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Hi ric, do you want to commit and tag the change in VubAnalysis or you prefer me to do it? Alessio ______________________________________________________ Alessio Sarti Universita' & I.N.F.N. Ferrara tel +39-0532-974328 Ferrara roma +39-06-49914338 SLAC +001-650-926-2972 "... e a un Dio 'fatti il culo' non credere mai..." (F. De Andre') "He was turning over in his mind an intresting new concept in Thau-dimensional physics which unified time, space, magnetism, gravity and, for some reason, broccoli". (T. Pratchett: "Pyramids") On Thu, 13 Feb 2003, Riccardo Faccini wrote: > > Riccardo is verifying that the total BR corresponds to 10.4% looking at > > MC truth at generator level. > > > I run at simuboot level over 110K generic Bch and 110K generic B0 with no > selection whatever and I counted the number of events with a semileptonic B at generator > level. > > I counted 10.56+/-0.04 % , consistent between electrons and muons, B0 and > Bch. > > In order to get the Br(b->clnu) one needs to divide by 1.0123 in order to > subtract the Vub component and therefore > > Br(b->clnu) in generic =(10.43 +/- 0.04)% > > Ric >