[Halld-offline] [Halld-physics] Physics Meeting on Monday

Paul Mattione pmatt at jlab.org
Mon Jul 15 14:31:32 EDT 2013

Now that the analysis tools are at a point where everyone can start (relatively) easily using them, perhaps we should use them to systematically study the various channels we want to search for hybrid mesons (and other physics).  If we all start taking a look at them (with the ANALYSIS library, the BDT, and AmpTools), we can learn about the performance/ability of the GlueX detector to isolate these channels, and what the remaining backgrounds might be.  

In addition to making people more familiar with the software, it would also be an excellent test of our analysis software and procedures, and would help us find and fix any bugs that only appear in certain channels.  This would be a huge step towards getting us ready to analyze the experimental data when it comes in.  

As a starting point, I recommend we take a look at the following channels from table 3 in the PAC proposal (http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=2198) (the studies should be conducted with the recoil proton treated as both reconstructed & missing):

omega, pi, pi
eta, 3pi
eta', pi
eta, 4pi
eta, eta, pi, pi
K, K, pi, pi
K, K, pi
K, K, omega
eta, pi, pi
omega, pi
+ various cascade channels

Would anyone like to volunteer to study some of these channels?  Perhaps we should discuss this at the next physics meeting.  

 - Paul

On Jul 12, 2013, at 4:10 PM, Volker Crede wrote:

> Hi All,
> Since we spent a lot of time this week on analyzing GlueX data at the very successful Analysis Workshop, perhaps we should skip Monday's physics working group meeting. However, please let me know if anybody would like to present or discuss something, and we can schedule a meeting. 
> On a different note: Can you please let me know if anybody is currently working on a GlueX (simulation) analysis or is planning on doing so in the near future, including the channel you are interested in? 
> Best wishes,
>       Volker
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