Generator / tune

Details for Pythia 6.427 346 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 1.8 +2.3 4.1
Transverse Thrust
CMS_2011_I886332 7000 1.4 +2.8 4.2
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.52 +0.98 1.5
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.56 +5.2 5.8
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 0.19* +0.81 1.0*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.38* +1.4 1.8*
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 5.7 -1.6 4.1
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 0.84* +1.5 2.3*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 1.7* +2.8 4.5*
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 +2.0 14
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 2.4* +2.1 4.5
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 4.2* +2.2 6.4*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.8* +1.00 2.8*
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.4* +1.1 3.5
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.41* +0.79 1.2*
ATLAS_2012_I1119557 7000 8.8 +19 28
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.22* +0.030 0.25*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 11* +5.0 16*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 5.6* +3.1 8.7*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 55* +11 66*
CMS_2021_I1920187 13000 17* +8.0 25*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 9.5* +3.5 13*
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 58 +17 75
Jet pT
ATLAS_2010_I871366 7000 0.36* +0.19 0.55*
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 17* +5.0 22
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.60 +1.1 1.7
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 8.7 +2.3 11
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 10* +3.0 13*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 6.1 +2.1 8.2
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 7.3* +2.2 9.5*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 3.5* -0.50 3.0*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.79* -0.20 0.59*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 1.0 +1.3 2.3
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.6* +2.5 5.1*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.4 +0.30 1.7*
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.4 +0.80 2.2*
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 11 +33 44
CMS_2021_I1920187 13000 1.4 +1.2 2.6
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 3.1* +1.8 4.9*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.6* +0.50 2.1*
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 14* +2.0 16*
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 1.1* - n/a
CMS_2011_I889175 7000 0.78* - n/a
CMS_2012_I1090423 7000 1.1* - 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] 1.7 -0.100 1.6
Dijet
Δφ
ATLAS_2011_I889546 7000 1.3* +0.100 1.4*
CMS_2011_I885663 7000 1.1* +1.4 2.5*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.4* +1.1 2.5*
CMS_2021_I1932460 13000 9.8 +1.2 11
Dijet
pT balance
CMS_2021_I1932460 13000 12 +1.0 13
Dijet
Δy
CMS_2021_I1932460 13000 8.5 +2.5 11
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 0.17* - 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 5.2 +0.80 6.0
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 1.8 +2.4 4.2
CDF_2005_I682179 1960 1.4* - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.24 +0.38 0.62
CDF_2005_I682179 1960 0.089* - 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 1.1* +2.1 3.2*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.1* +3.6 4.7*
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 5.0* +0.40 5.4*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 9.4* +4.6 14*
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.