Generator / tune

Details for Sherpa 2.2.7 default vs. 2.2.8

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5% (2.2.7) Δ χ2+5% (2.2.8)
Underlying event
<Nch> vs pTZ
ATLAS_2019_I1736531 13000 170* - n/a
Underlying event
<pT>
ATLAS_2019_I1736531 13000 n/a - n/a
<pT> vs Nch
CDF_2010_I849042 1960 n/a - n/a
Transverse
<pT> vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Toward
<pT> vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Underlying event
<pT> vs pTZ
ATLAS_2019_I1736531 13000 5.1* - n/a
<pT>Z vs Nch
CDF_2010_I849042 1960 n/a - n/a
Underlying event
Σ(pT) vs pTZ
ATLAS_2019_I1736531 13000 130 - n/a
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 n/a - n/a
Jet Substructure
Splitting scale d0
ATLAS_2017_I1589844 8000 65 0 65
Jet Substructure
Splitting scale d1
ATLAS_2017_I1589844 8000 99 0 99
Jet Substructure
Splitting scale d2
ATLAS_2017_I1589844 8000 140 0 140
Jet Substructure
Splitting scale d3
ATLAS_2017_I1589844 8000 170 0 170
Jet Substructure
Splitting scale d4
ATLAS_2017_I1589844 8000 200 0 200
Jet Substructure
Splitting scale d5
ATLAS_2017_I1589844 8000 210 0 210
Jet Substructure
Splitting scale d6
ATLAS_2017_I1589844 8000 220 0 220
Jet Substructure
Splitting scale d7
ATLAS_2017_I1589844 8000 240 0 240
Dilepton
Δη
ATLAS_2016_I1467454 8000 3.0 -0.20 2.8
Dilepton
m
ATLAS_2019_I1725190 13000 n/a - n/a
Dilepton
φ*η
CMS_2019_I1753680 13000 n/a - n/a
CMS_2022_I2079374 13000 2.8 +0.20 3.0
D0_2010_I871787 1960 1.3* -0.10 1.2*
LHCB_2012_I1208102 7000 7.7 -2.1 5.6
LHCB_2021_I1990313 13000 n/a - n/a
Dilepton
φ*η ratio
CMS_2022_I2079374 13000 0.99* +0.41 1.4*
ll.phiStar_norm
ATLAS_2019_I1768911 13000 2.1 - n/a
CMS_2019_I1753680 13000 n/a - n/a
Dilepton
pT
LHCB_2021_I1990313 13000 1.7* +1.3 3.0*
Dilepton
y
LHCB_2021_I1990313 13000 5.1 - n/a
Transverse
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Toward
Max(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Underlying event
Nch
ATLAS_2019_I1736531 13000 n/a - n/a
Away
<Nch> vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
<Nch> vs pTlead
CDF_2010_I849042 1960 n/a - n/a
nch-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransMAX
<Nch> vs pTlead
CDF_2010_I849042 1960 n/a - n/a
TransMIN
<Nch> vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Toward
<Nch> vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Jet Multiplicities
Jet multiplicity
CMS_EWK_10_012 7000 5.6 +3.1 8.7
Jet Multiplicities
Ratios of jet multiplicity
CMS_EWK_10_012 7000 4.2 +0.70 4.9
Underlying event
Scalar Σ(pT)
ATLAS_2019_I1736531 13000 n/a - n/a
Away
Σ(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Transverse
Σ(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
sumpt-vs-pt-trnsDif
CDF_2010_I849042 1960 n/a - n/a
TransMAX
Σ(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
TransMIN
Σ(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
Toward
Σ(pT) vs pTlead
CDF_2010_I849042 1960 n/a - n/a
z.m
PHENIX_2019_I1672015 200 30 +1.0 31
pT Z
CDF_2000_I505738 1800 5.8 +0.10 5.9
CDF_2012_I1124333 1960 6.6 0 6.6
CMS_2019_I1753680 13000 n/a - n/a
CMS_2022_I2079374 13000 6.3 -0.20 6.1
D0_2010_I856972 1960 2.1 +0.30 2.4
PHENIX_2019_I1672015 200 230 -10 220
z.pt._z.pt
CMS_2022_I2079374 13000 0.78* +0.32 1.1
z.pt_norm
ATLAS_2011_I917931 7000 1.9 0 1.9
ATLAS_2019_I1768911 13000 n/a - n/a
CMS_2019_I1753680 13000 n/a - n/a
D0_2010_I856972 1960 0.79 +0.31 1.1
y Z
ATLAS_2016_I1467454 8000 3.2 -0.20 3.0
CMS_2019_I1753680 13000 1.1 0 1.1
LHCB_2012_I1208102 7000 5.3 -1.7 3.6
z.y_norm
CMS_2019_I1753680 13000 1.5 -0.66 0.84

* 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 937 histograms.