Generator / tune

Details for Pythia 8.313 tune-2c vs. 8.315

pp/ppbar → Jets


Observable Reference Energy χ2+5% (8.313) Δ χ2+5% (8.315)
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 - 0.51*
Transverse Minor
 CMS_2011_I886332 7000 1.2 -0.90 0.30
Transverse Thrust
 CMS_2011_I886332 7000 0.72 -0.13 0.59
Jets + Veto
 Gap frac. vs Veto scale (FB)
 ATLAS_2011_I917526 7000 0.37 +0.16 0.53
Jets + Veto
 Gap frac. vs Veto scale (LJ)
 ATLAS_2011_I917526 7000 0.91 -0.51 0.40
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 0.31* -0.040 0.27*
Jets + Veto
 Gap fraction vs Δy (LJ)
 ATLAS_2011_I917526 7000 0.43* -0.26 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 n/a - 2.3
Jet Charge
 Jet Charge Q
 CMS_2017_I1605749 8000 5.6 +8.4 14
Jet Charge
 Jet Charge Mean
 ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
 Jet Charge QL
 CMS_2017_I1605749 8000 26* +4.0 30
Jet Charge
 Jet Charge RMS
 ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
 Jet Charge QT
 CMS_2017_I1605749 8000 9.1* +12 21
Jet Substructure
 C2
 ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
 Splitting scale d12
 ATLAS_2012_I1094564 7000 0.17 +0.0100 0.18
Jet Substructure
 D2
 ATLAS_2019_I1724098 13000 0.10 +0.23 0.33
Jet Substructure
 Splitting scale d23
 ATLAS_2012_I1094564 7000 0.097 -0.016 0.081
Jet Substructure
 Energy correlation ECF2
 ATLAS_2019_I1724098 13000 0.33 -0.11 0.22
Jet Substructure
 Energy correlation ECF3
 ATLAS_2019_I1724098 13000 0.52 -0.28 0.24
Jet η
 CDF_1994_I374155 1800 20 +2.0 22
CMS_2021_I1932460 13000 19 -1.0 18
Generalized angularities
 LHA λ10.5
 ATLAS_2019_I1724098 13000 0.29* -0.100 0.19*
CMS_2021_I1920187 13000 0.91* +0.090 1.0
Generalized angularities
 LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 1.2* -0.20 1.0
Generalized angularities
 Groomed LHA λ10.5
 CMS_2021_I1920187 13000 1.0* -0.050 0.95
Generalized angularities
 Groomed LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 0.87* 0 0.87
Jet mass
 Jet mass
 ATLAS_2012_I1094564 7000 0.41 -0.020 0.39
ATLAS_2012_I1119557 7000 5.5 +1.0 6.5
Jet mass
 Filtered jet mass
 ATLAS_2012_I1094564 7000 0.21 +0.070 0.28
Generalized angularities
 Multiplicity λ00
 CMS_2021_I1920187 13000 3.3* -0.20 3.1*
Generalized angularities
 Groomed multiplicity λ00
 CMS_2021_I1920187 13000 2.1* -0.10 2.0*
Generalized angularities
 Multiplicity λ00 (charged only)
 ATLAS_2019_I1740909 13000 17* +37 54*
CMS_2021_I1920187 13000 6.9* -0.20 6.7*
Generalized angularities
 Groomed multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 3.5* +0.40 3.9*
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 0.20 -0.080 0.12
Jet Shapes
 Jet Planar Flow
 ATLAS_2012_I1119557 7000 1.4 0 1.4
Jet pT
 ATLAS_2010_I871366 7000 1.7* -0.96 0.74*
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 29* -2.0 27*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
 CMS_2021_I1847230 [8000..13000] 1.4 -0.41 0.99
Generalized angularities
 (pDT)2 λ20
 CMS_2021_I1920187 13000 2.6 -0.10 2.5
Generalized angularities
 (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 3.4* -0.20 3.2*
Generalized angularities
 Groomed (pDT)2 λ20
 CMS_2021_I1920187 13000 2.2* -0.10 2.1
Generalized angularities
 Groomed (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 2.5* -0.10 2.4*
Jet Substructure
 N-subjettiness τ2/τ1
 ATLAS_2012_I1094564 7000 0.11 +0.020 0.13
Jet Substructure
 N-subjettiness τ3/τ2
 ATLAS_2012_I1094564 7000 0.075 -0.0050 0.070
Generalized angularities
 Thrust λ12
 CMS_2021_I1920187 13000 1.6 +0.100 1.7
Generalized angularities
 Thrust λ12 (charged only)
 CMS_2021_I1920187 13000 1.1* 0 1.1
Generalized angularities
 Groomed thrust λ12
 CMS_2021_I1920187 13000 1.0 +0.10 1.1
Generalized angularities
 Groomed thrust λ12 (charged only)
 CMS_2021_I1920187 13000 0.86 +0.030 0.89
Generalized angularities
 Width λ11
 ATLAS_2012_I1119557 7000 2.1 +0.20 2.3
CMS_2021_I1920187 13000 1.1* +0.100 1.2
Generalized angularities
 Width λ11 (charged only)
 CMS_2021_I1920187 13000 0.93* +0.040 0.97*
Generalized angularities
 Groomed width λ11
 CMS_2021_I1920187 13000 1.0 +0.10 1.1
Generalized angularities
 Groomed width λ11 (charged only)
 CMS_2021_I1920187 13000 0.93 -0.090 0.84
Jet Substructure
 Momentum fraction z
 ATLAS_2019_I1740909 13000 2.9 +0.20 3.1
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 16 -1.0 15
Coherence
 β
 CMS_2013_I1265659 7000 1.2 +1.2 2.4
Dijet
 χ
 ATLAS_2010_I871366 7000 0.65 +0.030 0.68
CMS_2011_I889175 7000 0.69 -0.21 0.48
CMS_2012_I1090423 7000 0.95 -0.41 0.54
CMS_2015_I1327224 8000 1.6 +0.30 1.9
CMS_2017_I1519995 13000 0.84 +0.11 0.95
Dijet
 ΔR
 CDF_1994_I374155 1800 n/a - 36
CMS_2021_I1847230 [8000..13000] 1.2 -0.34 0.86
Dijet
 Δφ
 ATLAS_2011_I889546 7000 1.7* -0.85 0.85*
CMS_2011_I885663 7000 0.91* -0.24 0.67*
CMS_2016_I1421646 8000 3.2* -0.90 2.3*
CMS_2019_I1719955 13000 0.60 -0.12 0.48
CMS_2021_I1932460 13000 13 0 13
Dijet
 pT balance
 CMS_2021_I1932460 13000 17 -2.0 15
Dijet
 Δy
 CMS_2021_I1932460 13000 12 +1.0 13
CMS_2021_I1963239 2760 3.3 +0.90 4.2
Dijet
 Δy ratio
 CMS_2021_I1963239 2760 0.40 0 0.40
Jet mass
 Dijet mass
 ATLAS_2010_I871366 7000 0.31* +0.080 0.39
CMS_2013_I1224539 7000 n/a - 39*
Jet mass
 Filtered dijet mass
 CMS_2013_I1224539 7000 n/a - 26*
Jet mass
 Pruned dijet mass
 CMS_2013_I1224539 7000 20* +58 78*
Jet mass
 Trimmed dijet mass
 CMS_2013_I1224539 7000 7.1* +13 20*
Jet mass
 Three-jet mass
 D0_2011_I895662 1960 1.5* +2.3 3.8
Dijet
 ΔS (jet pairs)
 CMS_2021_I1932460 13000 5.8 -0.100 5.7
Jet Shapes
 Differential Jet Shape
 ATLAS_2011_I882984 7000 0.97 -0.060 0.91
CDF_2005_I682179 1960 2.5 +1.8 4.3
Jet Shapes
 Integral Jet Shape
 ATLAS_2011_I882984 7000 0.064 -0.0060 0.058
CDF_2005_I682179 1960 0.19 +0.020 0.21
Lund jet plane
 ln(R/ΔR)
 ATLAS_2020_I1790256 13000 1.5 0 1.5
Lund jet plane
 ln(1/z)
 ATLAS_2020_I1790256 13000 1.5 0 1.5
Jet Multiplicities
 Jet multiplicity
 ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
 Njet vs Δy (FB)
 ATLAS_2011_I917526 7000 0.77* -0.080 0.69*
Jets + Veto
 Njet vs Δy (LJ)
 ATLAS_2011_I917526 7000 1.1* -0.34 0.76*
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 2.4 -0.10 2.3
Jet Substructure
 Radial profile ρ
 ATLAS_2019_I1740909 13000 2.2 +0.100 2.3
Soft-drop
 Opening angle rg
 ATLAS_2019_I1772062 13000 11* +10,000 10,000
Soft-drop
 Relative jet mass ρ
 ATLAS_2019_I1772062 13000 3.0* +15 18*
Soft-drop
 Relative pT zg
 ATLAS_2019_I1772062 13000 12* -10 1.7*
softfrop.zg
 ATLAS_2019_I1772062 13000 0.49 -0.090 0.40

* 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.