Generator

pythia8 8.201 tunes validation

Tunes:

2>
incl. 5% "theory uncertainty" on all points
max max max
default default-CD default-noCR
min min min
ee → ee : γ*/Z (hadronic) 57
1.6 ? ?
0.0014
pp/ppbar → 4-lepton 120 120
23 23 ?
2.7 2.5
pp/ppbar → bb 52 19 28
11 6.6 6.8
1.7 1.8 1.5
pp/ppbar → Elastic 19 20 21
17 18 18
15 15 15
pp/ppbar → Jets 320 320 320
87 81 90
0.00038 0.00016 0.00098
pp/ppbar → Soft QCD (inelastic) 120 120 150
4.5 4.5 11
0.000061 0.000061 0.000061
pp/ppbar → Soft QCD (nsd only) 13 13 48
2.7 2.6 11
0.075 0.098 0.16
pp/ppbar → Total σ 2.0 2.0 2.0
2.0 2.0 2.0
2.0 2.0 2.0
pp/ppbar → Top (t-channel) 2.7 2.4 3.1
1.0 0.95 1.1
0.098 0.078 0.056
pp/ppbar → Top (all) 0.96
? ? 0.86
0.77
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 90 73 68
8.9 6.4 6.4
0.015 0.0061 0.010
pp/ppbar → Underlying Event 13 8.1 39
1.5 1.4 6.5
0.075 0.081 0.042
pp/ppbar → W+Jet 5.1 6.6 6.0
3.1 3.0 2.5
1.3 1.5 0.69
pp/ppbar → W 20 13 19
4.5 3.6 4.0
0.34 0.59 1.2
pp/ppbar → WW 54 51 52
19 19 19
0.077 0.088 0.12
pp/ppbar → Z+Jet 330 310 310
100 100 95
0.34 0.42 0.26
pp/ppbar → Z (Drell-Yan) 35 39 77
7.8 9.4 15
0.23 0.43 0.53

Legend: [ χ2 < 1 ] / [ 1 ≤ χ2 < 4 ] / [ 4 ≤ χ2 ].The '?' means the χ2 computation is not yet complete.

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

The page data is based on 11203 histograms.