Generator / tune

Details for Pythia 6 (359:TeV) 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 0.78 +0.32 1.1
CMS (muon channel) 7000 0.87 +0.93 1.8
Ratios of jet multiplicity CMS (electron channel) 7000 1.0 +0.10 1.1
CMS (muon channel) 7000 0.36 +0.52 0.88
dσ(Z)/dpTZ CDF 66 < mee < 116 1800 12 0 12
D0 (muon channel) 1960 5.7 -0.20 5.5
1/σdσ(Z)/dpTZ ATLAS (electron channel, bare) 7000 0.70 +0.010 0.71
ATLAS (electron channel, dressed) 7000 0.74 -0.010 0.73
ATLAS (muon channel, bare) 7000 0.80 0 0.80
ATLAS (muon channel, dressed) 7000 0.98 0 0.98
D0 (muon channel) 1960 0.24 +0.060 0.30
1/σdσ(Z)/dφ*η D0 (electron channel) |yZ| < 1 1960 1.6 +0.100 1.7
D0 (electron channel) 1 < |yZ| < 2 1960 1.4 0 1.4
D0 (electron channel) |yZ| > 2 1960 1.3 -0.10 1.2
D0 (muon channel) |yZ| < 1 1960 0.86 +0.060 0.92
D0 (muon channel) 1 < |yZ| < 2 1960 0.47 +0.16 0.63

The page data is based on 32 histograms.