Generator / tune

Details for Pythia 6.426 dwt vs. 6.427

pp/ppbar → Jets


Observable Reference Energy χ2+5% (6.426) Δ χ2+5% (6.427)
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 0.98 +0.12 1.1
Transverse Thrust
CMS_2011_I886332 7000 0.77 +0.15 0.92
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.62 -0.23 0.39
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.39 -0.11 0.28
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 0.23* +0.030 0.26*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.45* -0.090 0.36*
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 0.73 +4.8 5.5
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 3.2* +3.0 6.2*
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 n/a - 20*
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 n/a - 11*
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.13* 0 0.13*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.53* +0.060 0.59*
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 -1.0 26
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 1.5* 0 1.5
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.2* 0 1.2*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.3* 0 1.3*
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 0.96 +0.14 1.1*
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.66* +0.030 0.69*
ATLAS_2012_I1119557 7000 13 -3.3 9.7
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.49* +0.13 0.62*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.6* -0.10 1.5*
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 10* +1.0 11*
CMS_2021_I1920187 13000 3.6* +0.30 3.9*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.2* -0.100 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 13 +2.0 15
Jet pT
ATLAS_2010_I871366 7000 0.24* -0.020 0.22*
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 33 +1.0 34*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.56 +0.44 1.0
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.4 +0.20 1.6
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.5* +0.10 1.6*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.1 +0.20 1.3
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.3* +0.30 1.6*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 1.1* +0.20 1.3*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.13* +0.010 0.14*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 2.3 0 2.3
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 1.2 +0.10 1.3
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 0.99 +0.010 1.0
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 1.2 +0.10 1.3
CMS_2021_I1920187 13000 1.6* -0.10 1.5*
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.1* +0.100 1.2*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 1.3 +0.100 1.4
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 0.89* +0.21 1.1*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 3.7* -0.60 3.1*
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 0.27* +0.73 1.00*
CMS_2011_I889175 7000 n/a - 0.52*
CMS_2012_I1090423 7000 n/a - 0.55*
CMS_2015_I1327224 8000 2.0* - n/a
CMS_2017_I1519995 13000 0.73* - n/a
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 1.5 -0.78 0.72
Dijet
Δφ
ATLAS_2011_I889546 7000 0.59* +0.24 0.83*
CMS_2011_I885663 7000 0.97* +0.53 1.5*
CMS_2016_I1421646 8000 1.1* - n/a
CMS_2019_I1719955 13000 1.1* -0.10 1.0*
CMS_2021_I1932460 13000 19 0 19
Dijet
pT balance
CMS_2021_I1932460 13000 25 0 25
Dijet
Δy
CMS_2021_I1932460 13000 23 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 0.24* -0.11 0.13*
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 - 21*
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 11* -3.5 7.5*
Jet mass
Three-jet mass
D0_2011_I895662 1960 n/a - n/a
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 5.4 -3.3 2.1
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 2.2 -0.20 2.0
CDF_2005_I682179 1960 2.7* - n/a
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.44 -0.050 0.39
CDF_2005_I682179 1960 0.23* - 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 1.2* -0.20 1.0*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.8* +0.100 1.9*
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 1.6* -0.40 1.2*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 2.5* +0.40 2.9*
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 3838 histograms.