Generator / tune

Details for Sherpa 2.2.8 default vs. 2.2.9

pp/ppbar → Jets


Observable Reference Energy χ2+5% (2.2.8) Δ χ2+5% (2.2.9)
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 +0.30 2.3
Transverse Thrust
CMS_2011_I886332 7000 2.1 +0.50 2.6
Jets + Veto
Gap frac. vs Veto scale (FB)
ATLAS_2011_I917526 7000 n/a - n/a
Jets + Veto
Gap frac. vs Veto scale (LJ)
ATLAS_2011_I917526 7000 n/a - n/a
Jets + Veto
Gap fraction vs Δy
CMS_2012_I1102908 7000 25 - n/a
Jets + Veto
Gap fraction vs Δy (FB)
ATLAS_2011_I917526 7000 0.62* -0.100 0.52*
Jets + Veto
Gap fraction vs Δy (LJ)
ATLAS_2011_I917526 7000 0.71* +0.12 0.83*
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 - 7.0*
Jet Shapes
Jet Angularity
ATLAS_2012_I1119557 7000 3.8 +6.2 10
Jet Charge
Jet Charge Q
CMS_2017_I1605749 8000 17 +11 28
Jet Charge
Jet Charge Mean
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QL
CMS_2017_I1605749 8000 24* +1.0 25
Jet Charge
Jet Charge RMS
ATLAS_2015_I1393758 8000 n/a - n/a
Jet Charge
Jet Charge QT
CMS_2017_I1605749 8000 22 +6.0 28
Jet Substructure
C2
ATLAS_2019_I1724098 13000 n/a - n/a
Jet Substructure
Splitting scale d12
ATLAS_2012_I1094564 7000 0.38 -0.010 0.37
Jet Substructure
D2
ATLAS_2019_I1724098 13000 1.1 +0.100 1.2
Jet Substructure
Splitting scale d23
ATLAS_2012_I1094564 7000 0.22 -0.010 0.21
Jet Substructure
Energy correlation ECF2
ATLAS_2019_I1724098 13000 4.9 +0.100 5.0
Jet Substructure
Energy correlation ECF3
ATLAS_2019_I1724098 13000 9.1 +1.9 11
Jet η
CDF_1994_I374155 1800 15 +7.0 22
CMS_2021_I1932460 13000 14 +4.0 18
Generalized angularities
LHA λ10.5
ATLAS_2019_I1724098 13000 5.1 +0.40 5.5
CMS_2021_I1920187 13000 2.7 0 2.7
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.6* -0.10 1.5*
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 2.0 +0.10 2.1
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 1.5 0 1.5*
Jet mass
Jet mass
ATLAS_2012_I1094564 7000 0.34 -0.020 0.32
ATLAS_2012_I1119557 7000 3.3 0 3.3
Jet mass
Filtered jet mass
ATLAS_2012_I1094564 7000 0.23 +0.020 0.25
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 2.1* +0.30 2.4*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 1.7* +0.30 2.0*
Generalized angularities
Multiplicity λ00 (charged only)
ATLAS_2019_I1740909 13000 32* +250 280*
CMS_2021_I1920187 13000 7.1* -0.40 6.7*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 4.4* +0.50 4.9*
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 2.9 0 2.9
Jet Shapes
Jet Planar Flow
ATLAS_2012_I1119557 7000 2.9 +0.30 3.2
Jet pT
ATLAS_2010_I871366 7000 0.62* -0.11 0.51*
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 25 +16 41*
CMS_2021_I1972986 13000 n/a - n/a
Jet pT ratio
CMS_2021_I1847230 [8000..13000] 1.3 +1.3 2.6
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 2.1 +0.10 2.2
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 1.4* -0.100 1.3
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.1* +0.100 1.2*
Jet Substructure
N-subjettiness τ2/τ1
ATLAS_2012_I1094564 7000 0.31 -0.040 0.27
Jet Substructure
N-subjettiness τ3/τ2
ATLAS_2012_I1094564 7000 0.25 +0.060 0.31
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 3.9 +0.10 4.0
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.1 +0.10 2.2*
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 2.5 +0.10 2.6
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 1.9 +0.10 2.0
Generalized angularities
Width λ11
ATLAS_2012_I1119557 7000 2.2 -0.30 1.9
CMS_2021_I1920187 13000 2.7 0 2.7
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 1.6* +0.100 1.7*
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 2.3 +0.10 2.4*
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 1.7 +0.20 1.9*
Jet Substructure
Momentum fraction z
ATLAS_2019_I1740909 13000 9.4 +11 20
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 19 -3.0 16
Coherence
β
CMS_2013_I1265659 7000 1.6 +1.1 2.7
Dijet
χ
ATLAS_2010_I871366 7000 0.63 -0.070 0.56
CMS_2011_I889175 7000 1.8 +0.40 2.2
CMS_2012_I1090423 7000 2.5 +1.7 4.2
CMS_2015_I1327224 8000 3.4 +1.6 5.0
CMS_2017_I1519995 13000 2.4 +1.3 3.7
Dijet
ΔR
CDF_1994_I374155 1800 n/a - 18
CMS_2021_I1847230 [8000..13000] 1.2 +0.10 1.3
Dijet
Δφ
ATLAS_2011_I889546 7000 1.8* -0.30 1.5*
CMS_2011_I885663 7000 2.6* -0.70 1.9*
CMS_2016_I1421646 8000 4.5* +7.5 12
CMS_2019_I1719955 13000 3.2 +0.50 3.7
CMS_2021_I1932460 13000 9.1 +4.9 14
Dijet
pT balance
CMS_2021_I1932460 13000 15 +3.0 18
Dijet
Δy
CMS_2021_I1932460 13000 8.2 +3.8 12
CMS_2021_I1963239 2760 n/a - 5.0
Dijet
Δy ratio
CMS_2021_I1963239 2760 n/a - 7.1
Jet mass
Dijet mass
ATLAS_2010_I871366 7000 0.36* +0.050 0.41*
CMS_2013_I1224539 7000 21* +9.0 30*
Jet mass
Filtered dijet mass
CMS_2013_I1224539 7000 30* +2.0 32*
Jet mass
Pruned dijet mass
CMS_2013_I1224539 7000 30* +44 74*
Jet mass
Trimmed dijet mass
CMS_2013_I1224539 7000 16* +6.0 22*
Jet mass
Three-jet mass
D0_2011_I895662 1960 0.98* -0.21 0.77
Dijet
ΔS (jet pairs)
CMS_2021_I1932460 13000 3.1 +2.5 5.6
Jet Shapes
Differential Jet Shape
ATLAS_2011_I882984 7000 2.7 +0.60 3.3
CDF_2005_I682179 1960 6.8 +2.6 9.4
Jet Shapes
Integral Jet Shape
ATLAS_2011_I882984 7000 0.32 +0.12 0.44
CDF_2005_I682179 1960 0.79 +0.010 0.80
Lund jet plane
ln(R/ΔR)
ATLAS_2020_I1790256 13000 1.2 +0.20 1.4
Lund jet plane
ln(1/z)
ATLAS_2020_I1790256 13000 1.2 +0.30 1.5
Jet Multiplicities
Jet multiplicity
ATLAS_2011_I917599 7000 n/a - n/a
Jets + Veto
Njet vs Δy (FB)
ATLAS_2011_I917526 7000 2.2* -0.30 1.9*
Jets + Veto
Njet vs Δy (LJ)
ATLAS_2011_I917526 7000 3.8* +3.3 7.1*
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 3.5 +0.10 3.6
Jet Substructure
Radial profile ρ
ATLAS_2019_I1740909 13000 3.6 -0.10 3.5
Soft-drop
Opening angle rg
ATLAS_2019_I1772062 13000 4.9 +10 15
Soft-drop
Relative jet mass ρ
ATLAS_2019_I1772062 13000 5.0* +4.3 9.3
Soft-drop
Relative pT zg
ATLAS_2019_I1772062 13000 4.8* -3.1 1.7
softfrop.zg
ATLAS_2019_I1772062 13000 2.9 +0.50 3.4

* 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 3834 histograms.