Generator

pythia8 8.245 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
2.6
0.0064
pp/ppbar → 4-lepton 120
23
2.7
pp/ppbar → bb 10 +0.37 7.6 -0.013 11
4.9 -0.90 4.0 +1.1 5.1
1.7 +0.014 1.7 -0.30 1.7
pp/ppbar → Elastic 36 0 36 +0.66 37
35 0 35 0 35
34 -0.32 34 0 34
pp/ppbar → Jets 27 +7.0 27 +8.4 34
1.7 +0.10 1.8 0 1.8
0.00081 -17 0.00036 -7.2 0.00023
pp/ppbar → Soft QCD (inelastic) 110 +40 150 +9.6 160
7.8 +0.40 8.2 -0.20 8.0
0.022 -10 0.0072 -29 0.026
pp/ppbar → Soft QCD (nsd only) 15 42
7.1 +2.9 10
3.1 0.26
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) 97 +8.2 77 +17 93
6.9 -0.40 6.5 -0.100 6.4
0.0050 -21 0.00012 -11 0.0025
pp/ppbar → Underlying Event 20 +4.3 14 +1.9 16
2.0 +0.70 2.7 -0.70 2.0
0.13 -5.2 0.088 -6.8 0.13
pp/ppbar → W+Jet 39 23
15 11
4.0 4.8
pp/ppbar → W 9.8 +0.34 18 +9.1 27
3.2 +2.6 5.8 +0.90 6.7
1.1 -2.9 1.3 -5.0 1.2
pp/ppbar → WW 34 +1.9 35 +3.7 36
18 +1.0 19 0 19
0.45 -1.1 0.39 -0.88 0.61
pp/ppbar → Z+Jet 48 +18 49 +3.7 150
2.6 +0.50 3.1 +0.70 3.8
0.030 -8.3 0.091 -6.9 0.032
pp/ppbar → Z (Drell-Yan) 19 +8.1 33 +4.1 43
6.5 +0.100 6.6 -2.1 4.5
0.50 -1.3 0.34 -14 0.45

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 9122 histograms.