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 ? ?
0.00078
pp/ppbar → 4-lepton 120 120
22 22 ?
1.1 1.1
pp/ppbar → bb 28 57 5.9
8.5 11 2.7
0.20 0.20 0.17
pp/ppbar → Elastic 21 20 12
18 18 5.8
15 15 1.9
pp/ppbar → Jets 340 340 170
120 120 33
0.00048 0.00032 0.00098
pp/ppbar → Soft QCD (inelastic) 150 160 140
4.9 4.8 4.5
0.000061 0.000061 0.00047
pp/ppbar → Soft QCD (nsd only) 14 14 15
2.6 2.6 2.7
0.041 0.042 0.0078
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) 2.5 2.4
0.75 0.77 ?
0.060 0.091
pp/ppbar → Top (all) 1.1
0.75 ? ?
0.38
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 80 82
8.3 8.8 ?
0.0045 0.0100
pp/ppbar → Underlying Event 23 24 22
1.9 1.8 2.1
0.031 0.046 0.038
pp/ppbar → W+Jet 5.7 6.8
3.3 3.5 ?
1.8 1.1
pp/ppbar → W 53 18
11 4.9 ?
0.93 0.81
pp/ppbar → WW 49 51
20 19 ?
0.100 0.11
pp/ppbar → Z+Jet 360 360
130 130 ?
0.38 0.48
pp/ppbar → Z (Drell-Yan) 58 52
9.7 9.5 ?
0.44 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 9160 histograms.