Generator / tune

Pythia 6 (Def) versions validation

Versions:

2>
incl. 5% "theory uncertainty" on all points
max worst max worst max
6.426 <Δ> 6.427 <Δ> 6.428
min best min best min
ee → ee : γ*/Z (hadronic) 50 +2.1 51 +2.1 220
2.2 0 2.2 +0.70 2.9
0.000041 -2.1 0.00073 -0.80 0.00067
pp/ppbar → bb 27 +0.58 27 +21 140
9.9 0 9.9 +10 20
0.73 -1.8 0.72 -0.35 0.74
pp/ppbar → Elastic 20 +0.12 21 +2.2 23
18 0 18 +1.0 19
15 0 15 +0.010 15
pp/ppbar → Jets 280 +70 310 +220 380
67 +5.0 72 +88 160
0.0014 -67 0.0022 -26 0.0021
pp/ppbar → Soft QCD (inelastic) 89 +15 79 +120 180
6.5 0 6.5 +1.5 8.0
0.00024 -21 0.00028 -15 0.00025
pp/ppbar → Soft QCD (nsd only) 29 +0.95 29 +4.1 52
7.3 -0.100 7.2 +0.70 7.9
0.13 -1.9 0.11 -0.95 0.093
pp/ppbar → Total σ 2.0 +0.0022 2.0 +0.0045 2.0
2.0 0 2.0 0 2.0
2.0 +0.0022 2.0 +0.0045 2.0
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 160 +2.7 32 +6.6 190
10 -5.7 4.3 +8.7 13
0.0099 -1.6 0.011 -1.4 0.0059
pp/ppbar → Underlying Event 31 +2.7 29 +11 41
5.0 0 5.0 +1.3 6.3
0.24 -4.6 0.15 -2.7 0.092
pp/ppbar → W+Jet 5.7 +0.10 5.8 +1.2 10
3.5 -0.40 3.1 +1.5 4.6
2.4 -1.00 1.9 -0.038 2.5
pp/ppbar → Z+Jet 330 +65 330 +220 380
88 +7.0 95 +75 170
0.25 -65 0.37 -0.75 0.33
pp/ppbar → Z (Drell-Yan) 45 +15 48 +10 56
22 +2.0 24 +3.0 27
0.44 -2.1 1.3 -0.41 0.91

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 10714 histograms.