Generator

pythia6 6.425 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) 52 +21 52 +3.1 53
3.7 -0.40 3.3 0 3.3
0.0032 -21 0.010 -12 0.0054
pp/ppbar → bb 8.7 -0.18 11,000 +3,500 14,000
2.9 2,900 2,900 +1.0 3,400
0.75 -0.92 0.32 -0.94 0.32
pp/ppbar → Elastic 42 0 40 +0.98 41
40 0 40 0 40
39 -1.8 39 0 39
pp/ppbar → Jets 27 +7.1 25 +8.8 29
1.9 -0.20 1.7 +0.10 1.8
0.0020 -18 0.00062 -8.1 0.00097
pp/ppbar → Soft QCD (inelastic) 300 +30 250 +390 400
19 -7.0 12 +10 22
0.030 -260 0.018 -47 0.089
pp/ppbar → Soft QCD (nsd only) 480
66
1.6
pp/ppbar → Total σ 2.8 -0.0028 2.8 -0.0088 2.8
2.8 0 2.8 0 2.8
2.8 -0.0028 2.8 -0.0088 2.8
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 710 +34 260 +33 280
26 -12 14 0 14
0.0025 -460 0.0023 -17 0.0044
pp/ppbar → Underlying Event 60 +1.1 3.8 +2.3 71
9.6 -8.4 1.2 +3.9 5.1
0.49 -12 0.036 -2.4 0.041
pp/ppbar → W+Jet 17 48
12 21
8.4 6.4
pp/ppbar → Z+Jet 96 +21 210 +2.7 120
3.8 +0.50 4.3 -1.0 3.3
0.063 -34 0.029 -35 0.019
pp/ppbar → Z (Drell-Yan) 140 +2.7 53 +3.9 77
33 -19 14 -2.0 12
7.8 -83 0.61 -2.0 0.23

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 9323 histograms.