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Hi,

There has been a HN posting today concerning PID corrections by Chris
Hearty, see
http://babar-hn.slac.stanford.edu:5090/HyperNews/get/physAnal/1975.html

It basically says, that for PID, tracking and neutral corrections we have
to split the datasample into several subsets:

PID:      run1a, run1b, 2001, 2002, run3 and run4.
Tracking: run 1a, run 1b, run2&3, and run4
Neutrals: run 1, run 2, run 3 and run 4

As discussed on Tuesday I have included the run period in the tcl filename
(i.e. run1, run2, etc.). Now I'm wondering if we should subdivide
the naming even further to facilitate the above mentioned corrections.

I suggest the following naming scheme:
run1a, run1b, run2a, run2b, run3 & run4
              (2001) (2002)

I can do this with BbkExpertTcl once I found out the exact definitions of
the datasets and they are persistent.
Is this a functionality people would like to have or would they apply the
corrections rather on e.g. runnumbers?

One drawback though, as Chris remarks "Unfortunately, signal MC is not
available in such fine divisions right now."

I'd quite like to get a consistent (and final) tcl naming scheme asap,
which is not that easy as relevant information only becomes available now
and things keep changing.

And although we'll have to wait for xxx amount of time for the skimmed
generic BB to become available I'd like to get the data and whatever is
available for signal & cocktail MC out of the way asap (before the queues
really fill up for summer, if that isn't already the case).

If there're no other opinions I'll implement this and reproduce tcls once
more.

Cheers,
Henning