Generator / tune

Pythia 6 (100:A) 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) 50 +2.3 43 +5.9 49
4.0 -0.10 3.9 +0.30 4.2
0.0034 -9.5 0.00053 -10 0.0047
pp/ppbar → bb 3,500 +1.9 3,300 -0.0041 7.5
860 +40 900 -900 2.6
0.72 -180 0.70 -0.22 0.69
pp/ppbar → Elastic 40 0 39 +1.6 41
39 0 39 +1.0 40
39 -0.37 39 0 39
pp/ppbar → Jets 34 +5.6 33 +5.7 27
2.0 0 2.0 -0.10 1.9
0.00086 -15 0.0020 -7.9 0.0024
pp/ppbar → Soft QCD (inelastic) 360 +37 350 +14 360
21 -1.0 20 +1.0 21
0.041 -6.4 0.037 -33 0.054
pp/ppbar → Soft QCD (nsd only) 16 310
7.8 +65 73
2.3 1.8
pp/ppbar → Total σ 2.8 -0.012 2.8 -0.0075 2.8
2.8 0 2.8 0 2.8
2.8 -0.012 2.8 -0.0075 2.8
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 690 +37 660 +45 640
26 +1.0 27 -1.0 26
0.022 -40 0.015 -40 0.011
pp/ppbar → Underlying Event 66 +8.3 11 +2.2 12
6.5 -2.8 3.7 -0.20 3.5
0.16 -3.4 0.33 -8.7 0.34
pp/ppbar → W+Jet 18
18
18
pp/ppbar → Z+Jet 86 +6.0 92 +6.9 91
3.4 -0.10 3.3 -0.40 2.9
0.051 -6.4 0.12 -12 0.088
pp/ppbar → Z (Drell-Yan) 130 +58 140 +3.6 64
32 -7.0 25 -6.0 19
8.8 -47 2.4 -75 9.5

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 9037 histograms.