Generator / tune

Pythia 6 (358:T32) 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 +2.8 53 +2.2 53
3.5 +0.10 3.6 -0.10 3.5
0.012 -8.3 0.0089 -9.4 0.0077
pp/ppbar → bb 7.4 +1.1 11 -0.0077 9.1
2.3 +1.6 3.9 -0.50 3.4
0.34 -0.069 0.30 -1.8 0.30
pp/ppbar → Elastic 41 0 41 0 41
40 0 40 0 40
39 -0.33 39 -0.30 39
pp/ppbar → Jets 22 +13 22 +8.1 26
1.8 0 1.8 -0.20 1.6
0.00059 -10 0.0011 -6.7 0.00095
pp/ppbar → Soft QCD (inelastic) 260 +6.9 250 +45 290
13 +3.0 16 -2.0 14
0.038 -33 0.072 -10 0.052
pp/ppbar → Soft QCD (nsd only) 9.8
4.2
1.4
pp/ppbar → Total σ 2.8 -0.0025 2.8 +0.016 2.8
2.8 0 2.8 0 2.8
2.8 -0.0025 2.8 +0.016 2.8
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 250 +25 240 +30 230
13 0 13 0 13
0.0056 -22 0.018 -23 0.0038
pp/ppbar → Underlying Event 11 +3.5 14 +0.77 10
1.4 +0.30 1.7 +0.50 2.2
0.030 -0.33 0.048 -3.8 0.064
pp/ppbar → W+Jet 28
26
23
pp/ppbar → Z+Jet 64 +9.7 290 +28 89
2.8 +0.90 3.7 -1.5 2.2
0.015 -3.5 0.024 -5.5 0.097
pp/ppbar → Z (Drell-Yan) 34 +19 30 +0.091 17
15 -9.2 5.8 -0.20 5.6
0.90 -5.3 0.36 -13 0.69

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.