Generator / tune

Details for Sherpa 2.2.8 default vs. 2.2.9

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (2.2.8) Δ χ2+5% (2.2.9)
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 20* +5.0 25*
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 9.5* +3.5 13*
Generalized angularities
 LHA λ10.5
 CMS_2021_I1920187 13000 9.4 -0.50 8.9
Generalized angularities
 LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 4.6 -0.50 4.1
Generalized angularities
 Groomed LHA λ10.5
 CMS_2021_I1920187 13000 4.1 -0.40 3.7
Generalized angularities
 Groomed LHA λ10.5 (charged only)
 CMS_2021_I1920187 13000 3.1 -0.30 2.8
Jet mass
 Jet mass
 CMS_2013_I1224539 7000 140 +70 210
Jet mass
 Filtered jet mass
 CMS_2013_I1224539 7000 66* +110 180
Jet mass
 Pruned jet mass
 CMS_2013_I1224539 7000 130* +90 220
Jet mass
 Trimmed jet mass
 CMS_2013_I1224539 7000 200* +360 560
Generalized angularities
 Multiplicity λ00
 CMS_2021_I1920187 13000 2.5* +1.0 3.5*
Generalized angularities
 Groomed multiplicity λ00
 CMS_2021_I1920187 13000 1.6* +0.100 1.7*
Generalized angularities
 Multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 0.97* +0.13 1.1*
Generalized angularities
 Groomed multiplicity λ00 (charged only)
 CMS_2021_I1920187 13000 0.89* -0.040 0.85*
Jet pT
 ATLAS_2020_I1788444 13000 20 +54 74
ATLAS_2022_I2077570 13000 75 +14 89
Jet pT ratio
 CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
 (pDT)2 λ20
 CMS_2021_I1920187 13000 5.1 -0.40 4.7
Generalized angularities
 (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 2.4* 0 2.4*
Generalized angularities
 Groomed (pDT)2 λ20
 CMS_2021_I1920187 13000 4.2 -0.50 3.7
Generalized angularities
 Groomed (pDT)2 λ20 (charged only)
 CMS_2021_I1920187 13000 2.1* -0.20 1.9*
Generalized angularities
 Thrust λ12
 CMS_2021_I1920187 13000 17 -1.0 16
Generalized angularities
 Thrust λ12 (charged only)
 CMS_2021_I1920187 13000 8.9 -0.70 8.2
Generalized angularities
 Groomed thrust λ12
 CMS_2021_I1920187 13000 5.0 -0.60 4.4
Generalized angularities
 Groomed thrust λ12 (charged only)
 CMS_2021_I1920187 13000 3.5 -0.50 3.0
Generalized angularities
 Width λ11
 CMS_2021_I1920187 13000 8.9 -0.50 8.4
Generalized angularities
 Width λ11 (charged only)
 CMS_2021_I1920187 13000 4.1 -0.20 3.9
Generalized angularities
 Groomed width λ11
 CMS_2021_I1920187 13000 4.0 -0.30 3.7
Generalized angularities
 Groomed width λ11 (charged only)
 CMS_2021_I1920187 13000 3.3 -0.40 2.9
Jet rapidity
 ATLAS_2019_I1744201 8000 36 +1.0 37
ATLAS_2020_I1788444 13000 5.4 +1.9 7.3
Dijet
 ΔR
 ATLAS_2020_I1788444 13000 17 +24 41
CMS_2021_I1847230 8000 n/a - n/a
Dijet
 Δφ
 ATLAS_2020_I1788444 13000 13 +25 38
Dijet
 Δy
 ATLAS_2020_I1788444 13000 16 +24 40
Jet mass
 Dijet mass
 ATLAS_2020_I1788444 13000 n/a - 49
Dijet
 pT
 ATLAS_2020_I1788444 13000 17 +29 46
Dijet
 pT ratio to m
 ATLAS_2020_I1788444 13000 15 +23 38
Underlying event
 Nch
 ATLAS_2019_I1736531 13000 110* +10 120*
Jet Multiplicities
 Jet multiplicity
 ATLAS_2020_I1788444 13000 25 +6.0 31
ATLAS_2022_I2077570 13000 160 +10 170
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 67* +10 77*
pT Z
 ATLAS_2020_I1788444 13000 14 +20 34
ATLAS_2022_I2077570 13000 43 0 43
CMS_2020_I1837084 13000 19 0 19
pT(Z) to pT(jet) ratio
 ATLAS_2022_I2077570 13000 120 0 120
y Z
 ATLAS_2020_I1788444 13000 3.1 +2.1 5.2
ΔR (jet, Z)
 ATLAS_2020_I1788444 13000 41 +69 110
ΔRmin (jet, Z)
 ATLAS_2022_I2077570 13000 190 0 190
Δφ (jet, Z)
 ATLAS_2020_I1788444 13000 62 +110 170
Δy (jet, Z)
 ATLAS_2020_I1788444 13000 6.4 +11 17
HT(Z+jets)
 ATLAS_2022_I2077570 13000 94 +16 110

* 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.