Generator / tune

Pythia 8 (Def) 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
ee → ee : γ*/Z (hadronic) 58 +1.8 59 +3.0 220
1.6 0 1.6 +0.60 2.2
0.000080 -1.6 0.00026 -1.5 0.000096
pp/ppbar → 4-lepton 120 +1.1 120 +1.2 120
23 0 23 0 23
2.7 -1.3 2.9 -0.60 2.7
pp/ppbar → bb 28 +1.2 17 +5.4 120
8.0 -1.3 6.7 +8.3 15
1.7 -0.10 1.7 -0.81 1.7
pp/ppbar → Elastic 19 -0.011 17 +4.0 21
16 -1.0 15 +2.0 17
14 -1.9 14 +0.020 14
pp/ppbar → Jets 320 +76 320 +230 380
84 +5.0 89 +71 160
0.00014 -75 0.00061 -2.6 0.000098
pp/ppbar → Soft QCD (inelastic) 82 +6.8 83 +130 210
4.1 -0.50 3.6 +1.6 5.2
0.00023 -4.3 0.00014 -2.4 0.000017
pp/ppbar → Soft QCD (nsd only) 13 +0.62 13 +1.8 13
2.6 0 2.6 +0.10 2.7
0.067 -0.90 0.047 -0.90 0.041
pp/ppbar → Total σ 2.0 0 2.0 +0.0052 2.0
2.0 0 2.0 0 2.0
2.0 0 2.0 +0.0052 2.0
pp/ppbar → Top (t-channel) 2.7 +0.22 2.7 +0.12 2.6
1.0 0 1.0 0 1.0
0.060 -0.21 0.15 -0.16 0.041