Generator / tune

Pythia 6 (104:DWT) 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) 51 +1.4 220 +3.3 50
2.2 +0.60 2.8 -0.60 2.2
0.00021 -1.3 0.000065 -0.99 0.00047
pp/ppbar → bb 67 +13 80 +54 130
14 +1.0 15 +5.0 20
0.74 -0.098 0.75 -0.59 0.75
pp/ppbar → Elastic 21 0 20 +2.4 23
18 0 18 +1.0 19
15 -0.12 15 +0.010 15
pp/ppbar → Jets 300 +71 280 +220 380
75 -4.0 71 +89 160
0.00092 -72 0.0020 -2.5 0.00075
pp/ppbar → Soft QCD (inelastic) 86 +5.4 86 +120 190
6.6 +0.70 7.3 +1.8 9.1
0.00024 -4.9 0.00022 -2.5 0.00026
pp/ppbar → Soft QCD (nsd only) 26 +1.3 26 +1.1 27
6.3 +0.10 6.4 +0.20 6.6
0.14 -0.81 0.14 -0.62 0.14
pp/ppbar → Total σ 2.0 +0.0086 2.0 -0.0028 2.0
2.0 0 2.0 0 2.0
2.0 +0.0086 2.0 -0.0028 2.0
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 120 +39 150 +69 190
7.5 +1.9 9.4 +2.6 12
0.0087 -3.7 0.0093 -6.6 0.0085
pp/ppbar → Underlying Event 26 +2.8 26 +18 52
5.2 -0.20 5.0 +2.7 7.7
0.12 -4.1 0.25 -1.2 0.13
pp/ppbar → W+Jet 4.4 +1.0 4.9 +4.7 9.2
2.8 +0.50 3.3 +1.2 4.5
1.6 +0.21 2.0 -0.083 2.3
pp/ppbar → Z+Jet 290 +70 290 +230 390
89 +6.0 95 +75 170
0.49 -65 0.42 -3.8 0.35
pp/ppbar → Z (Drell-Yan) 60 +4.1 62 +9.4 70
28 0 28 +4.0 32
0.93 -2.2 0.58 -2.0 0.59

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 11087 histograms.