Generator / tune

Details for Pythia 6.427 348 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 - 1.0*
Transverse Minor
CMS_2011_I886332 7000 1.4 +3.4 4.8
Transverse Thrust
CMS_2011_I886332 7000 1.5 +2.8 4.3
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.60* +1.6 2.2
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.41* +5.8 6.2
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 0.52* -0.37 0.15*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.33* - n/a
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 0.93 +3.1 4.0
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 0.99* +1.6 2.6*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 2.1* +2.9 5.0*
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 11 +1.0 12
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 2.4* +1.8 4.2*
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 4.2* +2.1 6.3*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.9* +0.70 2.6
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.6 +0.90 3.5
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.37* +0.63 1.0*
ATLAS_2012_I1119557 7000 11 +15 26
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.24* -0.030 0.21*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 12* +3.0 15*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 6.2* +2.8 9.0*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 39* +6.0 45*
CMS_2021_I1920187 13000 19* +7.0 26*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 11* +3.0 14*
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 56 +7.0 63
Jet pT
ATLAS_2010_I871366 7000 0.44* +0.090 0.53*
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* +1.0 19*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.23 +1.3 1.5
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 8.5 +2.5 11
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 10* +2.0 12*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 5.8 +1.2 7.0
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 7.4* +1.4 8.8*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 3.4* -0.20 3.2*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.90* -0.16 0.74*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 1.2 +1.0 2.2
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.5* +2.0 4.5*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.5* +0.20 1.7
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.5 +0.50 2.0
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 16 +31 47
CMS_2021_I1920187 13000 1.4* +1.0 2.4
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 3.0* +1.9 4.9*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.5* +0.50 2.0*
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 2.1 +0.70 2.8
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 9.2* +3.8 13*
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 0.88* - n/a
CMS_2011_I889175 7000 0.70* - n/a
CMS_2012_I1090423 7000 0.45* - n/a
CMS_2015_I1327224 8000 0.83* - n/a
CMS_2017_I1519995 13000 0.59* - n/a
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 0.95 +0.35 1.3
Dijet
Δφ
ATLAS_2011_I889546 7000 0.87* +0.33 1.2*
CMS_2011_I885663 7000 1.1* +1.2 2.3*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.3* +0.70 2.0*
CMS_2021_I1932460 13000 9.0 +1.0 10
Dijet
pT balance
CMS_2021_I1932460 13000 11 0 11
Dijet
Δy
CMS_2021_I1932460 13000 7.5 +0.70 8.2
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 0.22* - 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 4.5 -0.50 4.0
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 1.8 +1.9 3.7
CDF_2005_I682179 1960 n/a - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.19 +0.27 0.46
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 1.7* +1.6 3.3*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.1* +3.1 4.2*
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 3.8* +1.8 5.6*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 7.3* +4.7 12*
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 3837 histograms.