Generator

pythia8 8.209 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) 59
1.5 ? ?
0.00099
pp/ppbar → 4-lepton 120 120 120
22 23 23
2.4 2.8 2.7
pp/ppbar → bb 84 28 19
12 7.7 6.3
1.5 1.5 1.7
pp/ppbar → Elastic 20 18 19
18 17 17
15 15 15
pp/ppbar → Jets 300 320 280
83 81 77
0.00028 0.000019 0.0016
pp/ppbar → Soft QCD (inelastic) 90 120 120
4.2 4.3 11
0.000061 0.000061 0.000061
pp/ppbar → Soft QCD (nsd only) 13 12 49
2.7 2.7 11
0.096 0.069 0.12
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) 2.5 2.8 2.4
1.0 1.0 0.91
0.084 0.18 0.10
pp/ppbar → Top (all)
? ? ?
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 42 51 64
3.9 4.3 4.3
0.0050 0.0079 0.0066
pp/ppbar → Underlying Event 9.2 24 38
1.3 2.7 6.8
0.095 0.086 0.42
pp/ppbar → W+Jet 4.6 5.2 7.0
2.9 3.0 2.4
1.2 2.0 0.51
pp/ppbar → W 22 16 26
4.0 4.8 4.7
0.60 0.78 0.49
pp/ppbar → WW 52 53 53
20 19 19
0.14 0.088 0.093
pp/ppbar → Z+Jet 330 290 290
100 94 97
0.26 0.28 0.31
pp/ppbar → Z (Drell-Yan) 36 36 40
8.6 9.0 13
0.29 0.078 0.33

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 11334 histograms.