Generator / tune

Pythia 8 (AU2) 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 +0.28 120 +1.7 120
23 -1.0 22 +1.0 23
5.9 -1.9 5.6 -0.046 6.0
pp/ppbar → bb 19 +2.6 48 +30 78
5.1 +4.1 9.2 +2.8 12
0.22 -0.29 0.22 -0.48 0.23
pp/ppbar → Elastic 19 0 19 +2.1 21
16 0 16 +1.0 17
14 -0.090 14 +0.0093 14
pp/ppbar → Jets 290 +68 320 +220 380
87 -9.0 78 +92 170
0.00044 -72 0.00029 -13 0.00045
pp/ppbar → Soft QCD (inelastic) 74 +50 120 +97 220
4.3 +0.60 4.9 +0.90 5.8
0.0035 -7.2 0.0035 -2.8 0.0035
pp/ppbar → Soft QCD (nsd only) 14 +2.2 13 +1.1 14
2.6 0 2.6 0 2.6
0.039 -1.2 0.048 -0.35 0.056
pp/ppbar → Total σ 2.0 +0.0029 2.0 +0.0025 2.0
2.0 0 2.0 0 2.0
2.0 +0.0029 2.0 +0.0025 2.0
pp/ppbar → Top (t-channel) 2.4 +0.64 2.3 +0.29 2.6
0.71 +0.070 0.78 +0.020 0.80
0.034 -0.14 0.085 -0.32 0.053