Generator / tune

Details for Pythia 8.313 tune-monashstar 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 4.0* +0.80 4.8*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 7.0* +1.9 8.9*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 2.9 -0.20 2.7
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1 0 1.1
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.1 -0.20 1.9
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.3 -0.20 1.1
Jet mass
Jet mass
CMS_2013_I1224539 7000 23 +24 47
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 120* +70 190
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 54* +66 120
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 82* +170 250
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.2* -0.100 1.1*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.4* 0 1.4*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.2* +0.10 1.3*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.3* -0.20 1.1*
Jet pT
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - 110
ATLAS_2022_I2077570 13000 83 +27 110
Jet pT ratio
CMS_2020_I1776758 13000 1.9 -0.90 1.0
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.7 -0.100 1.6
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.99* -0.14 0.85*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.1 -0.10 2.0
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.0* -0.11 0.89*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 4.9 -0.20 4.7
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 2.9 -0.30 2.6
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.3 -0.20 1.1
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 2.9 0 2.9
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 0.96 -0.070 0.89
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.2 -0.20 2.0
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.3 0 1.3
Jet rapidity
ATLAS_2017_I1514251 13000 32 -4.0 28
ATLAS_2019_I1744201 8000 42 +1.0 43
ATLAS_2020_I1788444 13000 47 +130 180
Dijet
ΔR
ATLAS_2020_I1788444 13000 20 +70 90
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 49 +21 70
ATLAS_2020_I1788444 13000 24 +51 75
ΔrelpT(jets)
CMS_2021_I1866118 13000 29 +3.0 32
Dijet
Δy
ATLAS_2020_I1788444 13000 n/a - 89
Jet mass
Dijet mass
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - 67
Dijet
pT
ATLAS_2020_I1788444 13000 n/a - 80
Dijet
pT ratio to m
ATLAS_2020_I1788444 13000 n/a - 80
Underlying event
Nch
ATLAS_2019_I1736531 13000 3.1* +0.40 3.5*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 140 +120 260
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 3.3* +0.60 3.9*
pT Z
ATLAS_2020_I1788444 13000 39* +130 170
ATLAS_2022_I2077570 13000 58 +2.0 60
CMS_2020_I1837084 13000 20 -2.0 18
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 36* - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.42 +0.98 1.4
y Z
ATLAS_2020_I1788444 13000 41 +110 150
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 61 +530 590
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 200 0 200
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 75 +600 670
CMS_2021_I1866118 13000 43 -27 16
pT balance (jet, Z)
CMS_2021_I1866118 13000 30 -8.0 22
Δy (jet, Z)
ATLAS_2020_I1788444 13000 50 +190 240
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 - 20
pT balance (dijet, Z)
CMS_2021_I1866118 13000 44 -21 23

* 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.