Generator

pythia8 8.186 tunes validation

Tunes:

2>
incl. 5% "theory uncertainty" on all points
max worst max worst max
default <Δ> default-CD <Δ> default-DL
min best min best min
ee → ee : γ*/Z (hadronic) 89
3.5
0.00019
pp/ppbar → 4-lepton 120
23
6.2
pp/ppbar → bb 5.4 +3.0 8.3 +0.30 5,800
2.3 +0.50 2.8 1,500 1,500
0.20 -0.018 0.19 -0.24 0.20
pp/ppbar → Elastic 41 +0.013 41
40 0 40
39 0 39
pp/ppbar → Jets 40 +5.2 32 +5.5 32
1.6 0 1.6 +0.100 1.7
0.00044 -4.7 0.00018 -3.7 0.00051
pp/ppbar → Soft QCD (inelastic) 140 +31 110 +61 100
7.8 0 7.8 +1.4 9.2
0.067 -34 0.024 -47 0.00065
pp/ppbar → Soft QCD (nsd only)
pp/ppbar → Total σ 2.7 0 2.7 0 2.7
2.7 0 2.7 0 2.7
2.7 0 2.7 0 2.7
pp/ppbar → Top (t-channel)
pp/ppbar → Top (all)
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 140 +24 160 +8.6 150
8.4 +0.80 9.2 -0.80 8.4
0.011 -8.0 0.0062 -29 0.029
pp/ppbar → Underlying Event 88 +5.0 44 +3.3 42
4.9 -2.5 2.4 +0.20 2.6
0.043 -5.3 0.046 -6.5 0.050
pp/ppbar → W+Jet 98
36
14
pp/ppbar → W 21 +18 39 +1.7 29
5.8 +2.3 8.1 -1.2 6.9
1.1 -1.3 1.2 -11 1.2
pp/ppbar → WW 34 +5.5 36 +1.1 33
17 +2.0 19 -1.0 18
0.25 -0.61 0.54 -8.0 0.53
pp/ppbar → Z+Jet 290 +9.9 75 +3.0 41
3.4 -0.50 2.9 -0.30 2.6
0.13 -9.2 0.080 -34 0.025
pp/ppbar → Z (Drell-Yan) 19 +32 51 +1.6 13
5.7 +2.5 8.2 -1.6 6.6
1.0 -0.17 0.40 -41 0.98

Legend: [ χ2 < 1 ] / [ 1 ≤ χ2 < 4 ] / [ 4 ≤ χ2 ].

(click on number in the table cell to see individual observables)

The page data is based on 9118 histograms.