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Yes, of course.. I've choose the wrong example... Yust to say it again: if there's no D decay the weight for D events is 1..... sorry for the confusion, Alessio ______________________________________________________ Alessio Sarti Universita' & I.N.F.N. Ferrara tel +39-0532-781928 Ferrara roma +39-06-49914338 SLAC +001-650-926-2972 "Vorrei tanto sapere chi e' che va in giro a costruire quadrati sull'ipotenusa" On Mon, 10 Jun 2002, Riccardo Faccini wrote: > Ciao Alessio, > > > > B->D*lnu (only weight from B) = wB > > B->Dlnu (weight from B * weight from D) = wB*wD > > I am completely confused about this statement. Why should you ignore the D > decay when the B goes to D*lnu ?!? D* goes to D that then decays itself... > I think we should always have the product of the two, but vary only one of > the two at a time: when the wB are varied, the wD should be fixed to > rescale the BF to the PDG ones and viceversa. > ciao > ric > > > > > This whole procedure has to be tested and checked for bugs (correct > > values for all BR, correct implementation of reweighting). > > > > Let me know any comment or question. > > Cheers, > > Alessio > > > > ______________________________________________________ > > Alessio Sarti > > Universita' & I.N.F.N. Ferrara > > tel +39-0532-781928 Ferrara > > roma +39-06-49914338 > > SLAC +001-650-926-2972 > > > > "Vorrei tanto sapere chi e' che va in giro a costruire quadrati > > sull'ipotenusa" > > > > > > > >