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Vub measurement using recoil of fully reconstructed Bs

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Subject:
From:
Urs Langenegger <[log in to unmask]>
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Date:
05 Jul 2002 12:05:37 -0700 (PDT)Fri, 05 Jul 2002 12:05:37 -0700 (PDT)
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Hoi,

all the usual plots split up can be found in 

    http://www.slac.stanford.edu/~ursl/talks/070502/comp.ps.gz

The slow pions are clearly visible  in the B0 sample. All samples have
a (slight) excess at low momenta.  In the depl B+ sample, we have that
curiously looking region  (bins 3,4,5) which is also  visible in the B
plots, which could be slow pions in data absent in MC.

MM2 looks  quite fine for  B0; if one  expected problems from  this it
would be in the B+ case (both depl and enh).

In Qtot,  the B0 in data  is significantly wider than  the MC. Generic
has  more in  Qtot=+1 relative  to data.   The B+  is  relatively well
described.   In combination,  theB+ dominates  statistically and  to a
certain extent, there is also compensation between B0 and B+.

Cheers,
--U.




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