Generator / tune

Pythia 6 (109:D6T) 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 +8.8 220 +3.7 49
4.0 +0.80 4.8 -0.70 4.1
0.0061 -3.7 0.0045 -9.2 0.0021
pp/ppbar → bb 9.6 +0.66 6.9 -0.0049 6.6
4.2 -1.0 3.2 0 3.2
1.2 -0.033 1.2 -0.32 1.2
pp/ppbar → Elastic 41 0 40 +0.69 41
40 -1.0 39 +1.0 40
39 -1.6 39 0 39
pp/ppbar → Jets 39 +23 2,000 +6.7 43
1.7 +4.1 5.8 -4.0 1.8
0.0034 -10 0.0011 -15 0.0017
pp/ppbar → Soft QCD (inelastic) 240 +49 260 +150 380
16 +3.0 19 -2.0 17
0.10 -43 0.047 -19 0.057
pp/ppbar → Soft QCD (nsd only)
pp/ppbar → Total σ 2.8 -0.011 2.8 +0.0086 2.8
2.8 0 2.8 0 2.8
2.8 -0.011 2.8 +0.0086 2.8
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 450 +36 480 +29 490
22 0 22 0 22
0.0084 -9.6 0.0066 -44 0.031
pp/ppbar → Underlying Event 20 +1.8 39 +0.99 49
3.8 +1.7 5.5 +2.0 7.5
0.26 -2.2 0.53 -2.3 0.34
pp/ppbar → W+Jet 60
38
25
pp/ppbar → Z+Jet 100 +6.1 150 +5.7 100
3.0 +1.2 4.2 -1.7 2.5
0.074 -14 0.083 -7.1 0.10
pp/ppbar → Z (Drell-Yan) 35 +10 37 +18 48
10 +1.0 11 0 11
1.3 -4.8 1.6 -14 1.5

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 8993 histograms.