Generator / tune

Pythia 6 (357:T16) 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) 55 +25 53 +4.4 53
3.4 +0.10 3.5 -0.10 3.4
0.0064 -2.9 0.014 -23 0.0057
pp/ppbar → bb 8.2 +0.022 10 +0.044 9.1
2.4 +1.1 3.5 -0.10 3.4
0.33 -0.51 0.34 -1.2 0.30
pp/ppbar → Elastic 42 0 40 +0.11 41
40 0 40 0 40
39 -1.3 39 0 39
pp/ppbar → Jets 28 +7.5 43 +5.7 31
1.8 -0.10 1.7 0 1.7
0.00013 -13 0.0018 -11 0.0016
pp/ppbar → Soft QCD (inelastic) 420 +57 430 +43 400
24 +2.0 26 -2.0 24
0.055 -60 0.050 -85 0.052
pp/ppbar → Soft QCD (nsd only) 450
120
1.4
pp/ppbar → Total σ 2.8 -0.0086 2.8 +0.0020 2.8
2.8 0 2.8 0 2.8
2.8 -0.0086 2.8 +0.0020 2.8
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 250 +22 270 +19 250
13 0 13 0 13
0.0057 -22 0.0027 -17 0.0074
pp/ppbar → Underlying Event 13 +1.5 14 +5.9 64
1.9 -0.20 1.7 +3.4 5.1
0.029 -0.43 0.048 -1.9 0.089
pp/ppbar → W+Jet 78 27
44 -28 16
19 5.0
pp/ppbar → Z+Jet 63 +7.1 75 +17 84
2.2 +0.30 2.5 -0.60 1.9
0.097 -13 0.051 -4.8 0.036
pp/ppbar → Z (Drell-Yan) 13 +5.2 40 +18 36
4.0 +15 19 -11 7.6
0.62 -5.0 0.61 +0.22 0.83

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 9044 histograms.