Rats! The bug discovery clashes with the following announcement:
the non-resonant production (100K events) is over. Kanga files are being
transferred on
/nfs/farm/babar/AWG/ISL/recoil/kanga/sx-092801/mc_vub_nonres
Production details:
DESC="B -> Xu l nu non res; Bbar -> Breco Cocktail" \
DECFILE='BB_BrecoCocktail_Xulnu_VUB.dec' \
GENERATE='Upsilon(4S)' CONDALIAS=Oct2000 \
RELEASE=8.8.1b PROD_FD_BOOT=$OO_FD_BOOT NEVENTS=2000 121001-121050
May we assume that the D*+(->D0pi+), D*0 and D0 are just OK?
Ciao, Concezio.
P.S. In the next days I should be able to run an SP4 production in Rome but
I am afraid it will be late for the collaboration meeting...
Daniele del Re wrote:
> Hi,
>
> Urs discovered a bug in both .dec files BB_BrecoCocktail_Xulnu.dec
> (mix) and BB_BrecoCocktail_Xulnu.dec (not reson.). Basically the BR
> D+->kpipi is a factor 2 higher (only for D+ and not D-).
> Then we will have an eccess of reconstructed B0->D+X (I guess ~60%). This
> has not dramatic consequences in the recoil. The only problem is that we
> will have a charge asymmetry due to the fact that the D- are fine (but I
> think that we are not sensitive to this kind of systematics).
>
> Anyway I fixed the bug and committed. Since SP4 production has not
> started yet, it will use the correct files. The MC produced by Concezio
> has this problem.
>
> Daniele
