Generator

Details for Pythia 8.240 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 0.46* - n/a
Transverse Minor
CMS_2011_I886332 7000 0.71 -0.15 0.56
Transverse Thrust
CMS_2011_I886332 7000 0.96 -0.58 0.38
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.57 +1.0 1.6
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.80 +0.70 1.5
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 0.095* +0.27 0.36*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.28* +0.29 0.57*
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 5.5 -1.8 3.7
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 n/a - n/a
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 n/a - n/a
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 n/a - n/a
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.28* 0 0.28*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.39* +0.090 0.48*
Jet Substructure
Energy correlation ECF2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Energy correlation ECF3
ATLAS_2019_I1724098 13000 n/a - n/a
Jet η
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1932460 13000 17 -1.0 16
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 0.78 +0.070 0.85
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.7* -0.100 1.6*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 0.77* +0.010 0.78*
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1 -0.10 1.00
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.30* +0.050 0.35*
ATLAS_2012_I1119557 7000 7.5 0 7.5
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.19* +0.020 0.21*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 4.8* 0 4.8*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 2.6* 0 2.6*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 25* -8.0 17*
CMS_2021_I1920187 13000 10* -0.50 9.5*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 4.7* 0 4.7*
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 - n/a
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 7.8 -0.60 7.2
Jet pT
ATLAS_2010_I871366 7000 1.1* -0.10 1.0*
ATLAS_2011_I917599 7000 2.0* - n/a
CMS_2011_I902309 7000 n/a - n/a
CMS_2012_I1087342 7000 n/a - n/a
CMS_2021_I1932460 13000 26* -4.0 22*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 1.8 -0.30 1.5
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 3.2 -0.10 3.1
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 4.2* +0.100 4.3*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.2 0 2.2
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.9* -0.10 2.8*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.71* -0.12 0.59*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.27* +0.16 0.43*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 0.98 -0.010 0.97
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.6* 0 1.6*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 0.86 +0.040 0.90
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.80* +0.11 0.91*
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 2.4 +0.10 2.5
CMS_2021_I1920187 13000 0.80 +0.010 0.81*
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.4* 0 1.4*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 0.81* +0.19 1.0*
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 0.98* -0.040 0.94
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 4.5* -1.3 3.2*
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 n/a - n/a
Coherence
β
CMS_2013_I1265659 7000 n/a - n/a
Dijet
χ
ATLAS_2010_I871366 7000 n/a - 1.3*
CMS_2011_I889175 7000 n/a - 0.66*
CMS_2012_I1090423 7000 0.33* +0.87 1.2*
CMS_2015_I1327224 8000 n/a - n/a
CMS_2017_I1519995 13000 1.7* - n/a
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 1.5 -0.68 0.82
Dijet
Δφ
ATLAS_2011_I889546 7000 1.0* -0.19 0.81*
CMS_2011_I885663 7000 0.78* +0.11 0.89*
CMS_2016_I1421646 8000 n/a - 1.2*
CMS_2019_I1719955 13000 1.3* -0.10 1.2*
CMS_2021_I1932460 13000 11 +1.0 12
Dijet
pT balance
CMS_2021_I1932460 13000 14 0 14
Dijet
Δy
CMS_2021_I1932460 13000 13 +1.0 14
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 n/a - 0.60*
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 14* +2.0 16*
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 8.5* -1.1 7.4*
Jet mass
Three-jet mass
D0_2011_I895662 1960 n/a - n/a
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 5.2 -2.4 2.8
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 0.88 0 0.88
CDF_2005_I682179 1960 n/a - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.068 +0.013 0.081
CDF_2005_I682179 1960 n/a - n/a
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 n/a - n/a
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 n/a - n/a
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 0.88* +0.92 1.8*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 0.79* +0.31 1.1*
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 3.9* -1.5 2.4*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 5.7* -3.1 2.6*
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 n/a - n/a
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 n/a - n/a
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 n/a - n/a
softfrop.zg
ATLAS_2019_I1772062 13000 n/a - n/a

* 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.