Generator / tune

Details for Pythia 8.308 CP2-CR2 vs. 8.313

pp/ppbar → Jets


Observable Reference Energy χ2+5% (8.308) Δ χ2+5% (8.313)
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 - n/a
Transverse Minor
CMS_2011_I886332 7000 0.79 0 0.79
Transverse Thrust
CMS_2011_I886332 7000 0.83 +0.17 1.0
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.54 +0.13 0.67
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 1.3 -0.10 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 0.73* -0.28 0.45*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 1.1* -0.19 0.91*
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 1.3 -0.10 1.2
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 10 -2.8 7.2
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 30* -4.0 26*
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 20* -4.0 16*
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.19 +0.010 0.20
Jet Substructure
D2
ATLAS_2019_I1724098 13000 0.096 +0.044 0.14
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.15 +0.010 0.16
Jet Substructure
Energy correlation ECF2
ATLAS_2019_I1724098 13000 0.41 +0.17 0.58
Jet Substructure
Energy correlation ECF3
ATLAS_2019_I1724098 13000 1.1 +0.20 1.3
Jet η
CDF_1994_I374155 1800 29 -6.0 23
CMS_2021_I1932460 13000 29 +3.0 32
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 0.41* -0.030 0.38
CMS_2021_I1920187 13000 0.97 +0.33 1.3*
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 0.90* +0.100 1.0*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.1 +0.20 1.3*
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 0.79 +0.17 0.96
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.26 0 0.26
ATLAS_2012_I1119557 7000 5.2 -1.5 3.7
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.18 0 0.18
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 0.60* +0.17 0.77*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.4* -0.100 1.3*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 10.0* -1.8 8.2*
CMS_2021_I1920187 13000 2.3* -0.30 2.0*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.0* -0.030 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 0.37 +0.010 0.38
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 4.4 +0.50 4.9
Jet pT
ATLAS_2010_I871366 7000 1.2* +0.20 1.4*
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 36* +8.0 44*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 1.4 +0.10 1.5
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.4 +0.10 1.5
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.4* 0 1.4*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 0.97* -0.020 0.95*
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.1* 0 1.1*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.19 +0.020 0.21
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.044 -0.0090 0.035
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 0.93 +0.27 1.2
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.99 +0.11 1.1*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.1 +0.20 1.3
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.93 -0.050 0.88*
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 0.73 -0.090 0.64
CMS_2021_I1920187 13000 1.0 +0.20 1.2*
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 0.81* +0.29 1.1*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.4* +0.10 1.5*
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 0.80 +0.14 0.94*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 3.5 -0.30 3.2
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 18 0 18
Coherence
β
CMS_2013_I1265659 7000 1.4 +0.20 1.6
Dijet
χ
ATLAS_2010_I871366 7000 0.81 -0.060 0.75
CMS_2011_I889175 7000 0.67 +0.040 0.71
CMS_2012_I1090423 7000 0.67 +0.24 0.91
CMS_2015_I1327224 8000 1.3 -0.10 1.2
CMS_2017_I1519995 13000 0.94 +0.060 1.00
Dijet
ΔR
CDF_1994_I374155 1800 n/a - 21
CMS_2021_I1847230 [8000..13000] 1.1 +0.40 1.5
Dijet
Δφ
ATLAS_2011_I889546 7000 0.77* +0.22 0.99*
CMS_2011_I885663 7000 0.65* +0.18 0.83*
CMS_2016_I1421646 8000 1.3* +0.50 1.8*
CMS_2019_I1719955 13000 0.68 -0.060 0.62
CMS_2021_I1932460 13000 20 +1.0 21
Dijet
pT balance
CMS_2021_I1932460 13000 24 +3.0 27
Dijet
Δy
CMS_2021_I1932460 13000 23 +1.0 24
CMS_2021_I1963239 2760 n/a - 4.7
Dijet
Δy ratio
CMS_2021_I1963239 2760 n/a - 0.71
Jet mass
Dijet mass
ATLAS_2010_I871366 7000 0.43* -0.20 0.23*
CMS_2013_I1224539 7000 n/a - 20*
Jet mass
Filtered dijet mass
CMS_2013_I1224539 7000 n/a - 15*
Jet mass
Pruned dijet mass
CMS_2013_I1224539 7000 31* +1.0 32*
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 11* +1.0 12*
Jet mass
Three-jet mass
D0_2011_I895662 1960 4.3* -4.0 0.33*
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 7.2 +1.00 8.2
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 0.84 -0.030 0.81
CDF_2005_I682179 1960 3.2 +0.30 3.5
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.056 +0.011 0.067
CDF_2005_I682179 1960 0.23 -0.020 0.21
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 1.2* -0.100 1.1
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 1.3* -0.20 1.1
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 1.2* -0.100 1.1*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 2.4* -0.40 2.0*
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 1.0 -0.010 0.99
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 0.94 -0.100 0.84
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 3,700* -3,700 3.6*
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 48* +110 160*
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 120* -110 14*
softfrop.zg
ATLAS_2019_I1772062 13000 0.68 +0.42 1.1

* 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.