Generator / tune

Details for Sherpa 2.2.8 default vs. 2.2.9

pp/ppbar → Z (Drell-Yan)


Observable Reference Energy χ2+5% (2.2.8) Δ χ2+5% (2.2.9)
Underlying event
 <Nch> vs pTZ
 ATLAS_2019_I1736531 13000 n/a - 230*
Underlying event
 <pT>
 ATLAS_2019_I1736531 13000 n/a - 5.8*
<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 n/a - 3.1*
<pT>Z vs Nch
 CDF_2010_I849042 1960 n/a - n/a
Underlying event
 Σ(pT) vs pTZ
 ATLAS_2019_I1736531 13000 n/a - 140
Underlying event
 pT spectrum
 ATLAS_2019_I1736531 13000 n/a - 2.3*
Jet Substructure
 Splitting scale d0
 ATLAS_2017_I1589844 8000 65 +2.0 67
Jet Substructure
 Splitting scale d1
 ATLAS_2017_I1589844 8000 99 +1.0 100
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 2.8 +0.10 2.9
Dilepton
 m
 ATLAS_2019_I1725190 13000 n/a - n/a
Dilepton
 φ*η
 CMS_2019_I1753680 13000 n/a - 1.8*
CMS_2022_I2079374 13000 3.0 -0.10 2.9
D0_2010_I871787 1960 1.2* -0.100 1.1
LHCB_2012_I1208102 7000 5.6 +0.60 6.2
LHCB_2021_I1990313 13000 n/a - 2.1*
Dilepton
 φ*η ratio
 CMS_2022_I2079374 13000 1.4* +0.20 1.6
ll.phiStar_norm
 ATLAS_2019_I1768911 13000 n/a - 1.4
CMS_2019_I1753680 13000 n/a - 2.4
Dilepton
 pT
 LHCB_2021_I1990313 13000 3.0* +0.50 3.5*
Dilepton
 y
 LHCB_2021_I1990313 13000 n/a - 2.0
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 8.7 -1.5 7.2
Jet Multiplicities
 Ratios of jet multiplicity
 CMS_EWK_10_012 7000 4.9 -0.80 4.1
Underlying event
 Scalar Σ(pT)
 ATLAS_2019_I1736531 13000 n/a - 19*
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 31 +8.0 39
pT Z
 CDF_2000_I505738 1800 5.9 -0.10 5.8
CDF_2012_I1124333 1960 6.6 +0.10 6.7
CMS_2019_I1753680 13000 n/a - n/a
CMS_2022_I2079374 13000 6.1 +1.0 7.1
D0_2010_I856972 1960 2.4 -0.10 2.3
PHENIX_2019_I1672015 200 220 +130 350
z.pt._z.pt
 CMS_2022_I2079374 13000 1.1 0 1.1
z.pt_norm
 ATLAS_2011_I917931 7000 1.9 -0.100 1.8
ATLAS_2019_I1768911 13000 n/a - n/a
CMS_2019_I1753680 13000 n/a - n/a
D0_2010_I856972 1960 1.1 -0.11 0.99
y Z
 ATLAS_2016_I1467454 8000 3.0 +0.20 3.2
CMS_2019_I1753680 13000 1.1 +0.80 1.9
LHCB_2012_I1208102 7000 3.6 +1.00 4.6
z.y_norm
 CMS_2019_I1753680 13000 0.84 -0.090 0.75

* 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.