Generator / tune

Details for Pythia 8.306 eetherm vs. 8.307

pp/ppbar → Jets


Observable Reference Energy χ2+5% (8.306) Δ χ2+5% (8.307)
Jet Multiplicities
R32 vs HT
ATLAS_2011_I917599 7000 n/a - n/a
CMS_2011_I912560 7000 n/a - n/a
Jet Multiplicities
R32 vs pT
ATLAS_2011_I917599 7000 0.46* -0.050 0.41*
Transverse Minor
CMS_2011_I886332 7000 0.65 +0.030 0.68
Transverse Thrust
CMS_2011_I886332 7000 0.98 -0.39 0.59
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.71* -0.040 0.67
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.47 +0.020 0.49
Jets + Veto
Gap fraction vs Δy
CMS_2012_I1102908 7000 n/a - n/a
Jets + Veto
Gap fraction vs Δy (FB)
ATLAS_2011_I917526 7000 0.28* -0.060 0.22*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.33* -0.040 0.29*
Jets + Veto
Gap fraction vs pT (FB)
ATLAS_2011_I917526 7000 n/a - n/a
Jets + Veto
Gap fraction vs pT (LJ)
ATLAS_2011_I917526 7000 n/a - n/a
HT(jets)
ATLAS_2011_I917599 7000 n/a - n/a
ET
CDF_1994_I374155 1800 n/a - n/a
Jet Shapes
Jet Angularity
ATLAS_2012_I1119557 7000 1.2 +0.80 2.0
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 7.3 -0.20 7.1
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 21* -1.0 20*
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 12* +4.0 16*
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.25 0 0.25
Jet Substructure
D2
ATLAS_2019_I1724098 13000 0.62 -0.48 0.14
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.37 0 0.37
Jet Substructure
Energy correlation ECF2
ATLAS_2019_I1724098 13000 0.46 -0.12 0.34
Jet Substructure
Energy correlation ECF3
ATLAS_2019_I1724098 13000 0.65 -0.36 0.29
Jet η
CDF_1994_I374155 1800 19 -7.0 12
CMS_2021_I1932460 13000 18 -1.0 17
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 0.29* -0.030 0.26*
CMS_2021_I1920187 13000 0.68 +0.13 0.81
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.2* 0 1.2*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 0.78 +0.080 0.86
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 0.95* -0.060 0.89
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.32 -0.020 0.30
ATLAS_2012_I1119557 7000 6.2 -0.10 6.1
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.18 -0.0100 0.17
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 3.9* +0.20 4.1*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 2.5* -0.20 2.3*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 29* +2.0 31*
CMS_2021_I1920187 13000 9.5* -0.100 9.4*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 5.1* -0.30 4.8*
Jet Shapes
< Nch > (Central)
ATLAS_2016_I1419070 8000 n/a - n/a
ATLAS_2019_I1740909 13000 n/a - n/a
Jet Substructure
Subjet multiplicity
ATLAS_2019_I1724098 13000 0.26 0 0.26
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 4.0 +3.3 7.3
Jet pT
ATLAS_2010_I871366 7000 0.56* - n/a
ATLAS_2011_I917599 7000 n/a - n/a
CMS_2011_I902309 7000 n/a - n/a
CMS_2012_I1087342 7000 n/a - n/a
CMS_2021_I1932460 13000 25* 0 25*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 1.8 -0.70 1.1
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 2.9 +0.10 3.0
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 4.1* +0.10 4.2*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.1* 0 2.1
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.9* 0 2.9*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.37 +0.010 0.38
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.14 -0.010 0.13
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 0.85 +0.25 1.1
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.2* +0.10 1.3*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 0.85 +0.13 0.98
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.79 +0.14 0.93
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 1.8 -0.50 1.3
CMS_2021_I1920187 13000 0.83 +0.070 0.90
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.1* +0.100 1.2*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 0.88 +0.12 1.0
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 0.90 0 0.90
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 3.9 +0.20 4.1
Jet Shapes
< Nch Difference > (Central-Fwd)
ATLAS_2016_I1419070 8000 n/a - n/a
Jet Shapes
< Nch > (Central+Fwd)
ATLAS_2016_I1419070 8000 n/a - n/a
Coherence
α
CDF_1994_I374155 1800 12 +12 24
Coherence
β
CMS_2013_I1265659 7000 1.2 +0.20 1.4
Dijet
χ
ATLAS_2010_I871366 7000 0.84 +0.020 0.86
CMS_2011_I889175 7000 0.73 +0.050 0.78
CMS_2012_I1090423 7000 0.81 +0.100 0.91
CMS_2015_I1327224 8000 1.6 -0.10 1.5
CMS_2017_I1519995 13000 0.74 +0.36 1.1
Dijet
ΔR
CDF_1994_I374155 1800 14 - n/a
CMS_2021_I1847230 [8000..13000] 1.3 -0.39 0.91
Dijet
Δφ
ATLAS_2011_I889546 7000 0.64* +1.6 2.2*
CMS_2011_I885663 7000 1.2* -0.44 0.76*
CMS_2016_I1421646 8000 3.0* -1.2 1.8*
CMS_2019_I1719955 13000 0.97 -0.18 0.79
CMS_2021_I1932460 13000 12 0 12
Dijet
pT balance
CMS_2021_I1932460 13000 15 0 15
Dijet
Δy
CMS_2021_I1932460 13000 14 -1.0 13
CMS_2021_I1963239 2760 n/a - 2.8
Dijet
Δy ratio
CMS_2021_I1963239 2760 n/a - 0.98
Jet mass
Dijet mass
ATLAS_2010_I871366 7000 0.50* +0.15 0.65*
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Filtered dijet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Pruned dijet mass
CMS_2013_I1224539 7000 19* -2.0 17*
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 6.4* +0.50 6.9*
Jet mass
Three-jet mass
D0_2011_I895662 1960 n/a - 6.3*
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 5.5 +0.90 6.4
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 0.75 +0.010 0.76
CDF_2005_I682179 1960 2.9 -0.40 2.5
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.053 +0.0090 0.062
CDF_2005_I682179 1960 0.20 -0.020 0.18
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 1.8 0 1.8
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 1.8 0 1.8
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 0.87* +0.050 0.92*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.0* -0.21 0.79*
Jets + Veto
Njet vs pT (FB)
ATLAS_2011_I917526 7000 n/a - n/a
Jets + Veto
Njet vs pT (LJ)
ATLAS_2011_I917526 7000 n/a - n/a
Jet Multiplicities
Ratios of jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jet Substructure
Relative pT
ATLAS_2019_I1740909 13000 3.0 +0.10 3.1
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 4.3 0 4.3
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 34* -30 4.4*
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 470* -450 25*
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 160* -140 23*
softfrop.zg
ATLAS_2019_I1772062 13000 0.39 +0.32 0.71

* 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 3838 histograms.