Generator / tune

Pythia 6 (350:P2011) 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) 53 +1.4 53 +1.5 54
1.8 0 1.8 0 1.8
0.00000067 -0.64 0.0018 -0.62 0.00012
pp/ppbar → bb 29 +1.4 29 +5.3 150
8.9 -0.30 8.6 +8.4 17
0.32 -1.6 0.31 -0.78 0.31
pp/ppbar → Elastic 18 +5.2 23
? 16 +3.0 19
15 +0.022 15
pp/ppbar → Jets 280 +70 290 +220 380
69 +6.0 75 +85 160
0.00046 -69 0.00044 -9.4 0.0013
pp/ppbar → Soft QCD (inelastic) 94 +28 110 +120 240
4.2 +0.100 4.3 +1.2 5.5
0.00023 -15 0.000055 -3.1 0.00026
pp/ppbar → Soft QCD (nsd only) 14 +1.5 14 +2.2 17
2.5 0 2.5 +0.10 2.6
0.44 -0.53 0.22 -0.44 0.26
pp/ppbar → Total σ 2.0 +0.010 2.0 -0.0021 2.0
2.0 0 2.0 0 2.0
2.0 +0.010 2.0 -0.0021 2.0
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 140 +14 150 +55 180
8.5 0 8.5 +2.5 11
0.0063 -6.6 0.0039 -3.3 0.0068
pp/ppbar → Underlying Event 17 +15 20 +5.9 20
1.7 +0.80 2.5 -0.80 1.7
0.024 -3.1 0.039 -15 0.011
pp/ppbar → W+Jet 4.8 +1.0 5.0 +2.6 8.4
3.5 +0.10 3.6 -0.20 3.4
2.8 -0.49 2.3 -2.5 0.58
pp/ppbar → Z+Jet 330 +63 310 +230 390
95 -5.0 90 +80 170
0.16 -63 0.34 -4.2 0.24
pp/ppbar → Z (Drell-Yan) 34 +5.2 34 +18 48
16 +2.0 18 +2.0 20
0.30 -4.9 0.50 -0.59 0.31

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 11443 histograms.