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Ciao Daniele, (he is not at the uni, we are not exchanging mails through the ocean being in the same room...) On Fri, 18 Oct 2002, Daniele del Re wrote: > > some problems with the links. I see only depleted plots. I have no problems with the links, can you make an example? > > As far as the chi^2 problem I think you have too many bins (mes fits with > few events...). Reducing the number of bins and the range, putting all the > overflow and underflow in just one bin each could improve the situation. > > Another question. When you add the error from B-D systematics, are you > changing the mean value too? I see some chi^2's that are larger after > adding the syst error (see mm2 for B0). yes, I am taking the new mean value, this is why this is possible ciao ric > > Daniele > > On Fri, 18 Oct 2002, Riccardo Faccini wrote: > > > I have run over the latest froduction of root files from Alessio and > > produced the best I could do for representation. > > It is all contained, including the explenation in > > http://www.slac.stanford.edu/~rfaccini/phys/vub/envelopes/envelopes.html > > > > The reference chi^2 do not lead often to the same conclusions as the plots > > posted the other day by Urs. I guess this is due to the binning, but it > > should be investigated because it lowers (if possible) my trust in the > > meaning of the chi^2. For istance the distribution of MM2 after lepton > > cuts in the depleted sample was 31 for 28 Dof in Urs's plots while it is > > 99 for 24 Dof in Alessio's ... > > > > This said that the plots are useful to see the impact of the systematics. > > In general the variation of the D decays BF are the contributions with > > the largest impact in all quantities. > > > > please let me know if there is anything I can do to improve the grafical > > representation or the explanation of the plots. > > ciao > > ric > > > > > >