Generator

Details for Pythia 8.303 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 n/a - n/a
Transverse Minor
CMS_2011_I886332 7000 0.64 -0.12 0.52
Transverse Thrust
CMS_2011_I886332 7000 0.72 +0.28 1.0
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.47 +0.93 1.4*
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 1.4 -0.40 1.0
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 0.73* -0.38 0.35*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 1.3* -0.84 0.46*
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 2.6 -1.5 1.1
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 6.5 +0.80 7.3
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 19* +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* -1.0 11*
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.24 +0.050 0.29
Jet Substructure
D2
ATLAS_2019_I1724098 13000 0.51 -0.080 0.43
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.45 -0.060 0.39
Jet Substructure
Energy correlation ECF2
ATLAS_2019_I1724098 13000 0.60 -0.13 0.47
Jet Substructure
Energy correlation ECF3
ATLAS_2019_I1724098 13000 1.0 -0.32 0.68
Jet η
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1932460 13000 16 +1.0 17
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 0.29* -0.040 0.25*
CMS_2021_I1920187 13000 0.83* +0.080 0.91
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.5* +0.10 1.6*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 0.96 -0.11 0.85
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1* -0.10 1.0*
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.37 -0.030 0.34
ATLAS_2012_I1119557 7000 6.6 -1.2 5.4
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.22 -0.070 0.15
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 3.3* -0.100 3.2*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.8* +0.100 1.9*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 19* -2.0 17*
CMS_2021_I1920187 13000 6.9* +0.60 7.5*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 3.4* +0.10 3.5*
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 0.20 -0.020 0.18
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 4.6 -1.7 2.9
Jet pT
ATLAS_2010_I871366 7000 0.82* -0.19 0.63*
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 22* +3.0 25*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 1.9 -0.92 0.98
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 3.7* 0 3.7*
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 2.4* +0.10 2.5*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.33 +0.030 0.36
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.21 -0.050 0.16
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 1.2 -0.100 1.1
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.5* 0 1.5*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.1 -0.15 0.95
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.95 -0.060 0.89
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 2.0 +0.20 2.2
CMS_2021_I1920187 13000 0.97 -0.12 0.85*
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.3* +0.100 1.4*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.1* -0.17 0.93
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.0* 0 1.0*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 3.0 0 3.0
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 22 -10 12
Coherence
β
CMS_2013_I1265659 7000 1.4 0 1.4
Dijet
χ
ATLAS_2010_I871366 7000 0.79 +0.11 0.90
CMS_2011_I889175 7000 0.88 -0.16 0.72
CMS_2012_I1090423 7000 0.83 +0.090 0.92
CMS_2015_I1327224 8000 1.7 -0.20 1.5
CMS_2017_I1519995 13000 0.85 +0.060 0.91
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 0.89 +0.11 1.0
Dijet
Δφ
ATLAS_2011_I889546 7000 1.2* -0.100 1.1*
CMS_2011_I885663 7000 0.81* +0.69 1.5*
CMS_2016_I1421646 8000 2.1* -0.50 1.6*
CMS_2019_I1719955 13000 0.83 -0.060 0.77
CMS_2021_I1932460 13000 11 +1.0 12
Dijet
pT balance
CMS_2021_I1932460 13000 13 +1.0 14
Dijet
Δy
CMS_2021_I1932460 13000 14 +1.0 15
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 0.37* +0.090 0.46*
CMS_2013_I1224539 7000 11* +1.0 12*
Jet mass
Filtered dijet mass
CMS_2013_I1224539 7000 11* -3.2 7.8*
Jet mass
Pruned dijet mass
CMS_2013_I1224539 7000 26* 0 26*
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 8.7* -0.90 7.8*
Jet mass
Three-jet mass
D0_2011_I895662 1960 4.3* +1.4 5.7*
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 3.7 +0.50 4.2
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 0.80 -0.050 0.75
CDF_2005_I682179 1960 2.3 +0.10 2.4
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.055 +0.013 0.068
CDF_2005_I682179 1960 0.19 0 0.19
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 1.8 +0.100 1.9
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 1.8 +0.100 1.9
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 1.0* +0.10 1.1*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 0.98* -0.27 0.71*
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 2.7 -0.10 2.6
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 2.5 +0.10 2.6
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 3.8* +0.50 4.3*
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 7.5* +93 100*
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 3.0* -0.40 2.6*
softfrop.zg
ATLAS_2019_I1772062 13000 0.47 +0.32 0.79

* 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 3829 histograms.