Vitally:
You wrote
.... Also, I have not found a
consistant way of handling the errors yet (can't find Bevington) so they
might change.
In case you were serious about not finding Bevington, I have a copy in
my office.
Manouchehr
vitaliy ziskin wrote:
>
> Hello all,
> I was able to recontruct compton data from coda data stream. For that I
> changed TCodaRead and TBLRaw to hadle these types of events. I used
> methods written by other people (since I never make anything of my own)
> in Physics.cc (compton account). The file that handles the
> reconstruction is called TBLComptonRecon.*. All these changes and
> additions are checked into the cvs. I editted (per TB's suggestion)
> charge.C to provide us with the everage polarization for each helicity
> state. This file's name is charge_vz.C. Use it with runs that have
> compton data in them and if you like them you can make it a standard
> charge.C. Since the target is flipped on a lot shorter time scale than
> compton daq, it is not reazonable to expect to have an average beam
> polarization for each target helicity state. On the other hand I see no
> reason to believe that beam polarization changes with target helicity.
> I ran charge_vz.C for run number 734 and the result I got was:
> average beam polarization:
> (+) 0.61906 +/- 0.223207 (-) -0.670082 +/- 0.197223
>
> Bill, can you verify this for consitancy. Also, I have not found a
> consistant way of handling the errors yet (can't find Bevington) so they
> might change.
>
> Cheers,
> Vitaliy
--____________________________________________________________________ Manouchehr Farkhondeh manouch@mit.edu Principal Research Scientist Division Head of Physics, Accelerator MIT, Bates Linear Accelerator Center tel (617)253-9298 Middleton, MA 01949 fax (617) 253-9599 ____________________________________________________________________
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