Generator

pythia8 8.308 tunes validation

Tunes:

2>
incl. 5% "theory uncertainty" on all points
max worst max worst max
default <Δ> default-CD <Δ> default-DL
min best min best min
ee → ee : γ*/Z (hadronic) 54
2.4
0.00016
PbPb → Heavy Ion : minbias 310,000
15,000
3.2
pp/ppbar → 4-lepton 120 +0.43 120
23 -1.0 22
2.9 -0.40 2.8
pp/ppbar → bb 7,500 +2,200 9,700
1,600 +1.0 2,000
1.7 -1.6 1.8
pp/ppbar → Elastic 36 0 35
35 -1.0 34
34 -1.1 34
pp/ppbar → Heavy Ion : minbias 2.2
1.7
1.1
pp/ppbar → Jets
pp/ppbar → Soft QCD (inelastic) 550
14
0.019
pp/ppbar → Soft QCD (nsd only)
pp/ppbar → Total σ
pp/ppbar → Top (t-channel)
pp/ppbar → Top (all)
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt)
pp/ppbar → Underlying Event
pp/ppbar → W+Jet
pp/ppbar → W
pp/ppbar → WW
pp/ppbar → Z+Jet
pp/ppbar → Z (Drell-Yan)
ppPbPb → Heavy Ion : minbias

Legend: [ χ2 < 1 ] / [ 1 ≤ χ2 < 4 ] / [ 4 ≤ χ2 ].

(click on number in the table cell to see individual observables)

The page data is based on 690 histograms.