Generator / tune

Details for Pythia 6.427 d6t 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 n/a - n/a
Transverse Minor
CMS_2011_I886332 7000 0.74 +0.46 1.2
Transverse Thrust
CMS_2011_I886332 7000 0.71 +0.27 0.98
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.44 +1.2 1.6
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 1.1 +0.70 1.8
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 0.24* -0.0100 0.23*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.54* +0.14 0.68*
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 0.84
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 3.1* - n/a
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 18* - 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 0.082* +0.0070 0.089*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.66* -0.040 0.62*
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 27 0 27
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 1.5 +0.30 1.8
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.2* +0.10 1.3
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.2 +0.20 1.4
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 0.99 +0.010 1.0
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.86* -0.050 0.81*
ATLAS_2012_I1119557 7000 11 +2.0 13
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.59* -0.080 0.51*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.5* 0 1.5*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.6* +0.30 1.9*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 7.4* +3.6 11*
CMS_2021_I1920187 13000 3.8* -0.90 2.9*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 0.93* +0.37 1.3*
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 n/a - n/a
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 17 -2.0 15
Jet pT
ATLAS_2010_I871366 7000 0.44* -0.040 0.40*
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* -3.0 33*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.66 +0.17 0.83
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.5 -0.20 1.3
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.3* 0 1.3*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.1 0 1.1
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.2* 0 1.2*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 1.3* 0 1.3*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.24* -0.070 0.17*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 2.8 0 2.8
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.5* 0 1.5
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 1.2 +0.20 1.4
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.92 +0.28 1.2
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 1.6 -0.40 1.2
CMS_2021_I1920187 13000 1.8 +0.100 1.9
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.2* +0.10 1.3*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.3* +0.30 1.6*
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 0.94* +0.16 1.1*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 4.0* -2.1 1.9*
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 n/a - 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 n/a - n/a
CMS_2012_I1090423 7000 n/a - n/a
CMS_2015_I1327224 8000 1.8* - 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] 0.95 -0.31 0.64
Dijet
Δφ
ATLAS_2011_I889546 7000 0.93* -0.25 0.68*
CMS_2011_I885663 7000 1.0* +0.20 1.2*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.1* 0 1.1*
CMS_2021_I1932460 13000 19 +1.0 20
Dijet
pT balance
CMS_2021_I1932460 13000 26 +1.0 27
Dijet
Δy
CMS_2021_I1932460 13000 24 -1.0 23
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 7.0 -3.0 4.0
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 2.3 +0.10 2.4
CDF_2005_I682179 1960 3.5* - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.26 +0.080 0.34
CDF_2005_I682179 1960 0.56* - 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 0.96* +0.34 1.3*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.9* +2.0 3.9*
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 - n/a
Jet Substructure
Relative pT
ATLAS_2019_I1740909 13000 1.0* +0.40 1.4*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 2.9* -1.4 1.5*
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 130* - n/a
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 35* - n/a
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 4.6* - n/a
softfrop.zg
ATLAS_2019_I1772062 13000 2.2 - 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 3838 histograms.