[g13] g13b EC Reconstruction
Pawel Nadel-Turonski
turonski at jlab.org
Wed Mar 21 17:50:30 EDT 2012
Hi Paul,
I think Cole tried to fix it and claimed that he had updated the
database before the final recooking. I did not check, though. Perhaps
you could ask him what he did?
Pawel
On 3/21/2012 5:45 PM, Paul Mattione wrote:
> There's an issue with the reconstruction of neutrals in Sector 5 of g13b. This was noticed by Edwin; here's his plot of the neutral reconstruction distribution, circa January 2011:
>
> http://clasweb.jlab.org/rungroups/g13/wiki_secure/index.php/Image:Fig_fiducial_neutrals.gif
>
> Cole Smith determined that there was a problem with the pedestal values for runs after 54084 (basically all of g13b) due to an ADC hardware change for Sector 5. He said that he updated the calibration constants, but I can't seem to find the updated values in the calibration database. Anyway, to fix this would require a recook of g13b. At least it's only for one sector.
>
> - Paul
>
>
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