Generator / tune

Pythia 8 (MBR) 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 +0.86 120 +0.58 120
22 0 22 +1.0 23
2.5 -0.33 2.8 -0.32 2.8
pp/ppbar → bb 73 +0.40 14 +3.1 130
12 -6.6 5.4 +11 16
1.7 -0.99 1.3 -0.062 1.7
pp/ppbar → Elastic 18 -0.011 17 +3.9 21
16 -1.0 15 +2.0 17
14 -1.4 14 +0.019 14
pp/ppbar → Jets 300 +76 290 +230 390
78 -7.0 71 +89 160
0.00029 -68 0.000087 -3.6 0.00014
pp/ppbar → Soft QCD (inelastic) 110 +3.2 88 +120 210
4.5 -0.20 4.3 +0.90 5.2
0.00037 -25 0.0000021 -2.4 0.000087
pp/ppbar → Soft QCD (nsd only) 12 +0.38 12 +2.3 13
2.7 -0.10 2.6 +0.10 2.7
0.050 -1.6 0.037 -0.44 0.045
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) 2.8 +0.062 2.6 +0.84 2.7
1.1 -0.12 0.98 +0.020 1.0
0.17 -0.67 0.098 -0.27 0.11