Generator / tune

Details for Pythia 6.427 347 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 1.3 +2.4 3.7
Transverse Thrust
CMS_2011_I886332 7000 1.2 +2.6 3.8
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 1.0 +1.5 2.5*
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.85 +1.2 2.0
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 0.29* +0.010 0.30*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.47* - 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 7.5 -5.4 2.1
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 0.88* +1.8 2.7*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 1.8* +3.0 4.8*
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 2.4 +2.0 4.4*
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 4.3* +2.5 6.8*
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 2.6 +1.0 3.6
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.39* +0.71 1.1*
ATLAS_2012_I1119557 7000 9.7 +19 29
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.17* +0.10 0.27*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 11* +6.0 17*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 6.4* +2.7 9.1*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 43* +14 57*
CMS_2021_I1920187 13000 19* +7.0 26*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 10* +5.0 15*
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 35 +31 66
Jet pT
ATLAS_2010_I871366 7000 0.37* -0.21 0.16*
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* +4.0 23*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.95 +0.25 1.2
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 9.0 +3.0 12*
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 6.3 +2.1 8.4
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 7.7* +2.1 9.8*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 3.2* -0.40 2.8*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.78* -0.080 0.70*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 1.2 +0.90 2.1
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.7* +2.1 4.8*
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 +0.40 1.9*
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 12 +39 51
CMS_2021_I1920187 13000 1.3* +1.1 2.4
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 3.3* +1.7 5.0*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.6 +0.40 2.0*
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 2.2* +0.60 2.8*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 11* +4.0 15*
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 0.95* - n/a
CMS_2012_I1090423 7000 0.47* - n/a
CMS_2015_I1327224 8000 0.28* - 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] 1.2 +0.10 1.3
Dijet
Δφ
ATLAS_2011_I889546 7000 1.7* -0.30 1.4*
CMS_2011_I885663 7000 1.1* +1.0 2.1*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.7* +1.6 3.3*
CMS_2021_I1932460 13000 9.4 +2.6 12
Dijet
pT balance
CMS_2021_I1932460 13000 11 +3.0 14
Dijet
Δy
CMS_2021_I1932460 13000 8.2 +1.8 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 1.3* - n/a
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 3.7 +2.2 5.9
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 1.7 +2.5 4.2
CDF_2005_I682179 1960 1.1* - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.21 +0.32 0.53
CDF_2005_I682179 1960 0.041* - 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 1.8* +1.3 3.1*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.4* +3.3 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 5.2* +0.20 5.4*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 10* +4.0 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.