -0.100 1.3
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 3.2 -0.50 2.7
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.0 +0.10 1.1
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.6 -0.40 2.2
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.5 -0.10 1.4
Jet rapidity
ATLAS_2017_I1514251 13000 29 -4.0 25
ATLAS_2019_I1744201 8000 41 +1.0 42
ATLAS_2020_I1788444 13000 58 +120 180
Dijet
ΔR
ATLAS_2020_I1788444 13000 16 +94 110
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 37 +93 130*
ATLAS_2020_I1788444 13000 11 +75 86
ΔrelpT(jets)
CMS_2021_I1866118 13000 33 -11 22
Dijet
Δy
ATLAS_2020_I1788444 13000 16 +84 100
Jet mass
Dijet mass
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - 97
Dijet
pT
ATLAS_2020_I1788444 13000 n/a - 94
Dijet
pT ratio to m
ATLAS_2020_I1788444 13000 n/a - 100
Underlying event
Nch
ATLAS_2019_I1736531 13000 1.5* +0.30 1.8*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 130 +170 300
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* +0.70 2.6
pT Z
ATLAS_2020_I1788444 13000 43* +150 190
ATLAS_2022_I2077570 13000 57 +2.0 59
CMS_2020_I1837084 13000 20 0 20
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 36* - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 1.1 -0.34 0.76
y Z
ATLAS_2020_I1788444 13000 51 +99 150
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 110 +360 470
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 200 0 200
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 120 +590 710
CMS_2021_I1866118 13000 18 -3.0 15
pT balance (jet, Z)
CMS_2021_I1866118 13000 20 -5.0 15
Δy (jet, Z)
ATLAS_2020_I1788444 13000 63 +170 230
HT(Z+jets)
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2022_I2077570 13000 110 +30 140
Δφ (dijet, Z)
CMS_2021_I1866118 13000 n/a - 22
pT balance (dijet, Z)
CMS_2021_I1866118 13000 20 -2.0 18

* 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 1370 histograms.