Generator

pythia8 8.183 tunes validation

Tunes:

2>
incl. 5% "theory uncertainty" on all points
max max max
default default-CD default-MBR
min min min
ee → ee : γ*/Z (hadronic) 56
1.5 ? ?
0.00090
pp/ppbar → 4-lepton 120 120
23 22 ?
6.2 6.2
pp/ppbar → bb 28 28 6.7
6.7 6.8 2.6
0.19 0.19 0.17
pp/ppbar → Elastic 20 22 2.0
18 18 2.0
15 15 1.9
pp/ppbar → Jets 320 300 100
86 77 22
0.00081 0.00034 0.0046
pp/ppbar → Soft QCD (inelastic) 80 72 130
5.6 5.3 4.9
0.000061 0.000061 0.00061
pp/ppbar → Soft QCD (nsd only) 15 14 14
2.5 2.4 2.7
0.051 0.032 0.0051
pp/ppbar → Total σ 2.0 2.0 0.0000026
2.0 2.0 0.0000026
2.0 2.0 0.0000026
pp/ppbar → Top (t-channel) 2.3 2.5
0.75 0.78 ?
0.10 0.062
pp/ppbar → Top (all)
? ? ?
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 62 75
5.9 7.4 ?
0.0039 0.0070
pp/ppbar → Underlying Event 59 84 39
7.8 9.3 4.6
0.084 0.095 0.063
pp/ppbar → W+Jet 5.1 5.6
2.5 3.2 ?
1.2 1.7
pp/ppbar → W 29 24
5.8 5.3 ?
0.97 1.0
pp/ppbar → WW 51 50
19 19 ?
0.092 0.15
pp/ppbar → Z+Jet 280 280
90 97 ?
0.23 0.41
pp/ppbar → Z (Drell-Yan) 28 57
9.8 8.6 ?
0.46 0.13

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 8715 histograms.