Generator / tune

Details for Pythia 8.313 CP1-CR2 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 1.1* -0.48 0.62*
Transverse Minor
CMS_2011_I886332 7000 1.0 -0.29 0.71
Transverse Thrust
CMS_2011_I886332 7000 0.89 -0.17 0.72
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.99 -0.18 0.81
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 1.3 -0.42 0.88
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 0.38* +0.52 0.90*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.94* +0.66 1.6*
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 3.4 -0.60 2.8
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 7.4 +9.6 17
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 23* +6.0 29*
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 15* +7.0 22
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.36 -0.040 0.32
Jet Substructure
D2
ATLAS_2019_I1724098 13000 0.56 0 0.56
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.49 -0.010 0.48
Jet Substructure
Energy correlation ECF2
ATLAS_2019_I1724098 13000 0.51 +0.30 0.81
Jet Substructure
Energy correlation ECF3
ATLAS_2019_I1724098 13000 0.75 +2.1 2.8
Jet η
CDF_1994_I374155 1800 45 -6.0 39
CMS_2021_I1932460 13000 30 -3.0 27
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 0.30* +0.23 0.53
CMS_2021_I1920187 13000 0.82 +0.050 0.87
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.4* -0.20 1.2*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 0.78* +0.12 0.90*
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 0.98 -0.070 0.91
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.29 0 0.29
ATLAS_2012_I1119557 7000 3.7 0 3.7
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.18 0 0.18
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.3* +0.100 1.4*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.2* 0 1.2*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 8.9* +43 52*
CMS_2021_I1920187 13000 5.2* -0.90 4.3*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.9* -0.40 1.5*
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 0.44 +0.27 0.71
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 13 -5.1 7.9
Jet pT
ATLAS_2010_I871366 7000 1.3* -0.81 0.49*
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 39* -2.0 37*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 1.3 -0.39 0.91
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 2.4 -0.30 2.1
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.7* -0.30 2.4*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.6 -0.10 1.5
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.9* 0 1.9*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.44 +0.10 0.54
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.075 +0.0010 0.076
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 0.67 +0.080 0.75
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.4* -0.100 1.3*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 0.80 0 0.80*
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.85 0 0.85
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 1.1 +0.70 1.8
CMS_2021_I1920187 13000 0.80* -0.030 0.77
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.2* 0 1.2*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.1* -0.11 0.99*
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 0.94* -0.0100 0.93
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 3.1 +0.40 3.5
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 17 -5.0 12
Coherence
β
CMS_2013_I1265659 7000 1.3 +1.7 3.0
Dijet
χ
ATLAS_2010_I871366 7000 0.88 -0.17 0.71
CMS_2011_I889175 7000 0.78 -0.31 0.47
CMS_2012_I1090423 7000 0.64 -0.100 0.54
CMS_2015_I1327224 8000 1.4 +0.30 1.7
CMS_2017_I1519995 13000 0.94 -0.080 0.86
Dijet
ΔR
CDF_1994_I374155 1800 n/a - 46
CMS_2021_I1847230 [8000..13000] 1.1 -0.26 0.84
Dijet
Δφ
ATLAS_2011_I889546 7000 0.72* +1.1 1.8*
CMS_2011_I885663 7000 1.00* +0.30 1.3*
CMS_2016_I1421646 8000 2.1* +1.4 3.5*
CMS_2019_I1719955 13000 0.86 -0.070 0.79
CMS_2021_I1932460 13000 20 -2.0 18
Dijet
pT balance
CMS_2021_I1932460 13000 25 -2.0 23
Dijet
Δy
CMS_2021_I1932460 13000 21 0 21
CMS_2021_I1963239 2760 3.5 +1.8 5.3
Dijet
Δy ratio
CMS_2021_I1963239 2760 0.62 +0.36 0.98
Jet mass
Dijet mass
ATLAS_2010_I871366 7000 0.46* -0.010 0.45
CMS_2013_I1224539 7000 n/a - 28*
Jet mass
Filtered dijet mass
CMS_2013_I1224539 7000 n/a - 21*
Jet mass
Pruned dijet mass
CMS_2013_I1224539 7000 31* +35 66*
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 8.0* +16 24*
Jet mass
Three-jet mass
D0_2011_I895662 1960 n/a - 5.6
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 8.2 -1.1 7.1
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 0.87 0 0.87
CDF_2005_I682179 1960 2.8 +2.2 5.0
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.096 -0.018 0.078
CDF_2005_I682179 1960 0.13 -0.045 0.085
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 1.3 -0.10 1.2
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 1.3 -0.10 1.2
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 1.4* +0.50 1.9*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.9* +0.80 2.7*
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 1.9 +0.10 2.0
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 0.55 0 0.55
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 9.6* -1.6 8.0
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 11* -6.1 4.9*
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 9.7* +76,000 76,000*
softfrop.zg
ATLAS_2019_I1772062 13000 0.83 -0.20 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 3838 histograms.