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 +1.8 50 +2.8 220
4.5 0 4.5 +0.60 5.1
0.014 -3.0 0.015 -0.74 0.012
pp/ppbar → bb 29 +1.1 29 +4.4 140
9.4 +0.100 9.5 +6.5 16
1.1 -0.46 1.2 -0.79 1.1
pp/ppbar → Elastic 21 0 21 +2.3 23
18 0 18 +1.0 19
15 -0.16 15 +0.010 15
pp/ppbar → Jets 320 +71 320 +220 380
78 -3.0 75 +85 160
0.0016 -71 0.00043 -11 0.0014
pp/ppbar → Soft QCD (inelastic) 88 +12 84 +72 150
4.7 -0.20 4.5 +1.0 5.5
0.000051 -19 0.00014 -2.8 0.0000060
pp/ppbar → Soft QCD (nsd only) 14 +1.3 15 +5.5 20
2.9 0 2.9 +0.10 3.0
0.038 -0.71 0.049 -0.75 0.073
pp/ppbar → Total σ 2.0 +0.0063 2.0 -0.00099 2.0
2.0 0 2.0 0 2.0
2.0 +0.0063 2.0 -0.00099 2.0
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 130 +19 120 +95 170
7.2 -0.40 6.8 +4.2 11
0.0015 -40 0.010 -8.6 0.022
pp/ppbar → Underlying Event 13 +3.6 17 +15 29
1.9 +0.10 2.0 +0.60 2.6
0.022 -6.3 0.016 -0.94 0.022
pp/ppbar → W+Jet 8.3 +0.75 5.8 +2.5 11
4.3 -0.50 3.8 +0.80 4.6
2.2 -0.77 1.5 -1.2 1.8
pp/ppbar → Z+Jet 330 +69 330 +220 380
90 -6.0 84 +86 170
0.56 -61 0.53 -3.7 0.31
pp/ppbar → Z (Drell-Yan) 40 +4.9 42 +11 46
21 +1.0 22 +2.0 24
0.61 -4.9 0.63 -1.3 0.34

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 11188 histograms.