Generator / tune

Details for Sherpa 2.2.7 default vs. 2.2.8

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (2.2.7) Δ χ2+5% (2.2.8)
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 19* +1.0 20*
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 9.4* +0.100 9.5*
Generalized angularities
 LHA λ10.5
 CMS_2021_I1920187 13000 9.1 +0.30 9.4
Generalized angularities
 LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 4.4 +0.20 4.6
Generalized angularities
 Groomed LHA λ10.5
 CMS_2021_I1920187 13000 3.8 +0.30 4.1
Generalized angularities
 Groomed LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 3.0 +0.10 3.1
Jet mass
 Jet mass
 CMS_2013_I1224539 7000 130 +10 140
Jet mass
 Filtered jet mass
 CMS_2013_I1224539 7000 71* -5.0 66*
Jet mass
 Pruned jet mass
 CMS_2013_I1224539 7000 120* +10 130*
Jet mass
 Trimmed jet mass
 CMS_2013_I1224539 7000 160 +40 200*
Generalized angularities
 Multiplicity λ00
 CMS_2021_I1920187 13000 2.9* -0.40 2.5*
Generalized angularities
 Groomed multiplicity λ00
 CMS_2021_I1920187 13000 1.6* 0 1.6*
Generalized angularities
 Multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 1.3* -0.33 0.97*
Generalized angularities
 Groomed multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 1.2* -0.31 0.89*
Jet pT
 ATLAS_2020_I1788444 13000 22 -2.0 20
ATLAS_2022_I2077570 13000 74 +1.0 75
Jet pT ratio
 CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
 (pDT)2 λ20
 CMS_2021_I1920187 13000 4.8 +0.30 5.1
Generalized angularities
 (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 2.7* -0.30 2.4*
Generalized angularities
 Groomed (pDT)2 λ20
 CMS_2021_I1920187 13000 4.0 +0.20 4.2
Generalized angularities
 Groomed (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 2.0* +0.10 2.1*
Generalized angularities
 Thrust λ12
 CMS_2021_I1920187 13000 17 0 17
Generalized angularities
 Thrust λ12 (charged only)
 CMS_2021_I1920187 13000 8.3 +0.60 8.9
Generalized angularities
 Groomed thrust λ12
 CMS_2021_I1920187 13000 4.7 +0.30 5.0
Generalized angularities
 Groomed thrust λ12 (charged only)
 CMS_2021_I1920187 13000 3.1 +0.40 3.5
Generalized angularities
 Width λ11
 CMS_2021_I1920187 13000 8.8 +0.100 8.9
Generalized angularities
 Width λ11 (charged only)
 CMS_2021_I1920187 13000 4.0 +0.100 4.1
Generalized angularities
 Groomed width λ11
 CMS_2021_I1920187 13000 3.9 +0.10 4.0
Generalized angularities
 Groomed width λ11 (charged only)
 CMS_2021_I1920187 13000 3.3 0 3.3
Jet rapidity
 ATLAS_2019_I1744201 8000 36 0 36
ATLAS_2020_I1788444 13000 7.3 -1.9 5.4
Dijet
 ΔR
 ATLAS_2020_I1788444 13000 16 +1.0 17
CMS_2021_I1847230 8000 n/a - n/a
Dijet
 Δφ
 ATLAS_2020_I1788444 13000 13 0 13
Dijet
 Δy
 ATLAS_2020_I1788444 13000 16 0 16
Jet mass
 Dijet mass
 ATLAS_2020_I1788444 13000 n/a - n/a
Dijet
 pT
 ATLAS_2020_I1788444 13000 15 +2.0 17
Dijet
 pT ratio to m
 ATLAS_2020_I1788444 13000 16 -1.0 15
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 100* +10 110*
Jet Multiplicities
 Jet multiplicity
 ATLAS_2020_I1788444 13000 25 0 25
ATLAS_2022_I2077570 13000 170 -10 160
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 64* +3.0 67*
pT Z
 ATLAS_2020_I1788444 13000 14 0 14
ATLAS_2022_I2077570 13000 43 0 43
CMS_2020_I1837084 13000 22 -3.0 19
pT(Z) to pT(jet) ratio
 ATLAS_2022_I2077570 13000 120 0 120
y Z
 ATLAS_2020_I1788444 13000 3.0 +0.10 3.1
ΔR (jet, Z)
 ATLAS_2020_I1788444 13000 29 +12 41
ΔRmin (jet, Z)
 ATLAS_2022_I2077570 13000 190 0 190
Δφ (jet, Z)
 ATLAS_2020_I1788444 13000 56 +6.0 62
Δy (jet, Z)
 ATLAS_2020_I1788444 13000 8.7 -2.3 6.4
HT(Z+jets)
 ATLAS_2022_I2077570 13000 95 -1.0 94

* 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 1324 histograms.