Generator / tune

Details for Pythia 6.426 z1-lep 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 - 0.85*
Transverse Minor
 CMS_2011_I886332 7000 1.0 +0.30 1.3
Transverse Thrust
 CMS_2011_I886332 7000 0.85 +0.15 1.0
Jets + Veto
 Gap frac. vs Veto scale (FB)
 ATLAS_2011_I917526 7000 0.64 +5.9 6.5
Jets + Veto
 Gap frac. vs Veto scale (LJ)
 ATLAS_2011_I917526 7000 0.44 +0.20 0.64
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 0.15* +0.10 0.25*
Jets + Veto
 Gap fraction vs Δy (LJ)
 ATLAS_2011_I917526 7000 0.44* -0.080 0.36*
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 3.1 -2.0 1.1
Jet Charge
 Jet Charge Q
 CMS_2017_I1605749 8000 5.3* -1.0 4.3*
Jet Charge
 Jet Charge Mean
 ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
 Jet Charge QL
 CMS_2017_I1605749 8000 27* +2.0 29*
Jet Charge
 Jet Charge RMS
 ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
 Jet Charge QT
 CMS_2017_I1605749 8000 n/a - 16*
Jet Substructure
 C2
 ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
 Splitting scale d12
 ATLAS_2012_I1094564 7000 0.68* +0.020 0.70*
Jet Substructure
 D2
 ATLAS_2019_I1724098 13000 0.29 - n/a
Jet Substructure
 Splitting scale d23
 ATLAS_2012_I1094564 7000 0.39* +0.040 0.43*
Jet Substructure
 Energy correlation ECF2
 ATLAS_2019_I1724098 13000 0.39 - n/a
Jet Substructure
 Energy correlation ECF3
 ATLAS_2019_I1724098 13000 0.35 - n/a
Jet η
 CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1932460 13000 13 -
Generalized angularities
 LHA λ10.5
 ATLAS_2019_I1724098 13000 0.56* - n/a
CMS_2021_I1920187 13000 2.8 +0.70 3.5
Generalized angularities
 LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 1.4* +0.20 1.6*
Generalized angularities
 Groomed LHA λ10.5
 CMS_2021_I1920187 13000 2.5* +0.50 3.0
Generalized angularities
 Groomed LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 1.5 +0.10 1.6
Jet mass
 Jet mass
 ATLAS_2012_I1094564 7000 0.59* +0.060 0.65*
ATLAS_2012_I1119557 7000 15 -2.0 13
Jet mass
 Filtered jet mass
 ATLAS_2012_I1094564 7000 0.20* +0.020 0.22*
Generalized angularities
 Multiplicity λ00
 CMS_2021_I1920187 13000 1.2* +0.30 1.5*
Generalized angularities
 Groomed multiplicity λ00
 CMS_2021_I1920187 13000 1.7* 0 1.7*
Generalized angularities
 Multiplicity λ00 (charged only)
 ATLAS_2019_I1740909 13000 3.7* -1.8 1.9*
CMS_2021_I1920187 13000 2.2* -0.80 1.4*
Generalized angularities
 Groomed multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 1.7* -0.30 1.4*
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 0.49 - n/a
Jet Shapes
 Jet Planar Flow
 ATLAS_2012_I1119557 7000 1.5 -1.2 0.34
Jet pT
 ATLAS_2010_I871366 7000 0.59* -0.26 0.33*
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* -
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
 CMS_2021_I1847230 [8000..13000] 1.4 -0.100 1.3
Generalized angularities
 (pDT)2 λ20
 CMS_2021_I1920187 13000 1.1 0 1.1*
Generalized angularities
 (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 1.4* -0.30 1.1*
Generalized angularities
 Groomed (pDT)2 λ20
 CMS_2021_I1920187 13000 1.1 +0.100 1.2*
Generalized angularities
 Groomed (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 1.1* -0.10 1.0*
Jet Substructure
 N-subjettiness τ2/τ1
 ATLAS_2012_I1094564 7000 0.84* -0.30 0.54*
Jet Substructure
 N-subjettiness τ3/τ2
 ATLAS_2012_I1094564 7000 0.30* -0.17 0.13*
Generalized angularities
 Thrust λ12
 CMS_2021_I1920187 13000 4.6 +0.20 4.8
Generalized angularities
 Thrust λ12 (charged only)
 CMS_2021_I1920187 13000 1.9* +0.20 2.1*
Generalized angularities
 Groomed thrust λ12
 CMS_2021_I1920187 13000 3.4 -0.10 3.3
Generalized angularities
 Groomed thrust λ12 (charged only)
 CMS_2021_I1920187 13000 2.0 +0.10 2.1*
Generalized angularities
 Width λ11
 ATLAS_2012_I1119557 7000 5.7 +0.90 6.6
CMS_2021_I1920187 13000 3.2* +0.50 3.7*
Generalized angularities
 Width λ11 (charged only)
 CMS_2021_I1920187 13000 1.8* 0 1.8*
Generalized angularities
 Groomed width λ11
 CMS_2021_I1920187 13000 3.0* +0.10 3.1
Generalized angularities
 Groomed width λ11 (charged only)
 CMS_2021_I1920187 13000 1.9 0 1.9
Jet Substructure
 Momentum fraction z
 ATLAS_2019_I1740909 13000 1.3* +0.20 1.5*
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 24 - n/a
Coherence
 β
 CMS_2013_I1265659 7000 n/a - 2.3
Dijet
 χ
 ATLAS_2010_I871366 7000 n/a - n/a
CMS_2011_I889175 7000 n/a - 0.56*
CMS_2012_I1090423 7000 n/a - 0.56*
CMS_2015_I1327224 8000 n/a - 1.0*
CMS_2017_I1519995 13000 n/a - 1.7*
Dijet
 ΔR
 CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 1.2 +0.60 1.8
Dijet
 Δφ
 ATLAS_2011_I889546 7000 1.0* +0.20 1.2*
CMS_2011_I885663 7000 0.85* +0.25 1.1*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 2.1* -0.60 1.5*
CMS_2021_I1932460 13000 11 -
Dijet
 pT balance
 CMS_2021_I1932460 13000 13 -
Dijet
 Δy
 CMS_2021_I1932460 13000 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 0.14* - n/a
CMS_2013_I1224539 7000 n/a - 130*
Jet mass
 Filtered dijet mass
 CMS_2013_I1224539 7000 n/a - 99*
Jet mass
 Pruned dijet mass
 CMS_2013_I1224539 7000 n/a - 160*
Jet mass
 Trimmed dijet mass
 CMS_2013_I1224539 7000 n/a - 79*
Jet mass
 Three-jet mass
 D0_2011_I895662 1960 n/a - n/a
Dijet
 ΔS (jet pairs)
 CMS_2021_I1932460 13000 4.5 -
Jet Shapes
 Differential Jet Shape
 ATLAS_2011_I882984 7000 2.4 +0.10 2.5
CDF_2005_I682179 1960 5.0* - n/a
Jet Shapes
 Integral Jet Shape
 ATLAS_2011_I882984 7000 0.16 +0.030 0.19
CDF_2005_I682179 1960 0.80* - 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 0.84* +0.12 0.96*
Jets + Veto
 Njet vs Δy (LJ)
 ATLAS_2011_I917526 7000 0.80* -0.010 0.79*
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 2.8* -0.80 2.0*
Jet Substructure
 Radial profile ρ
 ATLAS_2019_I1740909 13000 1.8* +0.90 2.7*
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 3738 histograms.