[Halld-pid] Minutes, GlueX Start Counter Meeting, Mar. 25, '11
Mark M. Ito
marki at jlab.org
Mon Mar 28 14:22:40 EDT 2011
Find the minutes at
http://www.jlab.org/Hall-D/software/wiki/index.php/GlueX_Start_Counter_Meeting%2C_March_25%2C_2011#Minutes
and below as text.
==
GlueX Start Counter Meeting, March 25, 2011
Minutes
Present: Werner Boeglin, Eugene Chudakov, Lei Guo, Mark Ito (chair),
Simon Taylor, Beni Zihlmann
We had an informal discussion of various issues related to the start
counter.
* Werner is going to test some 3x3 mm fibers for light guides
* Currently FIU is seeing 20 ns rise time from the 16 cell array.
* Werner is interested in getting another pre-amp for the SiPM*
* He is also interested in obtaining a Peltier element; he is hopeful
that cooling the SiPM may help timing resolution.
* Mark will set up a conference call with Werner, Fernando Barbosa,
and Yi Qiang to discuss the previous two items.
* Beni lent the FIU guys an Ortec constant fraction discriminator
(physically handed it over) to see if that helps with timing
resolution in their set-up.
* Puneet Khetarpal, an FIU post-doc, might be able to start working
on the start counter project part-time. His main responsibilities
are in Hall B.
* The MOU between FIU and JLab will be circulated next week among
Hall D staff for comment.
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