Generator

pythia8 8.301 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) 55
2.3
0.00070
PbPb → Heavy Ion : minbias
pp/ppbar → 4-lepton 120 +0.43 120
23 0 23
2.7 -0.46 2.5
pp/ppbar → bb 12,000 +0.050 9,400 +1,900 11,000
2,500 0 2,100 0 2,300
1.8 -2,500 1.8 -1.3 1.7
pp/ppbar → Elastic 34 +1.0 35 +0.47 36
34 +1.0 35 0 35
34 0 34 0 34
pp/ppbar → Heavy Ion : minbias 1.6
1.1
0.73
pp/ppbar → Jets 27 +10 490 +190 200
1.8 +1.5 3.3 -0.60 2.7
0.00039 -4.4 0.000084 -480 0.00035
pp/ppbar → Soft QCD (inelastic) 150 +7.2 400 +35 440
9.6 +2.4 12 +1.0 13
0.021 -22 0.024 -5.6 0.021
pp/ppbar → Soft QCD (nsd only) 320 +1.3 300 +4.6 220
22 +2.0 24 -6.0 18
0.11 -21 0.13 -96 0.099
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) 4.4 +0.42 4.6 +0.36 4.2
1.6 +0.100 1.7 0 1.7
0.12 -0.13 0.11 -0.41 0.12
pp/ppbar → Top (all)
pp/ppbar → Top (parton level)
pp/ppbar → Top (tt) 85 +21 90 +8.7 87
6.6 +0.20 6.8 -0.50 6.3
0.0012 -18 0.0081 -22 0.0057
pp/ppbar → Underlying Event 34 +5.9 26 +3.5 29
2.0 -0.10 1.9 +0.10 2.0
0.087 -8.3 0.090 -5.9 0.076
pp/ppbar → W+Jet 130 +3.2 120 +8.9 69
38 -3.0 35 -9.0 26
4.3 -28 5.2 -1.3 5.5
pp/ppbar → W 44 +14 58 +9.6 18
6.6 +0.40 7.0 -2.1 4.9
0.41 -8.2 0.13 -40 0.070
pp/ppbar → WW 35 +2.4 35 +0.44 34
19 0 19 -1.0 18
0.45 -0.77 0.67 -3.9 0.60
pp/ppbar → Z+Jet 320 +61 380 +45 360
8.7 -0.100 8.6 -0.70 7.9
0.064 -58 0.014 -100 0.055
pp/ppbar → Z (Drell-Yan) 260,000,000 +7.2 160,000,000 +1,600,000 150,000,000
1,100,000 -410,000 710,000 -24,000 680,000
0.17 -110,000,000 0.094 -2,400,000 0.32
ppPbPb → Heavy Ion : minbias 3.6
1.4
0.35

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 12160 histograms.