Generator / tune

Details for Pythia 6.426 p2010 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 2.0 -0.20 1.8
Transverse Thrust
CMS_2011_I886332 7000 1.8 -0.20 1.6
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 0.41* +0.79 1.2
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 0.54 -0.060 0.48
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 0.22* -0.040 0.18*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.35* -0.26 0.087*
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 21 -18 2.8
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 6.0* -1.0 5.0*
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 29* -4.0 25*
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 25* - n/a
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.28* -0.040 0.24*
Jet Substructure
D2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.093* -0.018 0.075*
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 13 +2.0 15
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 n/a - n/a
CMS_2021_I1920187 13000 2.0 -0.10 1.9
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.0* +0.20 1.2
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 1.8 -0.10 1.7*
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 0.50* -0.050 0.45*
ATLAS_2012_I1119557 7000 7.7 +0.20 7.9
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.26* -0.050 0.21*
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 1.3* -0.20 1.1*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.2* 0 1.2*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 3.2* -0.60 2.6*
CMS_2021_I1920187 13000 2.0* -0.10 1.9*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 1.3* -0.10 1.2*
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 3.1 -1.6 1.5
Jet pT
ATLAS_2010_I871366 7000 0.27* +0.28 0.55*
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* +2.0 23*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 0.75 -0.25 0.50
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 1.2 0 1.2
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.2* -0.100 1.1*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 1.1 -0.10 1.0
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.0* -0.040 0.96*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.52* +0.030 0.55*
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.15* -0.020 0.13*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 3.7 -0.20 3.5
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.6* 0 1.6*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.5 -0.10 2.4
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.5 -0.10 1.4
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 3.3 -0.30 3.0
CMS_2021_I1920187 13000 2.4* 0 2.4
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.2* 0 1.2*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.2* -0.20 2.0
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.3 -0.10 1.2*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 2.3* -0.40 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 35 - n/a
Coherence
β
CMS_2013_I1265659 7000 n/a - n/a
Dijet
χ
ATLAS_2010_I871366 7000 n/a - 0.11*
CMS_2011_I889175 7000 0.84* -0.57 0.27*
CMS_2012_I1090423 7000 n/a - n/a
CMS_2015_I1327224 8000 n/a - 2.0*
CMS_2017_I1519995 13000 0.54* - n/a
Dijet
ΔR
CDF_1994_I374155 1800 n/a - n/a
CMS_2021_I1847230 [8000..13000] 1.3 +0.30 1.6
Dijet
Δφ
ATLAS_2011_I889546 7000 1.0* -0.30 0.70*
CMS_2011_I885663 7000 0.94* +0.36 1.3*
CMS_2016_I1421646 8000 n/a - n/a
CMS_2019_I1719955 13000 1.4* +0.20 1.6*
CMS_2021_I1932460 13000 10 +1.0 11
Dijet
pT balance
CMS_2021_I1932460 13000 13 +1.0 14
Dijet
Δy
CMS_2021_I1932460 13000 8.7 +1.3 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 - 0.35*
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 3.0 +0.90 3.9
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 1.8 +0.100 1.9
CDF_2005_I682179 1960 n/a - 2.6*
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.16 +0.010 0.17
CDF_2005_I682179 1960 n/a - 0.53*
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 1.0* +0.60 1.6*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 1.3* -0.68 0.62*
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* -0.50 1.1*
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 1.2* +1.6 2.8*
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 n/a - 2.1*
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 n/a - 3.9*
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 n/a - 2.2*
softfrop.zg
ATLAS_2019_I1772062 13000 n/a - 1.4

* 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.