Generator / tune

Details for Pythia 6.427 361 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 1.0 +2.3 3.3
Transverse Thrust
CMS_2011_I886332 7000 1.2 +2.2 3.4
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.54 -0.050 0.49
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.54 +1.3 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 0.24* +0.29 0.53*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.38* +0.72 1.1*
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 18 -18 0.11
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 9.2* - n/a
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 42* - n/a
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 30* - n/a
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.89* -0.67 0.22*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.87* -0.73 0.14*
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 14 +6.0 20
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 5.8 -3.0 2.8
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.8* -1.5 1.3
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 4.6 -2.2 2.4*
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.7 -1.3 1.4
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.79* -0.61 0.18*
ATLAS_2012_I1119557 7000 17 -14 2.8
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.30* -0.010 0.29*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 2.1* -0.40 1.7*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 2.3* -0.40 1.9*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 6.1* -4.0 2.1*
CMS_2021_I1920187 13000 1.1* +0.90 2.0*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.8* +0.40 2.2*
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 0.23 +2.7 2.9
Jet pT
ATLAS_2010_I871366 7000 0.42* -0.13 0.29*
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 21 +7.0 28*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.52 +0.98 1.5
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.3* -0.10 1.2
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.0* +0.40 1.4*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.6* -0.20 1.4
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.2* +0.20 1.4*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.56* -0.15 0.41*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.16* +0.060 0.22*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 7.9 -4.8 3.1
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 3.5* -2.1 1.4*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 5.3 -2.8 2.5
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 3.1 -1.5 1.6
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 12 -7.9 4.1
CMS_2021_I1920187 13000 6.1 -3.4 2.7*
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 3.2* -1.9 1.3*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 4.9 -2.3 2.6
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 3.0* -1.5 1.5*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 2.1* -0.70 1.4*
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 1.1* - n/a
CMS_2012_I1090423 7000 0.96* - n/a
CMS_2015_I1327224 8000 0.83* - n/a
CMS_2017_I1519995 13000 2.1* - n/a
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 1.9 +0.20 2.1
Dijet
Δφ
ATLAS_2011_I889546 7000 1.3* 0 1.3*
CMS_2011_I885663 7000 0.80* +1.6 2.4*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.4* +0.80 2.2*
CMS_2021_I1932460 13000 12 +4.0 16
Dijet
pT balance
CMS_2021_I1932460 13000 13 +5.0 18
Dijet
Δy
CMS_2021_I1932460 13000 9.2 +4.8 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 - 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 3.8 +1.1 4.9
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 6.1 -3.8 2.3
CDF_2005_I682179 1960 9.9* - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.57 -0.29 0.28
CDF_2005_I682179 1960 0.52* - 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 0.87* +0.63 1.5*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 0.52* +1.8 2.3*
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 4.1* -1.7 2.4*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 3.2* -2.0 1.2*
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.