Hi Kerstin,

Kerstin Tackmann wrote:
> Hi Wolfgang,
> 
>>>> In this case you should
>>>> not apply any reweighting at all and you should also use different magic
>>>> factors. Did anybody check this?
>>> I did recompute the magic k numbers when we introduced this SP5/SP6
>>> correction. I am sure I did it for the full statistics and I just
>>> crosschecked with my notes that I also recomputed the numbers for the
>>> individual run periods as they are in wfermifile.dat, assuming the SP5 vs.
>>> SP6 reweighting will be done independent of the run flag. So I think
>>> things are used consistently here.
>> For the new weights/weight files, the wfermifile is not used any more
>> and the magic factor is calculated on the fly. Please check the output
>> of the log file. BUT I check the code with Kerstin against her numbers.
> 
> Are these the numbers that are computed automatically:
>  B0bar -> Xu+ l- nubar + CC = 1.03533
>  B- -> Xu0 l- nubar + CC = 1.0335
> ?

Yes.

> I got these numbers from my logfile for Run1+2. These are actually
> different from the numbers I see in the wfermifile for Run1+2 (those are
> smaller than 1). Are you saying they should be the same?

Yes, if you have the correct weight file. The wfermifile has a certain 
assumption about the exclusive BF. The wfermifile should be for Belle04 
weights.

Cheers,

	Wolfgang

> Kerstin
> 

-- 
------------------------------------------------------------------------
Wolfgang Menges
Queen Mary, University of London               SLAC, MS 35
Mile End Road                                  2575 Sand Hill Road
London, E1 4NS, UK                             Menlo Park, CA 94025, USA
+44 20 7882 3753                               ++1 650 926 8503
                                                [log in to unmask]
------------------------------------------------------------------------