Generator / tune

Pythia 6 (340:AMBT1) 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) 48 +17 60 +4.2 51
6.3 +0.50 6.8 -0.30 6.5
0.21 -2.8 0.18 -4.8 0.19
pp/ppbar → bb 7.0 +0.46 5.5 +1.1 8.2
2.3 -0.90 1.4 +1.3 2.7
0.053 -0.0074 0.046 -0.032 0.054
pp/ppbar → Elastic 42 0 40 +2.0 42
40 -1.0 39 +1.0 40
39 -2.0 39 0 39
pp/ppbar → Jets 78 +9.1 86 +8.3 51
2.7 0 2.7 -0.70 2.0
0.00037 -6.1 0.015 -31 0.0027
pp/ppbar → Soft QCD (inelastic) 130 +6.9 130 +22 140
8.8 +0.20 9.0 -0.30 8.7
0.050 -13 0.013 -8.5 0.0060
pp/ppbar → Soft QCD (nsd only) 210
28
0.14
pp/ppbar → Total σ 2.8 +0.012 2.8 -0.0044 2.8
2.8 0 2.8 0 2.8
2.8 +0.012 2.8 -0.0044 2.8
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 46 +10 51 +9.4 50
3.5 +0.10 3.6 0 3.6
0.014 -7.1 0.019 -16 0.012
pp/ppbar → Underlying Event 16 +2.1 15 +0.060 14
2.7 0 2.7 -1.1 1.6
0.043 -2.0 0.040 -4.6 0.041
pp/ppbar → W+Jet 81
35
7.4
pp/ppbar → Z+Jet 140 +3.6 47 +8.2 19
4.8 -1.2 3.6 -0.70 2.9
0.060 -7.9 0.18 -9.9 0.15
pp/ppbar → Z (Drell-Yan) 20 +14 29 +5.6 24
5.0 +6.0 11 -3.0 8.0
0.42 -1.9 0.68 -5.7 0.56

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 9119 histograms.