Generator / tune

Pythia 6 (378:M8LO) versions validation

Versions:

2>
incl. 5% "theory uncertainty" on all points
max worst max
6.427 <Δ> 6.428
min best min
ee → γ*/Z (hadronic) 220 +0.54 220
2.3 0 2.3
0.0010 -0.20 0.00023
pp/ppbar → bb 150 +19 170
24 +2.0 26
0.026 -0.017 0.028
pp/ppbar → Elastic 23 +0.043 23
19 0 19
15 +0.00020 15
pp/ppbar → Jets 530 +25 560
7.5 +0.70 8.2
0.00047 -10 0.00043
pp/ppbar → Soft QCD (inelastic) 260 +16 270
8.4 +0.20 8.6
0.00025 -4.4 0.00025
pp/ppbar → Soft QCD (nsd only) 13 +0.94 13
2.3 0 2.3
0.015 -1.2 0.013
pp/ppbar → Total σ 2.0 +0.00037 2.0
2.0 0 2.0
2.0 +0.00037 2.0
pp/ppbar → tt 2.6 +0.17 2.8
0.53 +0.020 0.55
0.0059 -0.0017 0.0094
pp/ppbar → Underlying Event 690 +4.9 690
25 +1.0 26
0.023 -1.0 0.023
pp/ppbar → W+Jet 5.5 +3.2 9.0
3.6 +0.10 3.7
1.3 -2.4 0.71
pp/ppbar → W 20 +3.1 23
5.2 +0.70 5.9
1.6 -0.00060 1.6
pp/ppbar → Z+Jet 19 +5.2 21
4.9 -0.20 4.7
1.5 -2.5 0.70
pp/ppbar → Z (Drell-Yan) 13 +0.62 13
2.0 0 2.0
0.15 -0.69 0.17

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 2622 histograms.