Generator

pythia8 8.165 tunes validation

Tunes:

2>
incl. 5% "theory uncertainty" on all points
max max max
default tune-4cx tune-A2
min min min
ee → ee : γ*/Z (hadronic) 55
1.5 ? ?
0.00092
pp/ppbar → 4-lepton 120 120 120
22 22 21
1.3 1.2 1.1
pp/ppbar → bb 28 6.8 28
6.8 3.7 7.4
0.20 0.18 0.21
pp/ppbar → Elastic 19 20 19
17 18 17
15 15 15
pp/ppbar → Jets 320 290 290
80 74 89
0.00032 0.00063 0.00059
pp/ppbar → Soft QCD (inelastic) 130 91 75
4.4 4.1 4.2
0.000011 0.000061 0.000061
pp/ppbar → Soft QCD (nsd only) 13 15 14
2.4 2.7 2.5
0.026 0.092 0.016
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 2.1 2.8
0.84 0.67 0.87
0.063 0.082 0.083
pp/ppbar → Top (all)
? ? ?
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 59 58 58
5.5 5.8 6.7
0.0070 0.013 0.0060
pp/ppbar → Underlying Event 23 21 26
1.7 1.5 1.6
0.029 0.051 0.037
pp/ppbar → W+Jet 5.9 6.6 7.1
2.8 3.1 2.5
0.99 1.8 0.23
pp/ppbar → W 26 16 28
5.5 4.5 5.1
1.3 0.74 1.1
pp/ppbar → WW 51 50 50
19 19 19
0.090 0.12 0.11
pp/ppbar → Z+Jet 290 330 330
86 96 96
0.47 0.13 0.30
pp/ppbar → Z (Drell-Yan) 29 33 25
9.2 6.9 7.5
0.34 0.32 0.27

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 11316 histograms.