Generator / tune

Details for Pythia 6.427 atlas-csc 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 1.6 +0.80 2.4
Transverse Thrust
CMS_2011_I886332 7000 1.8 +0.20 2.0
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.41 +0.69 1.1*
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.27 +0.38 0.65*
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 0.26* +0.24 0.50*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.72* -0.39 0.33*
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 0.65 -0.30 0.35
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 4.4* - 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 23* - n/a
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 8.6* -7.9 0.67*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 5.4* -4.9 0.55*
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 9.2 +2.8 12
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 23 -19 4.1
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 12* -10 1.9*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 19* -15 3.6
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 13 -11 2.2
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 2.1* -1.8 0.27*
ATLAS_2012_I1119557 7000 110 -110 3.4
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.38* +0.010 0.39*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 5.9* -4.5 1.4*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 7.8* -6.6 1.2*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 3.7* +1.4 5.1*
CMS_2021_I1920187 13000 4.0* -1.7 2.3*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 14* -12 2.1*
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 1.1 -0.16 0.94
Jet pT
ATLAS_2010_I871366 7000 0.49* -0.16 0.33*
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 13* +6.0 19*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.55 +1.3 1.8
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.4 -0.40 1.0
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 2.8 -1.7 1.1
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.7* -1.7 1.0*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 5.0* -4.3 0.69*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 1.5* -0.97 0.53*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 31 -25 5.9
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 14 -12 2.4*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 27 -22 5.0
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 17 -14 3.0
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 92 -87 5.1
CMS_2021_I1920187 13000 25* -21 4.5
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 14* -12 2.3*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 23 -19 4.2*
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 15 -12 2.8
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 1.6* +0.60 2.2*
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 n/a - n/a
Coherence
β
CMS_2013_I1265659 7000 n/a - n/a
Dijet
χ
ATLAS_2010_I871366 7000 0.52* - n/a
CMS_2011_I889175 7000 0.89* - n/a
CMS_2012_I1090423 7000 1.2* - n/a
CMS_2015_I1327224 8000 n/a - n/a
CMS_2017_I1519995 13000 0.97 - n/a
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 3.6 -2.0 1.6
Dijet
Δφ
ATLAS_2011_I889546 7000 0.90* +0.50 1.4*
CMS_2011_I885663 7000 1.0* +0.50 1.5*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 2.3* 0 2.3*
CMS_2021_I1932460 13000 9.2 +0.70 9.9
Dijet
pT balance
CMS_2021_I1932460 13000 9.1 +1.9 11
Dijet
Δy
CMS_2021_I1932460 13000 8.4 +1.6 10
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 2.7 -0.10 2.6
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 24 -19 4.6
CDF_2005_I682179 1960 n/a - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 1.2 -0.79 0.41
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 2.2* -0.90 1.3*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 2.3* -1.5 0.77*
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 42* -30 12*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 6.1* -4.2 1.9*
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 68* - n/a
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 85* - n/a
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 170* - n/a
softfrop.zg
ATLAS_2019_I1772062 13000 66 - 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.