[G12] My multiple beam photon study

Michael Kunkel mkunkel at jlab.org
Tue Mar 31 13:02:44 EDT 2015


Greetings,

I did not want to show this last night because I thought there was a bug 
in my code. But I do not think I have a bug in my code, so I want to 
show you what I concluded.

First of all, my result does not agree with the values found by FSU or 
FIU. I actually see a strange dependence on energy. What I am depicting 
are plots of the probability of multiple photons within the same bucket 
as clasEvent choose ±1.002 ns, meaning the photon energy on the X-axis 
of the plots are of clasEvent chosen, which was the best timed beam 
photon compared to the average _of_ start times.

The data used for this is only the 566* runs, which is approximately 7% 
of the data.
Please see:
https://clasweb.jlab.org/rungroups/g12/wiki/index.php/TAGR_code#March_31

-- 
BR
MK
----------------------------------------
Michael C. Kunkel, PhD
Forschungszentrum Jülich
Nuclear Physics Institute and Juelich Center for Hadron Physics
Experimental Hadron Structure (IKP-1)
www.fz-juelich.de/ikp

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