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
> >
> >
>
>