Generator

Details for Pythia 6.425 default vs. 350

pp/ppbar → Jets


Observable Reference Energy χ2+5% (default) Δ χ2+5% (350)
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 2.9* - n/a
Transverse Minor
CMS_2011_I886332 7000 1.6 -0.10 1.5
Transverse Thrust
CMS_2011_I886332 7000 1.4 -0.100 1.3
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.82* -0.19 0.63*
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.74 -0.19 0.55
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 0.29* +0.020 0.31*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.53* -0.23 0.30*
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 -1.7 0.41
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 n/a - 3.6*
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 n/a - 17*
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 n/a - 8.1*
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.16* +0.080 0.24*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.98* -0.87 0.11*
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 16 -1.0 15
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 2.3 -1.00 1.3
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.3* -0.30 1.0*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.5* -0.20 1.3
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1 -0.19 0.91
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 1.3* -0.85 0.45*
ATLAS_2012_I1119557 7000 12 -4.4 7.6
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.61* -0.39 0.22*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.4* +0.50 1.9*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.5* -0.10 1.4*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 4.1* +4.6 8.7*
CMS_2021_I1920187 13000 3.6* +0.90 4.5*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 0.99* +1.0 2.0*
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 n/a - n/a
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 23 -18 5.4
Jet pT
ATLAS_2010_I871366 7000 0.26* +0.22 0.48*
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 22*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 1.9 -1.4 0.52
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.1* +0.80 1.9*
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.93* +1.5 2.4*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.0* +0.30 1.3*
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.91* +0.69 1.6*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 2.2* -1.6 0.56*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.29* -0.100 0.19*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 4.5 -1.9 2.6
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.3* -1.1 1.2*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.7 +0.10 1.8
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.3 -0.20 1.1
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 2.6 -1.2 1.4
CMS_2021_I1920187 13000 2.6* -0.90 1.7
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.5* -0.40 1.1*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.6* -0.10 1.5
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.1 -0.10 1.0*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 3.2* -1.3 1.9*
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 0.41* - n/a
CMS_2011_I889175 7000 n/a - 0.62*
CMS_2012_I1090423 7000 0.50* +0.34 0.84*
CMS_2015_I1327224 8000 n/a - 1.1*
CMS_2017_I1519995 13000 n/a - 0.49*
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 1.1 +0.60 1.7
Dijet
Δφ
ATLAS_2011_I889546 7000 1.4* -0.30 1.1*
CMS_2011_I885663 7000 1.6* -0.50 1.1*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.5* +0.40 1.9*
CMS_2021_I1932460 13000 15 -4.0 11
Dijet
pT balance
CMS_2021_I1932460 13000 17 -3.0 14
Dijet
Δy
CMS_2021_I1932460 13000 14 -4.3 9.7
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 - n/a
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 n/a - n/a
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Three-jet mass
D0_2011_I895662 1960 n/a - n/a
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 4.1 +1.4 5.5
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 2.9 -1.6 1.3
CDF_2005_I682179 1960 4.5* -1.2 3.3*
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.15 -0.059 0.091
CDF_2005_I682179 1960 0.23* +0.21 0.44*
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 n/a - 1.6
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 n/a - 1.6
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 1.6* -0.20 1.4*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 2.3* -1.6 0.69*
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 0.84* +1.2 2.0*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 3.4* -2.3 1.1*
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.