Generator / tune

Details for Pythia 8.313 tune-4cx vs. 8.315

pp/ppbar → bb


Observable Reference Energy χ2+5% (8.313) Δ χ2+5% (8.315)
B jet
η
CMS_2016_I1486238 7000 5,900 +6,000 12,000
LHCB_2010_I867355 7000 0.79 +0.030 0.82
B jet
pT
CMS_2016_I1486238 7000 n/a - n/a
B jet
ΔR
CMS_2011_I889807 7000 3.2* -0.60 2.6*
B jet
Δφ
CMS_2011_I889807 7000 2.8 0 2.8
ΔS (bjets, ljets)
CMS_2016_I1486238 7000 16 +24 40
Lepton η
CMS_2011_I884811 7000 4.7 +0.70 5.4
Lepton pT
ATLAS_2011_I926145 7000 n/a - 67*
CMS_2011_I884811 7000 4.9 +2.2 7.1
Light jet
η
CMS_2016_I1486238 7000 4,300 +6,100 10,000
Light jet
pT
CMS_2016_I1486238 7000 n/a - n/a
Light jet
Δφ
CMS_2016_I1486238 7000 5.7 +6.3 12
Light jet
pT balance
CMS_2016_I1486238 7000 17 +19 36
w
LHCB_2020_I1787090 13000 8.1 +3.9 12
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.