Generator / tune

Details for Pythia 6.426 dw 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 -
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 0.77 +0.17 0.94
Transverse Thrust
CMS_2011_I886332 7000 0.51 +0.28 0.79
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.79 +0.11 0.90
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.15 +0.81 0.96
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 0.37* -0.080 0.29*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.47* -0.040 0.43*
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 -
ET
CDF_1994_I374155 1800 n/a - n/a
Jet Shapes
Jet Angularity
ATLAS_2012_I1119557 7000 1.9 +3.3 5.2
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 7.8* - n/a
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 21* - n/a
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 11* - n/a
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.083* +0.037 0.12*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 0.91 - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.84* -0.100 0.74*
Jet Substructure
Energy correlation ECF2
ATLAS_2019_I1724098 13000 0.59 - n/a
Jet Substructure
Energy correlation ECF3
ATLAS_2019_I1724098 13000 0.56* - n/a
Jet η
CDF_1994_I374155 1800 n/a - 26
CMS_2021_I1932460 13000 14 0 14
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 0.52* - n/a
CMS_2021_I1920187 13000 2.0 +0.50 2.5*
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.3* +0.100 1.4*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.5 +0.20 1.7
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1* 0 1.1*
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 1.2* -0.100 1.1*
ATLAS_2012_I1119557 7000 14 0 14
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.42* -0.100 0.32*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.2* +0.30 1.5*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.3* +0.100 1.4*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 10* +1.0 11*
CMS_2021_I1920187 13000 2.3* +0.30 2.6*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.1* -0.13 0.97*
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 0.87 - n/a
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 25 -5.0 20
Jet pT
ATLAS_2010_I871366 7000 0.30* -0.080 0.22*
ATLAS_2011_I917599 7000 n/a -
CMS_2011_I902309 7000 n/a - n/a
CMS_2012_I1087342 7000 n/a - n/a
CMS_2021_I1932460 13000 21* 0 21*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.81 +0.39 1.2
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.1 -0.13 0.97*
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.1* -0.12 0.98*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 0.91 +0.080 0.99*
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.98* -0.14 0.84*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 1.9* -0.20 1.7*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.28* -0.060 0.22*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 3.8 +0.70 4.5
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.0* +0.40 2.4*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.7 +0.20 1.9
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.3 0 1.3
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 1.7 0 1.7
CMS_2021_I1920187 13000 2.2 +0.20 2.4
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.5* 0 1.5*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.6 +0.100 1.7*
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.1* +0.100 1.2*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 2.0* +2.7 4.7*
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 - 16
Coherence
β
CMS_2013_I1265659 7000 n/a - 1.2
Dijet
χ
ATLAS_2010_I871366 7000 0.98* - n/a
CMS_2011_I889175 7000 0.74* - n/a
CMS_2012_I1090423 7000 1.1* - n/a
CMS_2015_I1327224 8000 n/a - n/a
CMS_2017_I1519995 13000 n/a - 0.92*
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 0.88 +0.080 0.96
Dijet
Δφ
ATLAS_2011_I889546 7000 1.4* -0.65 0.75*
CMS_2011_I885663 7000 0.97* -0.21 0.76*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.2* +0.20 1.4*
CMS_2021_I1932460 13000 11 +1.0 12
Dijet
pT balance
CMS_2021_I1932460 13000 14 +1.0 15
Dijet
Δy
CMS_2021_I1932460 13000 12 +2.0 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 0.086* - 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 - 24*
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 n/a - 7.6*
Jet mass
Three-jet mass
D0_2011_I895662 1960 n/a - n/a
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 1.9 +0.60 2.5
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 2.6 +0.10 2.7
CDF_2005_I682179 1960 n/a - 3.3*
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.22 -0.060 0.16
CDF_2005_I682179 1960 n/a - 0.46*
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 -
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 2.4* -1.0 1.4*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 2.6* +0.10 2.7*
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 -
Jet Substructure
Relative pT
ATLAS_2019_I1740909 13000 1.6* -0.92 0.68*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 1.9* +2.5 4.4*
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 3813 histograms.