Generator / tune

Pythia 6 (354:noCR) 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) 55 +2.7 55 +2.0 220
1.8 0 1.8 +0.70 2.5
0.000029 -1.1 0.00094 -1.9 0.000076
pp/ppbar → bb 29 +2.0 29 +4.2 150
9.1 -0.100 9.0 +8.0 17
0.28 -1.6 0.29 -0.88 0.28
pp/ppbar → Elastic 20 +0.29 21 +2.3 23
18 0 18 +1.0 19
15 0 15 +0.0100 15
pp/ppbar → Jets 290 +72 320 +220 380
77 -2.0 75 +85 160
0.00068 -70 0.00097 -6.0 0.00028
pp/ppbar → Soft QCD (inelastic) 170 +14 120 +150 270
7.0 +0.60 7.6 +2.4 10
0.00022 -45 0.000081 -4.4 0.00025
pp/ppbar → Soft QCD (nsd only) 29 +0.71 29 +13 35
5.9 -0.10 5.8 +1.5 7.3
0.24 -3.6 0.21 -0.16 0.27
pp/ppbar → Total σ 2.0 -0.0050 2.0 -0.00072 2.0
2.0 0 2.0 0 2.0
2.0 -0.0050 2.0 -0.00072 2.0
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 20 +1.3 140 +59 170
3.0 +5.1 8.1 +2.9 11
0.016 -2.6 0.0035 -2.4 0.0085
pp/ppbar → Underlying Event 39 +1.7 14 +6.4 45
4.3 -0.40 3.9 +0.90 4.8
0.34 -3.1 0.34 -11 0.16
pp/ppbar → W+Jet 5.9 +0.62 4.9 +4.6 9.6
3.2 +0.20 3.4 -0.40 3.0
1.7 -0.98 2.0 -2.0 0.44
pp/ppbar → Z+Jet 330 +66 330 +220 390
100 -6.0 94 +76 170
0.33 -65 0.31 -7.6 0.29
pp/ppbar → Z (Drell-Yan) 51 +1.8 43 +11 55
21 -3.0 18 +7.0 25
0.44 -5.4 0.59 -1.5 0.31

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 10925 histograms.