Generator

pythia8 8.306 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) 56
2.6
0.0012
PbPb → Heavy Ion : minbias 230,000
11,000
3.3
pp/ppbar → 4-lepton 120 +0.42 120 +0.20 120
23 0 23 0 23
2.6 -0.25 2.7 -0.27 2.7
pp/ppbar → bb 10,000 +410 11,000 +5.3 4,200
2,100 0 2,300 -1,400 910
1.8 -5.1 1.7 -6,300 1.7
pp/ppbar → Elastic 37 +0.018 37 0 35
35 0 35 -1.0 34
34 0 34 -1.9 34
pp/ppbar → Heavy Ion : minbias 1.7
1.3
0.89
pp/ppbar → Jets 1,800 +82,000 82,000 +7,100 7,100
4.6 +51 56 -45 11
0.00035 -1,800 0.00016 -82,000 0.00016
pp/ppbar → Soft QCD (inelastic) 620 +24 550 +25 500
14 -1.0 13 0 13
0.015 -74 0.014 -50 0.021
pp/ppbar → Soft QCD (nsd only) 310 +19 280 +53 330
23 0 23 +1.0 24
0.063 -36 0.090 -14 0.093
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) 4.6 +0.16 4.4 +0.27 4.4
1.7 -0.100 1.6 0 1.6
0.11 -0.28 0.11 -0.26 0.12
pp/ppbar → Top (all) 1.00 0.53 1.4
1.00 -0.47 0.53 +0.87 1.4
1.00 0.53 1.4
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 84 +13 86 +18 88
6.7 0 6.7 +0.40 7.1
0.0065 -15 0.0082 -15 0.0064
pp/ppbar → Underlying Event 25 +3.0 17 +3.2 18
1.8 0 1.8 -0.20 1.6
0.077 -2.0 0.060 -0.65 0.075
pp/ppbar → W+Jet 77 +18 92 +17 110
24 +1.0 25 +8.0 33
4.6 -5.0 3.4 -23 3.3
pp/ppbar → W 22 +9.2 31 +4.4 19
5.4 +0.80 6.2 -0.50 5.7
0.18 -6.6 0.81 -11 0.43
pp/ppbar → WW 33 +4.3 35 +2.8 34
18 +1.0 19 0 19
0.41 -2.7 0.60 -3.8 0.52
pp/ppbar → Z+Jet 360 +230 370 +43 390
7.9 +1.3 9.2 -0.70 8.5
0.16 -29 0.071 -250 0.11
pp/ppbar → Z (Drell-Yan) 230,000,000 +36,000,000 180,000,000 +73,000,000 250,000,000
2,300,000 -1,400,000 920,000 370,000 1,300,000
0.28 -51,000,000 0.29 -12 0.11
ppPbPb → Heavy Ion : minbias 4.1
1.7
0.46

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 12407 histograms.