Generator

Details for Pythia 8.301 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 0.76 -0.040 0.72
Transverse Thrust
CMS_2011_I886332 7000 0.85 -0.090 0.76
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.81 +0.0100 0.82
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.77 -0.19 0.58
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 0.38* -0.020 0.36*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.65* -0.29 0.36*
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 2.1 +0.80 2.9
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 3.6* +4.0 7.6
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 n/a - 20*
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 n/a - 13*
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.26 +0.020 0.28
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - 0.72
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.37 0 0.37
Jet Substructure
Energy correlation ECF2
ATLAS_2019_I1724098 13000 n/a - 0.41
Jet Substructure
Energy correlation ECF3
ATLAS_2019_I1724098 13000 n/a - 0.50*
Jet η
CDF_1994_I374155 1800 17 -4.0 13
CMS_2021_I1932460 13000 17 +1.0 18
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - 0.21*
CMS_2021_I1920187 13000 0.88 +0.020 0.90
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.5* 0 1.5*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 0.86* +0.14 1.0
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.00 0 1.0
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.33 -0.010 0.32
ATLAS_2012_I1119557 7000 5.7 +1.6 7.3
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.14 +0.040 0.18
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 3.5* -0.40 3.1*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 2.4* -0.30 2.1*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 14* +4.0 18*
CMS_2021_I1920187 13000 7.5* -0.30 7.2*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 3.7* -0.20 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 n/a - 0.15
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 5.7 +3.2 8.9
Jet pT
ATLAS_2010_I871366 7000 1.0* +0.20 1.2*
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 24 +2.0 26
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 1.2 +0.20 1.4
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 3.1 -0.20 2.9
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 3.6* +0.10 3.7*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.0* -0.10 1.9
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.5* 0 2.5*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.27 +0.050 0.32
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.18 +0.020 0.20
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 1.0 +0.10 1.1
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.5* -0.10 1.4*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 0.91 +0.050 0.96
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.88 +0.020 0.90
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 2.0 0 2.0
CMS_2021_I1920187 13000 0.82* +0.060 0.88
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.3* 0 1.3*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 0.96* +0.14 1.1
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 0.86* +0.090 0.95
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 3.0* +0.10 3.1
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 15 +10 25
Coherence
β
CMS_2013_I1265659 7000 1.4 +0.20 1.6
Dijet
χ
ATLAS_2010_I871366 7000 0.78 +0.12 0.90
CMS_2011_I889175 7000 0.61 -0.040 0.57
CMS_2012_I1090423 7000 0.92 -0.12 0.80
CMS_2015_I1327224 8000 1.3 +0.20 1.5
CMS_2017_I1519995 13000 n/a - 0.82
Dijet
ΔR
CDF_1994_I374155 1800 18 - n/a
CMS_2021_I1847230 [8000..13000] 1.4 -0.44 0.96
Dijet
Δφ
ATLAS_2011_I889546 7000 0.80* +1.1 1.9*
CMS_2011_I885663 7000 1.0* - n/a
CMS_2016_I1421646 8000 1.4* +0.50 1.9*
CMS_2019_I1719955 13000 1.3* -0.45 0.85
CMS_2021_I1932460 13000 11 +1.0 12
Dijet
pT balance
CMS_2021_I1932460 13000 14 +1.0 15
Dijet
Δy
CMS_2021_I1932460 13000 14 +2.0 16
CMS_2021_I1963239 2760 n/a - 4.9
Dijet
Δy ratio
CMS_2021_I1963239 2760 n/a - 0.80
Jet mass
Dijet mass
ATLAS_2010_I871366 7000 0.51* +0.060 0.57*
CMS_2013_I1224539 7000 16* - n/a
Jet mass
Filtered dijet mass
CMS_2013_I1224539 7000 12* - n/a
Jet mass
Pruned dijet mass
CMS_2013_I1224539 7000 17* +2.0 19*
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 7.6* -1.3 6.3*
Jet mass
Three-jet mass
D0_2011_I895662 1960 1.7* +1.7 3.4*
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 3.8 +2.9 6.7
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 0.72 +0.080 0.80
CDF_2005_I682179 1960 2.7 -0.40 2.3
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.051 +0.0090 0.060
CDF_2005_I682179 1960 0.17 +0.0100 0.18
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 n/a - 1.9
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 n/a - 1.9
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 0.72* +0.38 1.1*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.00* -0.18 0.82*
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 1.9* +0.90 2.8
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 1.9* +1.0 2.9
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 n/a - 40*
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 n/a - 3.1*
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 n/a - 12*
softfrop.zg
ATLAS_2019_I1772062 13000 n/a - 0.52

* 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 3826 histograms.