Generator

Details for Pythia 8.306 default vs. default-CD

pp/ppbar → Jets


Observable Reference Energy χ2+5% (default) Δ χ2+5% (default-CD)
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 0.47* - n/a
Transverse Minor
CMS_2011_I886332 7000 0.77 +0.43 1.2
Transverse Thrust
CMS_2011_I886332 7000 1.1 +0.20 1.3
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.79 +0.020 0.81
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.96 -0.18 0.78
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 0.33* +0.16 0.49*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.59* +1.0 1.6*
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 17 -14 3.3
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 7.3 -1.4 5.9
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 20* -2.0 18*
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 10* -1.8 8.2*
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.27 -0.020 0.25
Jet Substructure
D2
ATLAS_2019_I1724098 13000 0.27 +0.060 0.33
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.38 0 0.38
Jet Substructure
Energy correlation ECF2
ATLAS_2019_I1724098 13000 0.41 -0.030 0.38
Jet Substructure
Energy correlation ECF3
ATLAS_2019_I1724098 13000 0.54 +0.20 0.74
Jet η
CDF_1994_I374155 1800 28 -14 14
CMS_2021_I1932460 13000 16 0 16
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 0.28* +0.090 0.37*
CMS_2021_I1920187 13000 0.81* +0.15 0.96*
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.3* +0.100 1.4*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 0.82* +0.15 0.97*
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 0.92* +0.18 1.1*
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.33 0 0.33
ATLAS_2012_I1119557 7000 5.5 +1.0 6.5
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.21 -0.020 0.19
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 3.1* +0.30 3.4*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 2.1* +0.30 2.4*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 18* +1.0 19*
CMS_2021_I1920187 13000 7.5* +0.60 8.1*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 3.9* +0.10 4.0*
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 0.17 +0.10 0.27
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 8.9 -4.7 4.2
Jet pT
ATLAS_2010_I871366 7000 1.1* -0.27 0.83*
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 23 0 23*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 1.1 -0.41 0.69
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 2.8 +0.30 3.1
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 3.3* +0.30 3.6*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.9 +0.20 2.1
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.4* +0.10 2.5*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.37 -0.020 0.35
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.20 -0.020 0.18
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 1.1 -0.10 1.0
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.4* 0 1.4*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.1* -0.10 1.0*
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.95 +0.020 0.97
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 1.8 -0.20 1.6
CMS_2021_I1920187 13000 0.92* +0.050 0.97*
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.3* -0.10 1.2*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 0.98* +0.12 1.1*
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 0.86* +0.11 0.97*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 3.0 -0.20 2.8
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 18 +4.0 22
Coherence
β
CMS_2013_I1265659 7000 1.6 +0.100 1.7
Dijet
χ
ATLAS_2010_I871366 7000 0.91 -0.010 0.90
CMS_2011_I889175 7000 0.64 +0.040 0.68
CMS_2012_I1090423 7000 1.0 -0.13 0.87
CMS_2015_I1327224 8000 1.4 +0.10 1.5
CMS_2017_I1519995 13000 1.0 -0.080 0.92
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 1.3 -0.44 0.86
Dijet
Δφ
ATLAS_2011_I889546 7000 1.4* -0.63 0.77*
CMS_2011_I885663 7000 0.76* +0.060 0.82*
CMS_2016_I1421646 8000 2.0* +0.60 2.6*
CMS_2019_I1719955 13000 0.86 +0.12 0.98
CMS_2021_I1932460 13000 12 -2.0 10
Dijet
pT balance
CMS_2021_I1932460 13000 14 -1.0 13
Dijet
Δy
CMS_2021_I1932460 13000 14 -1.0 13
CMS_2021_I1963239 2760 n/a - n/a
Dijet
Δy ratio
CMS_2021_I1963239 2760 n/a - n/a
Jet mass
Dijet mass
ATLAS_2010_I871366 7000 0.45* +0.19 0.64*
CMS_2013_I1224539 7000 11* +4.0 15*
Jet mass
Filtered dijet mass
CMS_2013_I1224539 7000 6.8* +4.2 11*
Jet mass
Pruned dijet mass
CMS_2013_I1224539 7000 24* +1.0 25*
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 6.7* +0.60 7.3*
Jet mass
Three-jet mass
D0_2011_I895662 1960 5.1* -2.8 2.3*
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 5.4 -0.30 5.1
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 0.91 +0.19 1.1
CDF_2005_I682179 1960 2.5 -0.20 2.3
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.064 +0.023 0.087
CDF_2005_I682179 1960 0.20 -0.020 0.18
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 1.9 -0.20 1.7
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 1.9 -0.20 1.7
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 1.1* -0.11 0.99*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.0* +0.40 1.4*
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 2.8 0 2.8
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 2.7 -0.10 2.6
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 5.4* -2.1 3.3*
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 100* +2,400 2,500*
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 26* -19 7.0*
softfrop.zg
ATLAS_2019_I1772062 13000 0.60 -0.12 0.48

* 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.