Generator / tune

Details for Pythia 6.427 359 vs. 6.428

pp/ppbar → Jets


Observable Reference Energy χ2+5% (6.427) Δ χ2+5% (6.428)
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 1.9 +2.7 4.6
Transverse Thrust
CMS_2011_I886332 7000 1.7 +2.5 4.2
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.40 +1.4 1.8
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 1.4 -0.54 0.86
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 0.31* +0.12 0.43*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.38* +0.92 1.3*
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 1.6 +2.6 4.2
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 0.22* +0.22 0.44*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.095* +0.39 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 13 +1.0 14
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 1.7 -0.90 0.80
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1* 0 1.1*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.5 -0.69 0.81
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1* -0.24 0.86*
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.50* -0.29 0.21*
ATLAS_2012_I1119557 7000 10 -5.2 4.8
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.14* +0.22 0.36*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.7* +1.4 3.1*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.2* +1.4 2.6*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 8.1* +4.9 13*
CMS_2021_I1920187 13000 4.0* +2.9 6.9*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 2.1* +2.2 4.3*
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 3.0 +4.6 7.6
Jet pT
ATLAS_2010_I871366 7000 0.54* -0.090 0.45*
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 19* +2.0 21*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.76 +1.0 1.8
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.6 +0.70 2.3
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.2* +0.80 3.0*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.4 +0.20 1.6
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.7* +0.40 2.1*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.44* -0.24 0.20*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.12* -0.045 0.075*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 3.3 -2.1 1.2
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.5* -0.63 0.87*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.2 -1.2 0.98
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.5 -0.60 0.90*
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 2.5 -0.70 1.8
CMS_2021_I1920187 13000 2.2 -1.4 0.84*
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.3* -0.30 1.00*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.7 -0.81 0.89
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.3 -0.49 0.81
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 2.2* +0.80 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 n/a - n/a
Coherence
β
CMS_2013_I1265659 7000 n/a - n/a
Dijet
χ
ATLAS_2010_I871366 7000 n/a - n/a
CMS_2011_I889175 7000 n/a - n/a
CMS_2012_I1090423 7000 0.55* - n/a
CMS_2015_I1327224 8000 1.6* - n/a
CMS_2017_I1519995 13000 n/a - n/a
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 1.3 -0.20 1.1
Dijet
Δφ
ATLAS_2011_I889546 7000 0.87* +1.0 1.9*
CMS_2011_I885663 7000 1.2* +1.5 2.7*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.3* +2.1 3.4*
CMS_2021_I1932460 13000 11 0 11
Dijet
pT balance
CMS_2021_I1932460 13000 11 +3.0 14
Dijet
Δy
CMS_2021_I1932460 13000 10 -0.20 9.8
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 32* - n/a
Jet mass
Pruned dijet mass
CMS_2013_I1224539 7000 53* - n/a
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 23* - n/a
Jet mass
Three-jet mass
D0_2011_I895662 1960 n/a - n/a
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 3.8 +0.40 4.2
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 1.5 -0.58 0.92
CDF_2005_I682179 1960 4.8* - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.095 -0.0100 0.085
CDF_2005_I682179 1960 0.74* - n/a
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 1.5 - n/a
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 1.5 - n/a
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 0.98* +0.82 1.8*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.1* +1.6 2.7*
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 1.8* +0.30 2.1*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 1.3* +1.3 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.