Generator / tune

Details for Pythia 8.308 tune-4cx vs. 8.313

pp/ppbar → bb


Observable Reference Energy χ2+5% (8.308) Δ χ2+5% (8.313)
B jet
η
CMS_2016_I1486238 7000 5,900 0 5,900
LHCB_2010_I867355 7000 0.78 +0.010 0.79
B jet
pT
CMS_2016_I1486238 7000 n/a - n/a
B jet
ΔR
CMS_2011_I889807 7000 3.3* -0.100 3.2*
B jet
Δφ
CMS_2011_I889807 7000 3.1* -0.30 2.8
ΔS (bjets, ljets)
CMS_2016_I1486238 7000 13 +3.0 16
Lepton η
CMS_2011_I884811 7000 4.4 +0.30 4.7
Lepton pT
ATLAS_2011_I926145 7000 n/a - n/a
CMS_2011_I884811 7000 6.9 -2.0 4.9
Light jet
η
CMS_2016_I1486238 7000 4,300 0 4,300
Light jet
pT
CMS_2016_I1486238 7000 n/a - n/a
Light jet
Δφ
CMS_2016_I1486238 7000 5.1 +0.60 5.7
Light jet
pT balance
CMS_2016_I1486238 7000 14 +3.0 17
w
LHCB_2020_I1787090 13000 11 -2.9 8.1
Cross sections
CMS_2011_I884811 7000 n/a - n/a

* 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 56 histograms.