Generator / tune

Pythia 8 (2C) 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
6.1
pp/ppbar → bb 16,000
3,100
0.23
pp/ppbar → Elastic 36
35
34
pp/ppbar → Jets 130 +270,000 270,000
2.6 +320 320
0.00023 -130 0.00026
pp/ppbar → Soft QCD (inelastic) 540
20
0.049
pp/ppbar → Soft QCD (nsd only) 1,100
140
1.3
pp/ppbar → Total σ 2.7
2.7
2.7
pp/ppbar → Top (t-channel) 4.3
1.4
0.065
pp/ppbar → Top (all) 0.91
0.68
0.44
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 140
9.0
0.0038
pp/ppbar → Underlying Event 120
7.8
0.12
pp/ppbar → W+Jet 120
45
14
pp/ppbar → W 65
21
0.21
pp/ppbar → WW 35
19
0.43
pp/ppbar → Z+Jet 800
13
0.059
pp/ppbar → Z (Drell-Yan) 1,000,000,000
3,400,000
0.22

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 5902 histograms.