Generator / tune

Pythia 6 (343:Z2) 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 +17 50 +6.1 50
6.7 -0.10 6.6 -0.30 6.3
0.17 -11 0.15 -16 0.20
pp/ppbar → bb 8.2 +2.1 10 +0.62 8.9
3.9 +0.30 4.2 -0.70 3.5
1.1 -0.024 1.1 +0.032 1.1
pp/ppbar → Elastic 41 0 41 +0.97 42
40 0 40 0 40
39 -0.33 39 0 39
pp/ppbar → Jets 40 +10 31 +8.1 28
2.5 +0.10 2.6 -0.80 1.8
0.018 -13 0.011 -24 0.00024
pp/ppbar → Soft QCD (inelastic) 140 +9.8 150 +10 150
10 0 10 0 10
0.039 -8.7 0.012 -17 0.044
pp/ppbar → Soft QCD (nsd only) 200
21
0.13
pp/ppbar → Total σ 2.8 +0.0014 2.8 -0.00089 2.8
2.8 0 2.8 0 2.8
2.8 +0.0014 2.8 -0.00089 2.8
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 21 +1.5 220 +22 220
4.5 +8.5 13 0 13
0.036 -1.3 0.019 -16 0.023
pp/ppbar → Underlying Event 10.0 +0.34 8.6 +2.9 6.3
1.6 +0.20 1.8 -0.50 1.3
0.079 -2.6 0.059 -2.2 0.025
pp/ppbar → W+Jet
pp/ppbar → Z+Jet 92 +5.1 120 +17 84
4.5 -0.30 4.2 -1.3 2.9
0.17 -7.5 0.032 -5.3 0.13
pp/ppbar → Z (Drell-Yan) 40 +10 34 +20 50
15 -4.0 11 +1.0 12
0.70 -10 0.35 -7.6 0.76

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 8087 histograms.