Generator / tune

Pythia 6 (350:P2011) 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 +4.1 53 +11 51
3.3 +0.10 3.4 +0.10 3.5
0.0088 -14 0.0032 -4.2 0.0070
pp/ppbar → bb 8.2 +0.034 8.0 -0.017 9.1
2.5 -0.20 2.3 +1.1 3.4
0.34 -0.21 0.31 -0.30 0.30
pp/ppbar → Elastic 41 +0.67 41
40 0 40
39 0 39
pp/ppbar → Jets 25 +6.7 26 +6.2 29
1.7 0 1.7 +0.10 1.8
0.00079 -5.1 0.0010 -10 0.0015
pp/ppbar → Soft QCD (inelastic) 250 +300 300 +32 270
12 +1.0 13 -1.0 12
0.059 -58 0.052 -300 0.065
pp/ppbar → Soft QCD (nsd only) 140
21
1.0
pp/ppbar → Total σ 2.8 +0.0044 2.8 -0.0028 2.8
2.8 0 2.8 0 2.8
2.8 +0.0044 2.8 -0.0028 2.8
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 270 +19 260 +16 270
13 0 13 0 13
0.0040 -22 0.00064 -13 0.0058
pp/ppbar → Underlying Event 13 +4.7 7.6 +1.5 4.5
1.7 -0.20 1.5 -0.10 1.4
0.074 -1.2 0.052 -5.3 0.057
pp/ppbar → W+Jet 37 +33 70
37 -9.0 28
37 +33 5.5
pp/ppbar → Z+Jet 120 +5.1 60 +23 83
2.8 0 2.8 -0.80 2.0
0.13 -3.2 0.057 -11 0.020
pp/ppbar → Z (Drell-Yan) 100 +14 110 +0.66 17
18 +2.0 20 -14 5.7
0.33 -1.6 0.74 -11 0.50

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 9032 histograms.