Generator

pythia8 8.180 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
1.6 ? ?
0.00090
pp/ppbar → 4-lepton 120 120
22 22 ?
1.1 1.2
pp/ppbar → bb 28 28 5.9
6.5 6.2 2.7
0.19 0.19 0.17
pp/ppbar → Elastic 20 19 2.6
18 17 2.3
15 15 1.9
pp/ppbar → Jets 280 300 100
76 80 20
0.00034 0.000079 0.00077
pp/ppbar → Soft QCD (inelastic) 86 140 80
4.4 4.6 4.2
0.000061 0.000061 0.0030
pp/ppbar → Soft QCD (nsd only) 14 14 14
2.6 2.5 2.7
0.043 0.043 0.012
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) 2.4 2.3
0.68 0.74 ?
0.031 0.11
pp/ppbar → Top (all)
? ? ?
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 54 55
5.7 5.5 ?
0.0087 0.0012
pp/ppbar → Underlying Event 23 22 20
1.7 1.6 2.0
0.032 0.048 0.025
pp/ppbar → W+Jet 2.6 6.1
2.3 3.4 ?
1.9 1.0
pp/ppbar → W 47 52
9.6 11 ?
0.70 0.90
pp/ppbar → WW 50 51
19 19 ?
0.094 0.12
pp/ppbar → Z+Jet 330 330
94 92 ?
0.38 0.36
pp/ppbar → Z (Drell-Yan) 52 47
9.7 9.6 ?
0.32 0.37

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 8439 histograms.