Generator / tune

Details for Pythia 8.308 tune-4cx vs. 8.313

pp/ppbar → Jets


Observable Reference Energy χ2+5% (8.308) Δ χ2+5% (8.313)
Jet Multiplicities
 R32 vs HT
 ATLAS_2011_I917599 7000 - n/a
CMS_2011_I912560 7000 - n/a
Jet Multiplicities
 R32 vs pT
 ATLAS_2011_I917599 7000 - 0.090*
Transverse Minor
 CMS_2011_I886332 7000 - 0.64
Transverse Thrust
 CMS_2011_I886332 7000 - 0.56
Jets + Veto
 Gap frac. vs Veto scale (FB)
 ATLAS_2011_I917526 7000 - 1.3
Jets + Veto
 Gap frac. vs Veto scale (LJ)
 ATLAS_2011_I917526 7000 - 0.78
Jets + Veto
 Gap fraction vs Δy
 CMS_2012_I1102908 7000 - n/a
Jets + Veto
 Gap fraction vs Δy (FB)
 ATLAS_2011_I917526 7000 - 0.48*
Jets + Veto
 Gap fraction vs Δy (LJ)
 ATLAS_2011_I917526 7000 - 0.69*
Jets + Veto
 Gap fraction vs pT (FB)
 ATLAS_2011_I917526 7000 - n/a
Jets + Veto
 Gap fraction vs pT (LJ)
 ATLAS_2011_I917526 7000 - n/a
HT(jets)
 ATLAS_2011_I917599 7000 - n/a
Jet Shapes
 Jet Angularity
 ATLAS_2012_I1119557 7000 - 1.6
Jet Charge
 Jet Charge Q
 CMS_2017_I1605749 8000 - 6.5
Jet Charge
 Jet Charge Mean
 ATLAS_2015_I1393758 8000 - n/a
Jet Charge
 Jet Charge QL
 CMS_2017_I1605749 8000 - 26*
Jet Charge
 Jet Charge RMS
 ATLAS_2015_I1393758 8000 - n/a
Jet Charge
 Jet Charge QT
 CMS_2017_I1605749 8000 - 16*
Jet Substructure
 C2
 ATLAS_2019_I1724098 13000 - n/a
Jet Substructure
 Splitting scale d12
 ATLAS_2012_I1094564 7000 - 0.31
Jet Substructure
 D2
 ATLAS_2019_I1724098 13000 - 0.71
Jet Substructure
 Splitting scale d23
 ATLAS_2012_I1094564 7000 - 0.48
Jet Substructure
 Energy correlation ECF2
 ATLAS_2019_I1724098 13000 - 0.43
Jet Substructure
 Energy correlation ECF3
 ATLAS_2019_I1724098 13000 - 0.78
Jet η
 CMS_2021_I1932460 13000 - 25
Generalized angularities
 LHA λ10.5
 ATLAS_2019_I1724098 13000 - 0.43*
CMS_2021_I1920187 13000 - 0.88
Generalized angularities
 LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 - 1.3*
Generalized angularities
 Groomed LHA λ10.5
 CMS_2021_I1920187 13000 - 0.92
Generalized angularities
 Groomed LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 - 0.84
Jet mass
 Jet mass
 ATLAS_2012_I1094564 7000 - 0.56
ATLAS_2012_I1119557 7000 - 8.7
Jet mass
 Filtered jet mass
 ATLAS_2012_I1094564 7000 - 0.18
Generalized angularities
 Multiplicity λ00
 CMS_2021_I1920187 13000 - 3.4*
Generalized angularities
 Groomed multiplicity λ00
 CMS_2021_I1920187 13000 - 2.4*
Generalized angularities
 Multiplicity λ00 (charged only)
 ATLAS_2019_I1740909 13000 - 23*
CMS_2021_I1920187 13000 - 9.1*
Generalized angularities
 Groomed multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 - 3.6*
Jet Shapes
 < Nch > (Central)
 ATLAS_2016_I1419070 8000 - n/a
ATLAS_2019_I1740909 13000 - n/a
Jet Substructure
 Subjet multiplicity
 ATLAS_2019_I1724098 13000 - 0.24
Jet Shapes
 Jet Planar Flow
 ATLAS_2012_I1119557 7000 - 21
Jet pT
 ATLAS_2010_I871366 7000 - 1.1*
ATLAS_2011_I917599 7000 - n/a
CMS_2011_I902309 7000 - n/a
CMS_2012_I1087342 7000 - n/a
CMS_2021_I1932460 13000 - 35*
CMS_2021_I1972986 13000 - n/a
Jet pT ratio
 CMS_2021_I1847230 [8000..13000] - 1.1
Generalized angularities
 (pDT)2 λ20
 CMS_2021_I1920187 13000 - 2.9
Generalized angularities
 (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 - 4.0*
Generalized angularities
 Groomed (pDT)2 λ20
 CMS_2021_I1920187 13000 - 2.2
Generalized angularities
 Groomed (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 - 2.7*
Jet Substructure
 N-subjettiness τ2/τ1
 ATLAS_2012_I1094564 7000 - 0.69
Jet Substructure
 N-subjettiness τ3/τ2
 ATLAS_2012_I1094564 7000 - 0.15
Generalized angularities
 Thrust λ12
 CMS_2021_I1920187 13000 - 0.93
Generalized angularities
 Thrust λ12 (charged only)
 CMS_2021_I1920187 13000 - 2.1*
Generalized angularities
 Groomed thrust λ12
 CMS_2021_I1920187 13000 - 1.1
Generalized angularities
 Groomed thrust λ12 (charged only)
 CMS_2021_I1920187 13000 - 0.81
Generalized angularities
 Width λ11
 ATLAS_2012_I1119557 7000 - 4.0
CMS_2021_I1920187 13000 - 0.95*
Generalized angularities
 Width λ11 (charged only)
 CMS_2021_I1920187 13000 - 1.4*
Generalized angularities
 Groomed width λ11
 CMS_2021_I1920187 13000 - 1.1
Generalized angularities
 Groomed width λ11 (charged only)
 CMS_2021_I1920187 13000 - 0.83
Jet Substructure
 Momentum fraction z
 ATLAS_2019_I1740909 13000 - 2.5
Jet Shapes
 < Nch Difference > (Central-Fwd)
 ATLAS_2016_I1419070 8000 - n/a
Jet Shapes
 < Nch > (Central+Fwd)
 ATLAS_2016_I1419070 8000 - n/a
Coherence
 β
 CMS_2013_I1265659 7000 - 1.9
Dijet
 χ
 ATLAS_2010_I871366 7000 - 0.75
CMS_2011_I889175 7000 - 0.67
CMS_2012_I1090423 7000 - 0.97
CMS_2015_I1327224 8000 - 1.2
CMS_2017_I1519995 13000 - 0.97
Dijet
 ΔR
 CMS_2021_I1847230 [8000..13000] - 0.73
Dijet
 Δφ
 ATLAS_2011_I889546 7000 - 1.3*
CMS_2011_I885663 7000 - 0.65*
CMS_2016_I1421646 8000 - 2.1*
CMS_2019_I1719955 13000 - 0.62
CMS_2021_I1932460 13000 - 17
Dijet
 pT balance
 CMS_2021_I1932460 13000 - 21
Dijet
 Δy
 CMS_2021_I1932460 13000 - 18
CMS_2021_I1963239 2760 - n/a
Dijet
 Δy ratio
 CMS_2021_I1963239 2760 - n/a
Jet mass
 Dijet mass
 ATLAS_2010_I871366 7000 - 0.22*
CMS_2013_I1224539 7000 - n/a
Jet mass
 Filtered dijet mass
 CMS_2013_I1224539 7000 - n/a
Jet mass
 Pruned dijet mass
 CMS_2013_I1224539 7000 - 25*
Jet mass
 Trimmed dijet mass
 CMS_2013_I1224539 7000 - 7.1*
Dijet
 ΔS (jet pairs)
 CMS_2021_I1932460 13000 - 7.0
Jet Shapes
 Differential Jet Shape
 ATLAS_2011_I882984 7000 - 0.87
Jet Shapes
 Integral Jet Shape
 ATLAS_2011_I882984 7000 - 0.093
Lund jet plane
 ln(R/ΔR)
 ATLAS_2020_I1790256 13000 - 1.6
Lund jet plane
 ln(1/z)
 ATLAS_2020_I1790256 13000 - 1.6
Jet Multiplicities
 Jet multiplicity
 ATLAS_2011_I917599 7000 - n/a
Jets + Veto
 Njet vs Δy (FB)
 ATLAS_2011_I917526 7000 - 1.2*
Jets + Veto
 Njet vs Δy (LJ)
 ATLAS_2011_I917526 7000 - 1.3*
Jets + Veto
 Njet vs pT (FB)
 ATLAS_2011_I917526 7000 - n/a
Jets + Veto
 Njet vs pT (LJ)
 ATLAS_2011_I917526 7000 - n/a
Jet Multiplicities
 Ratios of jet multiplicity
 ATLAS_2011_I917599 7000 - n/a
Jet Substructure
 Relative pT
 ATLAS_2019_I1740909 13000 - 2.3
Jet Substructure
 Radial profile ρ
 ATLAS_2019_I1740909 13000 - 3.3
Soft-drop
 Opening angle rg
 ATLAS_2019_I1772062 13000 - 22*
Soft-drop
 Relative jet mass ρ
 ATLAS_2019_I1772062 13000 - 1,500*
Soft-drop
 Relative pT zg
 1300 - n/a
ATLAS_2019_I1772062 13000 - 360,000*

* 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 1856 histograms.