Generator

pythia8 8.240 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) 58
2.9
0.0064
PbPb → Heavy Ion : minbias
pp/ppbar → 4-lepton
pp/ppbar → bb 7.3 +0.32 9.7 +0.63 10
3.9 +1.1 5.0 +0.80 5.8
1.8 +0.012 1.8 -0.049 1.7
pp/ppbar → Elastic 35 +1.3 37 0 35
34 +1.0 35 -1.0 34
34 0 34 -1.4 34
pp/ppbar → Heavy Ion : minbias
pp/ppbar → Jets 63 +8.2 27 +6.0 37
2.2 -0.20 2.0 +0.10 2.1
0.00064 -4.9 0.00044 -6.1 0.00038
pp/ppbar → Soft QCD (inelastic) 140 +10 140 +33 170
9.2 -1.3 7.9 +0.80 8.7
0.017 -36 0.0083 -12 0.011
pp/ppbar → Soft QCD (nsd only)
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) 4.2
1.8
0.065
pp/ppbar → Top (all)
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 91 +10 83 +10 81
6.4 +0.40 6.8 -0.90 5.9
0.0021 -13 0.00012 -20 0.0042
pp/ppbar → Underlying Event 18 +0.28 15 +1.9 17
2.2 -0.50 1.7 +0.30 2.0
0.100 -2.7 0.13 -0.28 0.16
pp/ppbar → W+Jet 72
39
6.4
pp/ppbar → W 25 +0.090 19 +4.9 24
7.5 -1.8 5.7 +0.30 6.0
1.4 -5.1 1.5 -2.9 1.5
pp/ppbar → WW 35 +0.43 34 +6.1 36
19 -1.0 18 +1.0 19
0.62 -3.3 0.49 -0.73 0.52
pp/ppbar → Z+Jet 96 +18 290 +23 97
3.1 +1.1 4.2 -0.60 3.6
0.027 -31 0.19 -20 0.017
pp/ppbar → Z (Drell-Yan) 14 +3.4 18 +5.0 16
5.1 +2.6 7.7 -2.0 5.7
0.55 -2.7 0.50 -1.4 0.47
ppPbPb → Heavy Ion : minbias 4.2
1.6
0.40

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 8982 histograms.