Generator / tune

Details for Pythia 8.306 pptherm 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 0.56* - n/a
Transverse Minor
CMS_2011_I886332 7000 0.90 -0.24 0.66
Transverse Thrust
CMS_2011_I886332 7000 0.85 +0.15 1.0
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.53* +0.11 0.64
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.67 +0.53 1.2
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 0.59* -0.41 0.18*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.48* +0.090 0.57*
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 13 -8.3 4.7
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 10.0 -3.3 6.7
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 17* -2.0 15*
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 11* +1.0 12*
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.21 -0.0100 0.20
Jet Substructure
D2
ATLAS_2019_I1724098 13000 1.0 -0.16 0.84
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.24 +0.020 0.26
Jet Substructure
Energy correlation ECF2
ATLAS_2019_I1724098 13000 0.41 +0.080 0.49
Jet Substructure
Energy correlation ECF3
ATLAS_2019_I1724098 13000 0.79* -0.15 0.64
Jet η
CDF_1994_I374155 1800 24 -1.0 23
CMS_2021_I1932460 13000 12 +1.0 13
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 0.24* +0.10 0.34*
CMS_2021_I1920187 13000 0.94* -0.090 0.85
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.5* -0.10 1.4*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 0.97 0 0.97
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1* -0.10 1.0*
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.34 0 0.34
ATLAS_2012_I1119557 7000 6.1 -1.3 4.8
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.21 -0.040 0.17
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 6.8* +0.30 7.1*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 3.9* +0.50 4.4*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 40* -3.0 37*
CMS_2021_I1920187 13000 11* +1.0 12*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 6.8* +0.50 7.3*
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 0.19 +0.010 0.20
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 2.8 +2.2 5.0
Jet pT
ATLAS_2010_I871366 7000 0.84* -0.21 0.63*
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 18* +2.0 20
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 2.0 -0.70 1.3
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 5.0 -0.70 4.3
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 5.8* -0.50 5.3*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 3.5 -0.50 3.0
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 4.0* -0.30 3.7*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.31 +0.010 0.32
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.26 -0.040 0.22
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 1.4 +0.20 1.6
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.2* +0.20 1.4*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.1 +0.30 1.4
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.00 -0.010 0.99
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 1.5 -0.40 1.1
CMS_2021_I1920187 13000 1.0* +0.10 1.1
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.1* 0 1.1*
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 1.1* -0.12 0.98
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 6.7 -0.60 6.1
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 19 -2.0 17
Coherence
β
CMS_2013_I1265659 7000 1.2 -0.100 1.1
Dijet
χ
ATLAS_2010_I871366 7000 0.74 +0.13 0.87
CMS_2011_I889175 7000 0.77 -0.060 0.71
CMS_2012_I1090423 7000 0.86 -0.010 0.85
CMS_2015_I1327224 8000 1.4 -0.100 1.3
CMS_2017_I1519995 13000 1.1 -0.32 0.78
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 0.77 -0.010 0.76
Dijet
Δφ
ATLAS_2011_I889546 7000 0.88* -0.46 0.42*
CMS_2011_I885663 7000 1.0* -0.13 0.87*
CMS_2016_I1421646 8000 0.87* +1.6 2.5*
CMS_2019_I1719955 13000 0.71 +0.17 0.88
CMS_2021_I1932460 13000 8.1 +1.7 9.8
Dijet
pT balance
CMS_2021_I1932460 13000 11 0 11
Dijet
Δy
CMS_2021_I1932460 13000 10 +2.0 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 0.51* +0.26 0.77*
CMS_2013_I1224539 7000 21* - n/a
Jet mass
Filtered dijet mass
CMS_2013_I1224539 7000 17* - n/a
Jet mass
Pruned dijet mass
CMS_2013_I1224539 7000 27* 0 27*
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 6.3* +1.0 7.3*
Jet mass
Three-jet mass
D0_2011_I895662 1960 - 4.9*
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 2.4 +1.9 4.3
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 0.72 +0.23 0.95
CDF_2005_I682179 1960 2.7 -0.20 2.5
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.041 +0.027 0.068
CDF_2005_I682179 1960 0.27 0 0.27
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 2.0 +0.10 2.1
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 2.1 0 2.1
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 0.68* +0.32 1.0*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 0.80* -0.16 0.64*
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 4.2 -0.20 4.0
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 6.7 -0.60 6.1
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 8.2* +7.8 16*
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 360* -340 16*
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 16* +610 630*
softfrop.zg
ATLAS_2019_I1772062 13000 0.92 -0.29 0.63

* 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 3833 histograms.