Generator / tune

Pythia 6 (359:TeV) 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) 52 +2.5 81 +8.0 53
3.5 +0.30 3.8 -0.50 3.3
0.010 -8.0 0.0089 -14 0.0057
pp/ppbar → bb 8.0 +0.63 12 +0.042 8.2
2.6 +1.3 3.9 -1.5 2.4
0.37 -0.10 0.31 -0.39 0.33
pp/ppbar → Elastic 42 0 42 0 40
40 0 40 -1.0 39
39 -0.27 39 -1.8 39
pp/ppbar → Jets 72 +8.3 53 +5.3 23
1.9 0 1.9 -0.30 1.6
0.0025 -5.8 0.0013 -14 0.00030
pp/ppbar → Soft QCD (inelastic) 560 +26 530 +45 570
16 -1.0 15 0 15
0.054 -34 0.054 -22 0.038
pp/ppbar → Soft QCD (nsd only) 16 +0.27 16
6.3 0 6.3
2.6 -0.26 2.5
pp/ppbar → Total σ 2.8 +0.014 2.8 -0.017 2.8
2.8 0 2.8 0 2.8
2.8 +0.014 2.8 -0.017 2.8
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 240 +21 260 +22 250
13 +1.0 14 -1.0 13
0.0080 -9.4 0.0065 -30 0.00020
pp/ppbar → Underlying Event 24 +4.0 100 +12 20
3.2 +2.4 5.6 -2.8 2.8
0.12 -16 0.13 -4.7 0.12
pp/ppbar → W+Jet 11
11
11
pp/ppbar → Z+Jet 59 +8.3 200 +21 88
3.0 +1.8 4.8 -2.6 2.2
0.074 -3.7 0.051 -7.5 0.060
pp/ppbar → Z (Drell-Yan) 34 +31 65 +0.043 21
6.3 +9.7 16 -11 5.4
0.72 -0.45 0.72 -44 0.61

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 9185 histograms.