Generator / tune

Details for Pythia 6.426 360 vs. 6.427

pp/ppbar → Jets


Observable Reference Energy χ2+5% (6.426) Δ χ2+5% (6.427)
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 1.4 0 1.4
Transverse Thrust
CMS_2011_I886332 7000 1.2 0 1.2
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.62 +0.21 0.83
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.33 +0.11 0.44
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 0.21* -0.060 0.15*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.27* -0.10 0.17*
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 1.8 +4.7 6.5
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 4.7* - n/a
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 32* - 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 1.2* 0 1.2*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 1.8* 0 1.8*
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 14 0 14
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 6.8 +0.60 7.4
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 3.4* +0.40 3.8*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 4.8* +0.40 5.2
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.9 +0.30 3.2
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 2.4* -0.10 2.3*
ATLAS_2012_I1119557 7000 30 -2.0 28
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.27* -0.030 0.24*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 2.8* 0 2.8*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 2.4* +0.20 2.6*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 3.1* -0.80 2.3*
CMS_2021_I1920187 13000 1.4* -0.20 1.2*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 2.0* +0.30 2.3*
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 2.6 +1.6 4.2
Jet pT
ATLAS_2010_I871366 7000 0.56* +0.21 0.77*
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* -1.0 20
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.80 -0.090 0.71
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.8 -0.10 1.7*
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.2* +0.10 1.3*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 2.0 0 2.0*
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.3* +0.100 1.4*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 1.0* -0.12 0.88*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.31* -0.030 0.28*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 9.0 +1.0 10
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 4.8 +0.60 5.4
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 5.2 +0.90 6.1
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 3.2 +0.50 3.7
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 19 -1.0 18
CMS_2021_I1920187 13000 6.6* +0.80 7.4*
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 3.7* +0.60 4.3*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 5.0 +0.50 5.5
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 3.2* +0.50 3.7
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 3.6* 0 3.6*
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 1.4* - n/a
CMS_2011_I889175 7000 1.0* -0.39 0.61*
CMS_2012_I1090423 7000 1.3* - n/a
CMS_2015_I1327224 8000 n/a - 1.1*
CMS_2017_I1519995 13000 1.1* - n/a
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 2.6 -1.4 1.2
Dijet
Δφ
ATLAS_2011_I889546 7000 0.61* +0.050 0.66*
CMS_2011_I885663 7000 0.85* -0.32 0.53*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.7* -0.20 1.5*
CMS_2021_I1932460 13000 10 +1.0 11
Dijet
pT balance
CMS_2021_I1932460 13000 12 0 12
Dijet
Δy
CMS_2021_I1932460 13000 9.8 -0.40 9.4
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 0.14* - n/a
CMS_2013_I1224539 7000 140* - n/a
Jet mass
Filtered dijet mass
CMS_2013_I1224539 7000 96* - n/a
Jet mass
Pruned dijet mass
CMS_2013_I1224539 7000 140* - n/a
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 70* - n/a
Jet mass
Three-jet mass
D0_2011_I895662 1960 n/a - n/a
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 5.3 -1.6 3.7
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 11 -1.2 9.8
CDF_2005_I682179 1960 13* -6.9 6.1*
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.95 -0.040 0.91
CDF_2005_I682179 1960 2.4* -1.8 0.56*
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 0.89* -0.030 0.86*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.2* -0.63 0.57*
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 4.3* -0.100 4.2*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 6.4* -0.50 5.9*
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.