Generator

pythia8 8.244 tunes validation

Tunes:

2>
incl. 5% "theory uncertainty" on all points
max worst max worst max
default <Δ> default-CD <Δ> default-DL
min best min best min
ee → ee : γ*/Z (hadronic) 57
2.7
0.000035
PbPb → Heavy Ion : minbias
pp/ppbar → 4-lepton 120 +0.54 120
23 0 23
2.5 -0.52 2.7
pp/ppbar → bb 7.4 -0.018 9.7 +0.74 8.6
3.9 +0.90 4.8 -0.100 4.7
1.8 -0.52 1.7 -1.1 1.7
pp/ppbar → Elastic 36 +1.5 37 0 36
35 0 35 0 35
34 0 34 -1.3 34
pp/ppbar → Heavy Ion : minbias
pp/ppbar → Jets 20 +7.7 31 +4.1 22
1.5 +0.30 1.8 -0.10 1.7
0.00048 -13 0.00048 -8.4 0.00019
pp/ppbar → Soft QCD (inelastic) 160 +8.3 140 +8.3 140
8.3 +0.100 8.4 -0.100 8.3
0.034 -44 0.027 -10 0.025
pp/ppbar → Soft QCD (nsd only) 39 58
9.4 +1.6 11
0.39 0.15
pp/ppbar → Total σ 2.7 0 2.7 0 2.7
2.7 0 2.7 0 2.7
2.7 0 2.7 0 2.7
pp/ppbar → Top (t-channel) 4.5
1.7
0.18
pp/ppbar → Top (all)
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 86 +9.2 85 +15 85
6.6 -0.30 6.3 +0.30 6.6
0.012 -15 0.0052 -13 0.0023
pp/ppbar → Underlying Event 17 +13 19 +0.40 4.3
2.3 -0.100 2.2 -0.80 1.4
0.18 -0.16 0.11 -12 0.095
pp/ppbar → W+Jet 23
15
2.6
pp/ppbar → W 32 +2.3 24
7.9 -1.5 6.4
1.6 -8.8 1.2
pp/ppbar → WW 32 +7.4 36 +2.5 37
18 +1.0 19 0 19
0.52 -0.75 0.36 -0.96 0.35
pp/ppbar → Z+Jet 82 +6.8 62 +22 79
3.2 -0.50 2.7 +0.40 3.1
0.0081 -44 0.081 -3.3 0.073
pp/ppbar → Z (Drell-Yan) 26 +5.7 19 +1.9 49
12 -4.1 7.9 -3.4 4.5
0.53 -0.72 0.70 -9.1 0.32

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 9161 histograms.