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After that I went to sleep: that was a very good idea. Ric is perfectly right. lumi for B0 and B+ needs to be multiplied by 2... sorry. I need coffee now. Ale ______________________________________________________ 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 Sun, 1 Dec 2002, Riccardo Faccini wrote: > not really: luminosities are not additive: > 50fb-1 of B0 and 50fb-1 of B+ are 50fb-1 of all ... > Should we multiply the B0 and Bch luminosities by 2? (I hope so...) > thanks > ric > > On Sun, 1 Dec 2002, Alessio Sarti wrote: > > > > Sorry Alessio, > > > > > > I still don't understand how many events are in the official chains. This > > > is the only important number: > > > > 112fb-1 (all) > > 57fb-1 (B0) > > 55fb-1 (B+) > > > > > > Summary BB(all): 112215871 . > > > > > > > > Breakdown (b0 and b+). > > > > > > > > B0 all: 57499506 ; 2000: 9825650 ; 2001: 26062000 ; 2002: 21611856 > > > > B+ all: 54716365 ; 2000: 11140365 ; 2001: 33606000 ; 2002: 9970000 > > > > Are those numbers making sense to you? > > Alessio > > > > > >