Generator / tune

Details for Pythia 6.427 358 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 0.57* - n/a
Transverse Minor
CMS_2011_I886332 7000 1.4 +2.8 4.2
Transverse Thrust
CMS_2011_I886332 7000 1.6 +2.7 4.3
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.46 +1.0 1.5*
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.45 +1.4 1.8
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 0.20* +0.0100 0.21*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.68* +0.82 1.5*
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 1.1 +5.3 6.4
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 7.4* - 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 0.20* +0.30 0.50*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.098* +0.48 0.58*
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 12 +3.0 15
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 1.7 -0.94 0.76*
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.2* -0.100 1.1*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.4* -0.68 0.72
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1 -0.30 0.80*
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.44* -0.16 0.28*
ATLAS_2012_I1119557 7000 6.2 -0.40 5.8
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.17* +0.12 0.29*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.8* +1.6 3.4*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.7* +0.60 2.3*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 9.4* +4.6 14*
CMS_2021_I1920187 13000 4.6* +2.6 7.2*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.9* +2.4 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 7.1 +7.9 15
Jet pT
ATLAS_2010_I871366 7000 0.74* -0.33 0.41*
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 18* +4.0 22*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.64 +0.66 1.3
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.8* +0.40 2.2
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.3* +0.70 3.0*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.4* +0.40 1.8*
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.7* +0.60 2.3*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.59* -0.36 0.23*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.15* -0.052 0.098*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 3.1 -2.1 1.0
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.4* -0.46 0.94*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.1 -1.2 0.93
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.4* -0.61 0.79
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 1.3 +0.90 2.2
CMS_2021_I1920187 13000 2.1* -1.2 0.89
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.2* -0.26 0.94*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.7 -0.82 0.88*
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.2* -0.47 0.73*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 1.8* +1.4 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 1.6 - n/a
Dijet
χ
ATLAS_2010_I871366 7000 n/a - n/a
CMS_2011_I889175 7000 n/a - n/a
CMS_2012_I1090423 7000 0.98* - n/a
CMS_2015_I1327224 8000 n/a - 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] 1.5 +0.10 1.6
Dijet
Δφ
ATLAS_2011_I889546 7000 1.5* +0.30 1.8*
CMS_2011_I885663 7000 1.3* +1.3 2.6*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.7* +0.60 2.3*
CMS_2021_I1932460 13000 8.8 +2.2 11
Dijet
pT balance
CMS_2021_I1932460 13000 11 +2.0 13
Dijet
Δy
CMS_2021_I1932460 13000 8.0 +2.0 10
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 3.6 +0.90 4.5
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 1.1 -0.33 0.77
CDF_2005_I682179 1960 3.4* - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.080 -0.021 0.059
CDF_2005_I682179 1960 0.31* - 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* +1.2 2.1*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.0* +2.3 3.3*
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 2.0* -0.60 1.4*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 1.3* +1.1 2.4*
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.