Generator

pythia6 6.426 tunes validation

Tunes:

2>
incl. 5% "theory uncertainty" on all points
max worst max worst max
default <Δ> 350 <Δ> 357
min best min best min
ee → ee : γ*/Z (hadronic) 51 +21 52 +4.7 55
4.2 -0.90 3.3 +0.10 3.4
0.000058 -32 0.0088 -14 0.0064
pp/ppbar → bb 5,400 +0.051 8.2 -0.014 8.2
1,400 -1,400 2.5 -0.10 2.4
0.75 -0.74 0.34 -0.040 0.33
pp/ppbar → Elastic 42 42
40 40
39 39
pp/ppbar → Jets 31 +7.2 25 +11 28
2.1 -0.40 1.7 +0.10 1.8
0.00052 -15 0.00079 -6.0 0.00013
pp/ppbar → Soft QCD (inelastic) 320 +77 250 +400 420
20 -8.0 12 +12 24
0.028 -190 0.059 -66 0.055
pp/ppbar → Soft QCD (nsd only)
pp/ppbar → Total σ 2.8 -0.0026 2.8 +0.0082 2.8
2.8 0 2.8 0 2.8
2.8 -0.0026 2.8 +0.0082 2.8
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 630 +17 270 +16 250
27 -14 13 0 13
0.011 -390 0.0040 -26 0.0057
pp/ppbar → Underlying Event 61 +3.4 13 +1.5 13
7.7 -6.0 1.7 +0.20 1.9
0.48 -48 0.074 -2.4 0.029
pp/ppbar → W+Jet 37 78
37 +7.0 44
37 19
pp/ppbar → Z+Jet 91 +8.3 120 +4.0 63
3.1 -0.30 2.8 -0.60 2.2
0.033 -28 0.13 -4.7 0.097
pp/ppbar → Z (Drell-Yan) 78 +1.3 100 +0.51 13
22 -4.0 18 -14 4.0
8.2 -65 0.33 -2.8 0.62

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 9039 histograms.