[clas12_rgk] RG-K pass-1 vs. pass-2 studies

[Daniel Carman]

Folks,

Tomorrow there will be a meeting of the different Run Groups to discuss the pass-2 software, with particular
focus on the CVT tracking part of the reconstruction. The purpose of this meeting (8 a.m. as announced by Latifa)
is to identify issues in the current pass-2 reconstruction code compared to the pass-1 reconstruction code, and
to study the different CVT tracking optimization parameters. The main goal of this meeting is to gain consensus
on a single version of the pass-2 reconstruction code to be used for the upcoming cooking of all datasets.

I have been doing some studies over the past few days based on K+Lambda Monte Carlo for RG-K. I have put together
a collection of plots (pass2v2-ky-mc.pdf) of the things that I have been looking at to study the code versions to begin
to make some conclusions. The figure captions hopefully are informative enough for you to gain a bit of insight. A much
reduced set of plots (rgk-pass2-mc-comp.pdf) is also included with my main conclusions for the RG-K Monte Carlo studies
so far.

Keep in mind that all of this work is very recent and there are a number of things that I am still working to understand
in the different versions of the reconstruction code. So these studies are definitely a work in progress. However, before
I show them at the full Run Group meeting tomorrow, I wanted to send them around at least a little beforehand.

Regards,
Daniel

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*
* Dr. Daniel Carman              e-mail: carman at jlab.org<mailto:carman at jlab.org>
* Staff Scientist                 office: (757)-269-5586
* Jefferson Laboratory       web: http://userweb.jlab.org/~carman
*
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