Generator / tune

Pythia 8 (AU2CT10) versions validation

Versions:

<χ2>
incl. 5% "theory uncertainty" on all points		 max worst max worst max
8.306 <Δ> 8.307 <Δ> 8.308
min best min best min
pp/ppbar → 4-lepton 120 120
20 ? 20
2.5 2.8
pp/ppbar → bb 28 +2.2 27 +4.3 120
8.5 +0.70 9.2 +5.8 15
1.8 -1.9 1.7 -0.035 2.2
pp/ppbar → Elastic 17 +1.8 19 +2.0 21
15 +1.0 16 +1.0 17
14 +0.011 14 +0.0089 14
pp/ppbar → Jets 280 +70 320 +220 380
84 +1.0 85 +85 170
0.00099 -70 0.00082 -16 0.0028
pp/ppbar → Soft QCD (inelastic) 120 +14 120 +89 210
4.6 +0.10 4.7 +1.2 5.9
0.0035 -4.7 0.0035 -2.8 0.0035
pp/ppbar → Soft QCD (nsd only) 14 +2.4 13 +2.2 16
2.4 +0.10 2.5 +0.10 2.6
0.041 -1.7 0.042 -0.30 0.055
pp/ppbar → Total σ 2.0 0 2.0 +0.0024 2.0
2.0 0 2.0 0 2.0
2.0 0 2.0 +0.0024 2.0
pp/ppbar → Top (t-channel) 2.6 +0.61 2.6 +0.22 2.6
0.66 +0.070 0.73 -0.040 0.69
0.060 -0.10 0.023 -0.41 0.068
pp/ppbar → Top (all) 1.1
? ? 0.70
0.44
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 38 +4.3 34 +45 75
3.1 -0.40 2.7 +1.6 4.3
0.0027 -13 0.0024 -4.4 0.0018
pp/ppbar → Underlying Event 16 +8.0 14 +4.1 20
1.4 +0.20 1.6 +0.20 1.8
0.085 -2.8 0.077 -7.9 0.066
pp/ppbar → W+Jet 8.8 +0.89 7.7 +1.4 10
2.8 -0.20 2.6 +0.80 3.4
1.3 -0.61 1.2 -0.094 0.44
pp/ppbar → W 18 +7.3 26 +2.2 19
3.7 +1.9 5.6 -0.50 5.1
0.68 -1.5 0.81 -7.2 0.62
pp/ppbar → WW 54 +2.1 52 +2.0 53
19 0 19 +1.0 20
0.15 -1.6 0.11 -0.23 0.096
pp/ppbar → Z+Jet 330 +64 290 +230 390
110 -10 100 +70 170
0.25 -65 0.20 -2.7 0.25
pp/ppbar → Z (Drell-Yan) 24 +19 26 +41 61
3.0 +0.70 3.7 +0.50 4.2
0.13 -3.4 0.19 -4.3 0.057

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 11462 histograms.