Generator / tune

Pythia 6 (109:D6T) 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) 50 +1.8 51 +2.4 51
2.2 0 2.2 0 2.2
0.00055 -1.1 0.000035 -1.3 0.00040
pp/ppbar → bb 42 +0.27 40 +16 130
13 -3.0 10 +10 20
1.2 -2.1 1.2 -0.12 1.2
pp/ppbar → Elastic 19 0 19 +4.0 23
17 0 17 +2.0 19
15 -0.41 15 +0.022 15
pp/ppbar → Jets 280 +70 280 +230 380
75 -6.0 69 +91 160
0.00087 -71 0.0039 -6.5 0.00025
pp/ppbar → Soft QCD (inelastic) 88 +7.8 85 +110 180
6.6 +0.10 6.7 +1.9 8.6
0.00025 -12 0.00021 -3.5 0.00025
pp/ppbar → Soft QCD (nsd only) 25 +1.8 26 +2.5 27
6.4 +0.30 6.7 +0.60 7.3
0.19 -0.77 0.20 -0.62 0.20
pp/ppbar → Total σ 2.0 +0.0068 2.0 +0.0087 2.0
2.0 0 2.0 0 2.0
2.0 +0.0068 2.0 +0.0087 2.0
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 110 +19 110 +86 180
7.6 +0.10 7.7 +3.3 11
0.0096 -14 0.0089 -4.2 0.0087
pp/ppbar → Underlying Event 26 +4.2 26 +8.8 44
5.3 0 5.3 +2.4 7.7
0.28 -4.1 0.28 -0.59 0.042
pp/ppbar → W+Jet 4.3 +0.41 4.9 +5.0 9.9
3.1 +0.20 3.3 +1.1 4.4
2.1 -0.35 2.3 -0.13 2.3
pp/ppbar → Z+Jet 320 +66 310 +230 380
98 -8.0 90 +80 170
0.27 -65 0.38 -3.3 0.38
pp/ppbar → Z (Drell-Yan) 47 +0.91 41 +14 53
22 -2.0 20 +4.0 24
0.66 -6.7 0.58 -0.68 0.62

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 11067 histograms.