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) 58
1.6 ? ?
0.0021
pp/ppbar → 4-lepton 120 120 120
23 23 23
2.7 2.7 2.7
pp/ppbar → bb 74 92 82
13 12 12
1.7 1.8 1.6
pp/ppbar → Elastic 22 21 22
19 18 19
15 15 15
pp/ppbar → Jets 360 370 360
120 120 120
0.00036 0.000080 0.00040
pp/ppbar → Soft QCD (inelastic) 170 180 210
4.6 4.8 12
0.000061 0.000061 0.000061
pp/ppbar → Soft QCD (nsd only) 13 13 56
2.7 2.7 12
0.089 0.081 0.15
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 2.7 3.1
0.98 1.0 1.1
0.11 0.10 0.079
pp/ppbar → Top (all) 0.97 1.1
? 0.97 0.82
0.97 0.55
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 100 100 96
10 10 9.9
0.0084 0.0061 0.012
pp/ppbar → Underlying Event 16 20 48
1.6 1.6 7.4
0.070 0.074 0.26
pp/ppbar → W+Jet 5.3 7.5 7.5
3.4 3.6 3.5
0.97 1.2 0.64
pp/ppbar → W 18 3.7 22
4.3 1.9 4.8
0.48 0.59 1.3
pp/ppbar → WW 53 52 52
20 20 20
0.085 0.092 0.100
pp/ppbar → Z+Jet 360 350 360
130 130 130
0.33 0.29 0.37
pp/ppbar → Z (Drell-Yan) 38 40 53
8.5 9.2 14
0.10 0.21 0.47

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 12021 histograms.