Generator / tune

Details for Pythia 6.427 363 vs. 6.428

pp/ppbar → Jets


Observable Reference Energy χ2+5% (6.427) Δ χ2+5% (6.428)
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 0.23* - n/a
Transverse Minor
CMS_2011_I886332 7000 1.6 +1.7 3.3
Transverse Thrust
CMS_2011_I886332 7000 1.4 +2.0 3.4
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.32* +0.88 1.2
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.55 +0.85 1.4
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 0.17* +0.43 0.60*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.26* +0.94 1.2*
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 16 -15 1.5
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 n/a - n/a
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 n/a - n/a
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 n/a - n/a
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.88* -0.67 0.21*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.99* -0.80 0.19*
Jet Substructure
Energy correlation ECF2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Energy correlation ECF3
ATLAS_2019_I1724098 13000 n/a - n/a
Jet η
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1932460 13000 14 +2.0 16
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 5.6 -2.8 2.8
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.7 -1.2 1.5*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 4.2* -1.9 2.3*
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.5* -1.1 1.4
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 1.1* -0.81 0.29*
ATLAS_2012_I1119557 7000 20 -17 3.0
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.30* -0.040 0.26*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 2.3* -0.50 1.8*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 2.4* -0.50 1.9*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 1.7* +1.2 2.9*
CMS_2021_I1920187 13000 1.6* +0.60 2.2*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 2.3* -0.30 2.0*
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 n/a - n/a
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 0.58 +3.3 3.9
Jet pT
ATLAS_2010_I871366 7000 0.38* -0.030 0.35*
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 21* +3.0 24*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.86 +0.050 0.91
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.6* -0.40 1.2*
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.2* +0.10 1.3*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.8* -0.40 1.4*
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.3* -0.10 1.2*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.52* -0.13 0.39*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.12* +0.020 0.14*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 6.8 -3.5 3.3
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 3.2 -1.7 1.5*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 4.8 -2.3 2.5
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.8 -1.2 1.6
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 13 -8.8 4.2
CMS_2021_I1920187 13000 5.4* -2.4 3.0*
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 2.9 -1.5 1.4*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 4.4 -1.8 2.6
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 2.7* -1.1 1.6
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 2.6* -1.4 1.2*
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 30 - n/a
Coherence
β
CMS_2013_I1265659 7000 n/a - n/a
Dijet
χ
ATLAS_2010_I871366 7000 n/a - n/a
CMS_2011_I889175 7000 0.75* - n/a
CMS_2012_I1090423 7000 n/a - n/a
CMS_2015_I1327224 8000 2.5* - n/a
CMS_2017_I1519995 13000 n/a - n/a
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 2.1 -0.50 1.6
Dijet
Δφ
ATLAS_2011_I889546 7000 1.1* +0.40 1.5*
CMS_2011_I885663 7000 1.2* +1.1 2.3*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.4* +1.0 2.4*
CMS_2021_I1932460 13000 11 +1.0 12
Dijet
pT balance
CMS_2021_I1932460 13000 12 +2.0 14
Dijet
Δy
CMS_2021_I1932460 13000 9.6 +1.4 11
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 n/a - n/a
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Filtered dijet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Pruned dijet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Three-jet mass
D0_2011_I895662 1960 n/a - n/a
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 3.9 +2.2 6.1
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 6.3 -3.1 3.2
CDF_2005_I682179 1960 n/a - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.60 -0.26 0.34
CDF_2005_I682179 1960 n/a - n/a
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 n/a - n/a
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 n/a - n/a
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 0.74* +1.7 2.4*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.3* +0.90 2.2*
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 5.5* -3.4 2.1*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 4.2* -3.0 1.2*
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 38* - n/a
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 16* - n/a
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 41* - n/a
softfrop.zg
ATLAS_2019_I1772062 13000 1.9 - n/a

* 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.