Generator / tune

Pythia 8 (CUETS1) versions validation

Versions:

2>
incl. 5% "theory uncertainty" on all points
max worst max worst max
8.306 <Δ> 8.307 <Δ> 8.308
min best min best min
pp/ppbar → 4-lepton 120 +0.72 120 +0.85 120
22 0 22 +1.0 23
5.9 -0.39 6.1 -0.27 6.2
pp/ppbar → bb 10 +2.8 28 +6.4 84
4.1 +3.4 7.5 +4.5 12
0.23 -4.0 0.23 -0.045 0.23
pp/ppbar → Elastic 17 +1.8 19 +2.2 21
15 +1.0 16 +1.0 17
14 +0.011 14 +0.0090 14
pp/ppbar → Jets 320 +70 300 +220 390
84 +1.0 85 +85 170
0.00038 -66 0.0010 -4.0 0.00025
pp/ppbar → Soft QCD (inelastic) 80 +40 120 +90 210
4.5 +0.80 5.3 +1.3 6.6
0.0035 -3.5 0.0035 -2.1 0.0035
pp/ppbar → Soft QCD (nsd only) 16 +2.1 15 +1.3 16
2.9 0 2.9 +0.20 3.1
0.026 -1.2 0.025 -0.41 0.036
pp/ppbar → Total σ 2.0 -0.0029 2.0 +0.0052 2.0
2.0 0 2.0 0 2.0
2.0 -0.0029 2.0 +0.0052 2.0
pp/ppbar → Top (t-channel) 2.1 +0.36 2.5 +0.39 2.6
0.75 +0.010 0.76 +0.080 0.84
0.044 -0.30 0.0100 -0.11 0.027
pp/ppbar → Top (all) 2.0
? ? 1.4
0.70
pp/ppbar → Top (parton level)
? ? ?
pp/ppbar → Top (tt) 54 +13 55 +59 100
4.5 +0.70 5.2 +2.0 7.2
0.0016 -5.8 0.034 -9.4 0.0039
pp/ppbar → Underlying Event 20 +2.2 8.8 +4.7 24
1.5 -0.10 1.4 +0.60 2.0
0.14 -1.3 0.12 -3.0 0.051
pp/ppbar → W+Jet 4.9 -0.052 5.6 +1.3 6.9
3.1 -0.10 3.0 +0.70 3.7
2.0 -0.78 1.8 -0.053 1.7
pp/ppbar → W 17 +6.0 23 +6.4 29
4.4 +0.70 5.1 +0.70 5.8
0.87 -2.1 1.3 -1.9 1.3
pp/ppbar → WW 51 +2.4 53 +2.8 53
19 0 19 +1.0 20
0.065 -2.3 0.12 -0.40 0.096
pp/ppbar → Z+Jet 330 +62 330 +230 390
98 -5.0 93 +67 160
0.26 -61 0.46 -2.0 0.31
pp/ppbar → Z (Drell-Yan) 33 +15 34 +43 57
9.2 +0.80 10 -1.1 8.9
0.38 -8.7 0.37 -1.5 0.15

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 11403 histograms.