Generator / tune

Details for Pythia 6 (352:radLo) v.6.426 vs. v.6.427

pp/ppbar → Z (Drell-Yan)

Observable Cut Energy χ2+5% (6.426) Δ χ2+5% (6.427)
Jet multiplicity CMS (electron channel) 7000 n/a* - 2.3
CMS (muon channel) 7000 n/a* - 2.5
Ratios of jet multiplicity CMS (electron channel) 7000 n/a* - 1.3
CMS (muon channel) 7000 n/a* - 1.4
dσ(Z)/dpTZ CDF 66 < mee < 116 1800 12 0 12
D0 (muon channel) 1960 8.4 0 8.4
1/σdσ(Z)/dpTZ ATLAS (electron channel, bare) 7000 1.7 0 1.7
ATLAS (electron channel, dressed) 7000 1.8 0 1.8
ATLAS (muon channel, bare) 7000 1.4 0 1.4
ATLAS (muon channel, dressed) 7000 1.4 0 1.4
D0 (muon channel) 1960 1.1 0 1.1
1/σdσ(Z)/dφ*η D0 (electron channel) |yZ| < 1 1960 1.2 +0.20 1.4
D0 (electron channel) 1 < |yZ| < 2 1960 1.9 -0.30 1.6
D0 (electron channel) |yZ| > 2 1960 n/a* - 1.1
D0 (muon channel) |yZ| < 1 1960 1.4 0 1.4
D0 (muon channel) 1 < |yZ| < 2 1960 1.7 0 1.7

* not applicable: because number of bins of data histogram is different than number of bins of theory histogram

The page data is based on 32 histograms.