Generator / tune

Pythia 8 (2M) versions validation

Versions:

2>
incl. 5% "theory uncertainty" on all points
max worst max worst max
8.308 <Δ> 8.313 <Δ> 8.315
min best min best min
pp/ppbar → 4-lepton 120
23
4.3
pp/ppbar → bb 7,300
1,600
0.17
pp/ppbar → Elastic 35
34
34
pp/ppbar → Jets 520
4.7
0.00026
pp/ppbar → Soft QCD (inelastic) 630
25
0.0093
pp/ppbar → Soft QCD (nsd only) 820 1,400
74 100
2.0 1.1
pp/ppbar → Total σ 2.7 0 2.7
2.7 0 2.7
2.7 0 2.7
pp/ppbar → Top (t-channel) 4.9
1.1
0.033
pp/ppbar → Top (all) 1.2
0.60
0.26
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 46
2.8
0.0056
pp/ppbar → Underlying Event 110
7.1
0.11
pp/ppbar → W+Jet 140
49
18
pp/ppbar → W 110
37
0.33
pp/ppbar → WW 36
19
0.55
pp/ppbar → Z+Jet 620
12
0.097
pp/ppbar → Z (Drell-Yan) 770,000,000
2,700,000
0.15

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 4461 histograms.