Generator

pythia8 8.201 tunes validation

Tunes:

2>
incl. 5% "theory uncertainty" on all points
max worst max worst max
default <Δ> default-CD <Δ> default-noCR
min best min best min
ee → ee : γ*/Z (hadronic) 58
2.8
0.0040
pp/ppbar → 4-lepton 120
23
2.7
pp/ppbar → bb 7.1 +0.48 7.6 +1.4 4,800
3.8 +0.60 4.4 1,200 1,200
1.7 -0.012 1.7 -0.19 1.6
pp/ppbar → Elastic 42 0 41 0 40
41 -1.0 40 -1.0 39
39 -1.4 39 -0.86 39
pp/ppbar → Jets 160 +6.8 28 +13 27
2.5 -0.60 1.9 +0.10 2.0
0.00047 -10 0.00035 -5.0 0.00032
pp/ppbar → Soft QCD (inelastic) 580 +68 170 +600 600
13 -4.7 8.3 +7.7 16
0.014 -16 0.025 -27 0.0095
pp/ppbar → Soft QCD (nsd only) 230 110
31 +8.0 39
0.16 6.0
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)
pp/ppbar → Top (all)
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 160 +14 130 +39 130
9.4 0 9.4 +0.20 9.6
0.032 -26 0.0073 -15 0.037
pp/ppbar → Underlying Event 15 +4.0 17 +13 32
1.6 +0.30 1.9 +5.1 7.0
0.16 -0.50 0.14 -4.7 0.23
pp/ppbar → W+Jet 71
22
4.7
pp/ppbar → W 23 +3.3 26 +3.0 9.5
6.6 -0.40 6.2 -2.7 3.5
1.0 -3.4 1.7 -1.0 1.1
pp/ppbar → WW 34 +3.4 37 +1.8 33
19 0 19 -1.0 18
0.42 -0.73 0.38 -3.7 0.35
pp/ppbar → Z+Jet 84 +12 150 +110 150
3.2 +1.0 4.2 +0.40 4.6
0.039 -58 0.038 -54 0.035
pp/ppbar → Z (Drell-Yan) 15 +1.9 39 +1.5 12
6.7 +7.3 14 -10 4.0
0.58 -3.6 0.54 -0.76 0.25

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 9293 histograms.