Generator / tune

Details for Pythia 6.427 dw 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
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 0.94 -0.15 0.79
Transverse Thrust
CMS_2011_I886332 7000 0.79 -0.23 0.56
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.90 -0.18 0.72*
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.96 -0.33 0.63
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 0.29* -0.030 0.26*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.43* +0.090 0.52*
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
ET
CDF_1994_I374155 1800 n/a - n/a
Jet Shapes
Jet Angularity
ATLAS_2012_I1119557 7000 5.2 +1.5 6.7
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 0.12* -0.036 0.084*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.74* +0.010 0.75*
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 26 - n/a
CMS_2021_I1932460 13000 14 -1.0 13
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 2.5* -0.20 2.3
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.4* 0 1.4*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.7 -0.100 1.6*
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.1* +0.100 1.2*
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 1.1* +0.100 1.2*
ATLAS_2012_I1119557 7000 14 -2.0 12
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.32* +0.20 0.52*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.5* -0.10 1.4*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.4* +0.10 1.5*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 11* -2.7 8.3*
CMS_2021_I1920187 13000 2.6* +0.40 3.0*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 0.97* +0.13 1.1*
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 20 +4.0 24
Jet pT
ATLAS_2010_I871366 7000 0.22* -0.040 0.18*
ATLAS_2011_I917599 7000 - n/a
CMS_2011_I902309 7000 n/a - n/a
CMS_2012_I1087342 7000 n/a - n/a
CMS_2021_I1932460 13000 21* -2.0 19*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 1.2 -0.21 0.99
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 0.97* +0.33 1.3
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.98* +0.12 1.1*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 0.99* +0.11 1.1
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 0.84* +0.26 1.1*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 1.7* -0.100 1.6*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.22* +0.040 0.26*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 4.5 -0.50 4.0
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.4* -0.30 2.1*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.9 -0.100 1.8
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.3 0 1.3
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 1.7 -0.20 1.5
CMS_2021_I1920187 13000 2.4 +0.10 2.5*
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.5* 0 1.5*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.7* 0 1.7
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.2* +0.10 1.3*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 4.7* -2.7 2.0*
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 16 - n/a
Coherence
β
CMS_2013_I1265659 7000 1.2 - n/a
Dijet
χ
ATLAS_2010_I871366 7000 n/a - n/a
CMS_2011_I889175 7000 n/a - n/a
CMS_2012_I1090423 7000 n/a - n/a
CMS_2015_I1327224 8000 n/a - n/a
CMS_2017_I1519995 13000 0.92* - n/a
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 0.96 +0.24 1.2
Dijet
Δφ
ATLAS_2011_I889546 7000 0.75* +0.55 1.3*
CMS_2011_I885663 7000 0.76* +0.74 1.5*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.4* -0.100 1.3*
CMS_2021_I1932460 13000 12 +1.0 13
Dijet
pT balance
CMS_2021_I1932460 13000 15 0 15
Dijet
Δy
CMS_2021_I1932460 13000 14 -1.0 13
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 24* - n/a
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 7.6* - n/a
Jet mass
Three-jet mass
D0_2011_I895662 1960 n/a - n/a
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 2.5 +0.60 3.1
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 2.7 -0.40 2.3
CDF_2005_I682179 1960 3.3* - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.16 0 0.16
CDF_2005_I682179 1960 0.46* - 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
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 1.4* +0.10 1.5*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 2.7* +0.20 2.9*
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
Jet Substructure
Relative pT
ATLAS_2019_I1740909 13000 0.68* +0.62 1.3*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 4.4* -2.0 2.4*
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 n/a - n/a
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 n/a - n/a
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 n/a - n/a
softfrop.zg
ATLAS_2019_I1772062 13000 n/a - 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 3813 histograms.