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) 54 +0.47 220 +0.89 54
1.8 +0.60 2.4 -0.60 1.8
0.00033 -1.6 0.00073 -0.57 0.000065
pp/ppbar → bb 84 +2.9 29 +6.1 170
13 -3.0 10 +8.0 18
0.32 -3.7 0.33 -0.77 0.31
pp/ppbar → Elastic 22 -0.0020 21 +2.2 23
18 0 18 +1.0 19
15 -0.65 15 +0.0073 15
pp/ppbar → Jets 360 +49 360 +180 390
120 0 120 +70 190
0.00013 -28 0.00095 -8.4 0.00027
pp/ppbar → Soft QCD (inelastic) 170 +13 180 +86 270
4.9 +0.100 5.0 +0.80 5.8
0.00024 -6.3 0.00025 -3.9 0.00025
pp/ppbar → Soft QCD (nsd only) 15 +0.69 15 +1.9 17
2.5 0 2.5 +0.10 2.6
0.42 -0.58 0.22 -0.68 0.25
pp/ppbar → Total σ 2.0 +0.0031 2.0 -0.0011 2.0
2.0 0 2.0 0 2.0
2.0 +0.0031 2.0 -0.0011 2.0
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 160 +20 160 +43 190
9.3 +0.30 9.6 +1.4 11
0.0059 -9.9 0.0012 -2.4 0.0096
pp/ppbar → Underlying Event 19 +0.93 19 +2.8 20
1.6 +0.100 1.7 +0.40 2.1
0.015 -2.2 0.014 -1.2 0.0081
pp/ppbar → W+Jet 6.5 +0.85 6.1 +2.8 9.0
4.3 -0.40 3.9 -0.70 3.2
2.7 -0.79 2.2 -2.9 0.58
pp/ppbar → Z+Jet 370 +14 360 +190 390
140 0 140 +50 190
0.25 -30 0.37 -3.4 0.24
pp/ppbar → Z (Drell-Yan) 40 +1.3 41 +7.0 260
19 0 19 +3.0 22
0.27 -1.9 0.33 -0.40 0.33

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 11976 histograms.