Generator / tune

Pythia 8 (no RapOrder) versions validation

Versions:

2>
incl. 5% "theory uncertainty" on all points
max worst max worst max
8.306 <Δ> 8.307 <Δ> 8.308
min best min best min
pp/ppbar → 4-lepton 120 +0.93 120 +0.77 120
22 +1.0 23 0 23
2.3 -0.49 3.0 -0.63 2.6
pp/ppbar → bb 19 +1.1 27 +3.0 120
6.7 +1.8 8.5 +6.5 15
1.7 -0.99 1.8 -1.1 1.7
pp/ppbar → Elastic 17 +0.29 17 +3.6 21
15 0 15 +2.0 17
14 0 14 +0.020 14
pp/ppbar → Jets 320 +70 300 +220 380
78 +3.0 81 +89 170
0.0015 -72 0.00077 -2.9 0.0014
pp/ppbar → Soft QCD (inelastic) 66 +13 120 +95 210
4.1 +0.30 4.4 +0.80 5.2
0.0035 -5.2 0.0013 -1.7 0
pp/ppbar → Soft QCD (nsd only) 12 +0.68 12 +2.5 13
2.7 0 2.7 +0.100 2.8
0.028 -0.92 0.031 -0.62 0.031
pp/ppbar → Total σ 2.0 -0.0029 2.0 +0.0053 2.0
2.0 0 2.0 0 2.0
2.0 -0.0029 2.0 +0.0053 2.0
pp/ppbar → Top (t-channel) 2.7 +0.20 2.8 +0.49 2.7
1.0 0 1.0 0 1.0
0.15 -0.083 0.062 -0.29 0.057
pp/ppbar → Top (all) 0.86
? ? 0.73
0.59
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 36 +8.8 39 +70 110
3.6 -0.10 3.5 +2.6 6.1
0.0078 -11 0.0026 -3.5 0.0096
pp/ppbar → Underlying Event 19 +1.8 9.0 +2.6 19
2.4 -0.60 1.8 +0.20 2.0
0.13 -17 0.15 -7.0 0.12
pp/ppbar → W+Jet 8.0 +0.19 7.4 +2.8 9.0
3.6 -0.30 3.3 +0.20 3.5
1.5 -1.6 1.4 +0.043 0.56
pp/ppbar → W 2.8 +0.57 15 +7.0 22
1.7 +1.8 3.5 +0.50 4.0
0.44 -0.20 0.71 -1.2 0.33
pp/ppbar → WW 52 +6.5 54 +1.2 53
19 +1.0 20 0 20
0.15 -0.35 0.17 -3.3 0.16
pp/ppbar → Z+Jet 330 +66 330 +220 390
90 +9.0 99 +71 170
0.24 -63 0.41 -1.3 0.22
pp/ppbar → Z (Drell-Yan) 34 +25 34 +34 50
6.6 +2.2 8.8 -0.50 8.3
0.23 -9.2 0.17 -25 0.21

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 11339 histograms.