Generator / tune

Details for Pythia 8.307 pptherm vs. 8.308

pp/ppbar → bb


Observable Reference Energy χ2+5% (8.307) Δ χ2+5% (8.308)
B jet
η
CMS_2016_I1486238 7000 12,000 -1.0 11,000
LHCB_2010_I867355 7000 2.4 +0.10 2.5
B jet
pT
CMS_2016_I1486238 7000 n/a - n/a
B jet
ΔR
CMS_2011_I889807 7000 3.3* 0 3.3*
B jet
Δφ
CMS_2011_I889807 7000 3.1* -0.40 2.7
ΔS (bjets, ljets)
CMS_2016_I1486238 7000 6.6 +0.50 7.1
Lepton η
CMS_2011_I884811 7000 7.1 +0.80 7.9
Lepton pT
ATLAS_2011_I926145 7000 130* - n/a
CMS_2011_I884811 7000 8.8 - n/a
Light jet
η
CMS_2016_I1486238 7000 8,800 0 8,100
Light jet
pT
CMS_2016_I1486238 7000 n/a - n/a
Light jet
Δφ
CMS_2016_I1486238 7000 3.1 0 3.1
Light jet
pT balance
CMS_2016_I1486238 7000 11 -2.0 9.0
w
LHCB_2020_I1787090 13000 9.2 -1.5 7.7
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.