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> could you please explain why 60% is what we expect? I guess that your > plot shows the reconstructed electron yield, is that right? It cannot > be the generated spectrum since that would extend further down towards > low momentum. It cannot be a mixture between e and mu since then we'd > see changes in the transition region where the mu identification eff > goes to zero. reconstructed momentum for electrons + muons. Since the beginning we discussed about this 50% (with the cut at 1 GeV) in lepton selection efficiency... I expected 50% since it is 50% on data. I will try to do the breakdown e and mu. > > >From acceptance (geometric and momentum) I would expect to see about > ~80% of the spectrum. This is at least what I saw in the breco tagged > sl BF analysis of last summer and is consistent with what Thorsten has > in the lepton tagged analysis. > what are they getting in the "revenge" of your analysis (Valery ecc...) for this efficiency? Daniele