Generator / tune

Details for Pythia 8.306 ppthermNoScat vs. 8.307

pp/ppbar → Jets


Observable Reference Energy χ2+5% (8.306) Δ χ2+5% (8.307)
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 - 0.44*
Transverse Minor
 CMS_2011_I886332 7000 0.72 +0.010 0.73
Transverse Thrust
 CMS_2011_I886332 7000 0.83 +0.16 0.99
Jets + Veto
 Gap frac. vs Veto scale (FB)
 ATLAS_2011_I917526 7000 1.1 -0.49 0.61
Jets + Veto
 Gap frac. vs Veto scale (LJ)
 ATLAS_2011_I917526 7000 0.54 +0.100 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 0.21* -0.050 0.16*
Jets + Veto
 Gap fraction vs Δy (LJ)
 ATLAS_2011_I917526 7000 0.18* +0.55 0.73*
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 0.56 +4.7 5.3
Jet Charge
 Jet Charge Q
 CMS_2017_I1605749 8000 6.8 +0.60 7.4
Jet Charge
 Jet Charge Mean
 ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
 Jet Charge QL
 CMS_2017_I1605749 8000 19* +2.0 21*
Jet Charge
 Jet Charge RMS
 ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
 Jet Charge QT
 CMS_2017_I1605749 8000 15* -1.0 14*
Jet Substructure
 C2
 ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
 Splitting scale d12
 ATLAS_2012_I1094564 7000 0.21 0 0.21
Jet Substructure
 D2
 ATLAS_2019_I1724098 13000 0.92 -0.36 0.56
Jet Substructure
 Splitting scale d23
 ATLAS_2012_I1094564 7000 0.25 0 0.25
Jet Substructure
 Energy correlation ECF2
 ATLAS_2019_I1724098 13000 0.53 -0.15 0.38
Jet Substructure
 Energy correlation ECF3
 ATLAS_2019_I1724098 13000 1.1* -0.42 0.68*
Jet η
 CDF_1994_I374155 1800 22 -8.0 14
CMS_2021_I1932460 13000 12 +3.0 15
Generalized angularities
 LHA λ10.5
 ATLAS_2019_I1724098 13000 0.37 -0.100 0.27*
CMS_2021_I1920187 13000 0.90* +0.20 1.1
Generalized angularities
 LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 1.3* 0 1.3*
Generalized angularities
 Groomed LHA λ10.5
 CMS_2021_I1920187 13000 0.91 +0.080 0.99
Generalized angularities
 Groomed LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 1.0 -0.030 0.97*
Jet mass
 Jet mass
 ATLAS_2012_I1094564 7000 0.35 0 0.35
ATLAS_2012_I1119557 7000 3.9 +1.9 5.8
Jet mass
 Filtered jet mass
 ATLAS_2012_I1094564 7000 0.19 -0.020 0.17
Generalized angularities
 Multiplicity λ00
 CMS_2021_I1920187 13000 4.2* +0.40 4.6*
Generalized angularities
 Groomed multiplicity λ00
 CMS_2021_I1920187 13000 2.6* +0.10 2.7*
Generalized angularities
 Multiplicity λ00 (charged only)
 ATLAS_2019_I1740909 13000 34* -2.0 32*
CMS_2021_I1920187 13000 10* +1.0 11*
Generalized angularities
 Groomed multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 5.3* +0.50 5.8*
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 0.28 -0.12 0.16
Jet Shapes
 Jet Planar Flow
 ATLAS_2012_I1119557 7000 4.0 -1.7 2.3
Jet pT
 ATLAS_2010_I871366 7000 0.86* -0.18 0.68*
ATLAS_2011_I917599 7000 n/a - n/a
CMS_2011_I902309 7000 n/a - n/a
CMS_2012_I1087342 7000 n/a - 2.2*
CMS_2021_I1932460 13000 19* +4.0 23*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
 CMS_2021_I1847230 [8000..13000] 2.6 -1.3 1.3
Generalized angularities
 (pDT)2 λ20
 CMS_2021_I1920187 13000 3.2 +0.30 3.5
Generalized angularities
 (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 4.3* +0.20 4.5*
Generalized angularities
 Groomed (pDT)2 λ20
 CMS_2021_I1920187 13000 2.3 0 2.3
Generalized angularities
 Groomed (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 3.1* +0.40 3.5*
Jet Substructure
 N-subjettiness τ2/τ1
 ATLAS_2012_I1094564 7000 0.24 +0.090 0.33
Jet Substructure
 N-subjettiness τ3/τ2
 ATLAS_2012_I1094564 7000 0.17 -0.010 0.16
Generalized angularities
 Thrust λ12
 CMS_2021_I1920187 13000 1.6 -0.10 1.5
Generalized angularities
 Thrust λ12 (charged only)
 CMS_2021_I1920187 13000 1.3* +0.100 1.4*
Generalized angularities
 Groomed thrust λ12
 CMS_2021_I1920187 13000 1.3 -0.10 1.2
Generalized angularities
 Groomed thrust λ12 (charged only)
 CMS_2021_I1920187 13000 1.0 0 1.0
Generalized angularities
 Width λ11
 ATLAS_2012_I1119557 7000 1.4 -0.100 1.3
CMS_2021_I1920187 13000 1.1 0 1.1
Generalized angularities
 Width λ11 (charged only)
 CMS_2021_I1920187 13000 1.1* +0.100 1.2*
Generalized angularities
 Groomed width λ11
 CMS_2021_I1920187 13000 1.1 0 1.1
Generalized angularities
 Groomed width λ11 (charged only)
 CMS_2021_I1920187 13000 1.1 -0.13 0.97
Jet Substructure
 Momentum fraction z
 ATLAS_2019_I1740909 13000 4.5 0 4.5
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 20 -1.0 19
Coherence
 β
 CMS_2013_I1265659 7000 1.3 +0.40 1.7
Dijet
 χ
 ATLAS_2010_I871366 7000 0.89 -0.040 0.85
CMS_2011_I889175 7000 0.76 -0.12 0.64
CMS_2012_I1090423 7000 0.80 -0.060 0.74
CMS_2015_I1327224 8000 1.5 0 1.5
CMS_2017_I1519995 13000 0.87 +0.100 0.97
Dijet
 ΔR
 CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 0.70 +0.27 0.97
Dijet
 Δφ
 ATLAS_2011_I889546 7000 0.75* +0.14 0.89*
CMS_2011_I885663 7000 0.41* +0.29 0.70*
CMS_2016_I1421646 8000 1.8* +1.6 3.4*
CMS_2019_I1719955 13000 0.79 -0.010 0.78
CMS_2021_I1932460 13000 8.3 +2.7 11
Dijet
 pT balance
 CMS_2021_I1932460 13000 10 +3.0 13
Dijet
 Δy
 CMS_2021_I1932460 13000 11 +1.0 12
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 0.37* +0.070 0.44*
CMS_2013_I1224539 7000 18* +1.0 19*
Jet mass
 Filtered dijet mass
 CMS_2013_I1224539 7000 15* 0 15*
Jet mass
 Pruned dijet mass
 CMS_2013_I1224539 7000 28* -4.0 24*
Jet mass
 Trimmed dijet mass
 CMS_2013_I1224539 7000 6.8* -0.20 6.6*
Jet mass
 Three-jet mass
 D0_2011_I895662 1960 7.6* -2.7 4.9*
Dijet
 ΔS (jet pairs)
 CMS_2021_I1932460 13000 4.8 +0.90 5.7
Jet Shapes
 Differential Jet Shape
 ATLAS_2011_I882984 7000 0.64 +0.060 0.70
CDF_2005_I682179 1960 2.6 +0.10 2.7
Jet Shapes
 Integral Jet Shape
 ATLAS_2011_I882984 7000 0.036 +0.012 0.048
CDF_2005_I682179 1960 0.23 +0.020 0.25
Lund jet plane
 ln(R/ΔR)
 ATLAS_2020_I1790256 13000 1.9 0 1.9
Lund jet plane
 ln(1/z)
 ATLAS_2020_I1790256 13000 2.0 -0.10 1.9
Jet Multiplicities
 Jet multiplicity
 ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
 Njet vs Δy (FB)
 ATLAS_2011_I917526 7000 1.5* +0.10 1.6*
Jets + Veto
 Njet vs Δy (LJ)
 ATLAS_2011_I917526 7000 0.82* +0.48 1.3*
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 3.4 0 3.4
Jet Substructure
 Radial profile ρ
 ATLAS_2019_I1740909 13000 4.8 +0.10 4.9
Soft-drop
 Opening angle rg
 ATLAS_2019_I1772062 13000 16* -6.3 9.7*
Soft-drop
 Relative jet mass ρ
 ATLAS_2019_I1772062 13000 6.6* -2.9 3.7*
Soft-drop
 Relative pT zg
 ATLAS_2019_I1772062 13000 180,000* -180,000 4.5*
softfrop.zg
 ATLAS_2019_I1772062 13000 0.46 +0.060 0.52

* 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 3837 histograms.