Hoi Ric,
what means 'it works'? Yes, the energy spectrum of gammas from K0S
will be fine by construction, but that is not relevant to the
analysis.
http://www.slac.stanford.edu/~ursl/talks/102502/mm2-mc.eps shows plots
comparing B0 cocktail MC (left: o 2001 - 2000, right: o 2002 - 2001)
when applying the K0s killing. 2000 and 2001 MC contain only 'old' MC,
2002 only 'new'.
There are still differences between the killed old and the new.
Cheers,
--U.
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