Generator

pythia8 8.243 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) 59
2.7
0.0071
PbPb → Heavy Ion : minbias
pp/ppbar → 4-lepton 120
22
3.1
pp/ppbar → bb 12 +0.065 8.7 +0.65 8.0
5.3 -0.60 4.7 -0.70 4.0
1.7 -3.1 1.8 -0.027 1.7
pp/ppbar → Elastic 37 0 35 +2.2 37
35 -1.0 34 +1.0 35
34 -1.5 34 0 34
pp/ppbar → Heavy Ion : minbias
pp/ppbar → Jets 420 +5.9 29 +4.9 24
2.4 -0.70 1.7 0 1.7
0.00024 -7.9 0.00030 -5.1 0.00035
pp/ppbar → Soft QCD (inelastic) 160 +5.8 140 +15 380
8.2 0 8.2 +3.8 12
0.026 -16 0.029 -5.9 0.017
pp/ppbar → Soft QCD (nsd only) 78
12
0.12
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) 4.3
1.7
0.12
pp/ppbar → Top (all)
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 90 +14 90 +17 90
6.9 -0.30 6.6 +0.50 7.1
0.0048 -15 0.0027 -14 0.0012
pp/ppbar → Underlying Event 18 +1.3 17 +1.7 18
2.5 -0.50 2.0 +0.10 2.1
0.097 -17 0.12 -1.5 0.11
pp/ppbar → W+Jet 7.1 41
7.1 +4.9 12
7.1 2.8
pp/ppbar → W 19 +6.3 26 +3.9 25
5.2 +1.2 6.4 -2.6 3.8
1.3 -0.17 1.4 -3.3 0.18
pp/ppbar → WW 36 +0.72 36 +2.1 35
20 -1.0 19 0 19
0.47 -2.9 0.38 -1.4 0.40
pp/ppbar → Z+Jet 280 +7.0 290 +14 93
3.9 +0.80 4.7 -1.6 3.1
0.086 -67 0.028 -5.6 0.027
pp/ppbar → Z (Drell-Yan) 19 +2.1 180,000,000 +30 41
8.1 17,000,000 17,000,000 -17,000,000 12
0.59 -6.3 0.50 -1.2 0.61

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 9071 histograms.