Generator / tune

Pythia 6 (320:P0) 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) 96 +10 74 +12 76
2.9 +0.20 3.1 +0.50 3.6
0.0042 -22 0.0079 -5.0 0.0030
pp/ppbar → bb 10 +1.1 9.0 +1.2 10
3.7 0 3.7 +0.30 4.0
0.72 -1.1 0.71 -0.017 0.70
pp/ppbar → Elastic 41 +0.0022 41 +1.1 42
40 0 40 0 40
39 0 39 0 39
pp/ppbar → Jets 98 +6.9 33 +4.5 28
3.6 -0.30 3.3 -1.2 2.1
0.011 -12 0.024 -27 0.0012
pp/ppbar → Soft QCD (inelastic) 1,500 +9.6 1,400 +50 1,400
32 -6.0 26 0 26
0.043 -100 0.031 -41 0.034
pp/ppbar → Soft QCD (nsd only) 330 +36 290
50 -2.0 48
2.0 -44 2.0
pp/ppbar → Total σ 2.8 -0.021 2.8 +0.020 2.8
2.8 0 2.8 0 2.8
2.8 -0.021 2.8 +0.020 2.8
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 310 +20 270 +25 280
14 0 14 +1.0 15
0.0030 -37 0.0035 -19 0.0051
pp/ppbar → Underlying Event 54 +0.071 20 +10 30
10 -4.1 5.9 -0.60 5.3
0.31 -34 0.30 -3.2 0.15
pp/ppbar → W+Jet 50 -0.84 26
28 -13 15
4.9 -0.84 4.0
pp/ppbar → Z+Jet 160 +6.2 69 +20 89
6.9 -1.7 5.2 -0.80 4.4
0.31 -12 0.34 -10.0 0.33
pp/ppbar → Z (Drell-Yan) 43 +0.83 59 +4.8 18
10 +17 27 -22 5.4
0.65 -9.5 0.32 -0.70 0.77

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 9253 histograms.