GlueX Start Counter Meeting, April 21, 2011

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Location, Time

Thursday, April 21, 2011
3:30 pm EDT
JLab: CEBAF Center, Room F326/7

Agenda

  1. Announcements
  2. Review minutes from previous meeting: all
  3. Start Counter News
  4. MOU status

Communication Information

Telephone

To connect by telephone:

  1. dial:
  2. enter access code followed by the # sign: 3421244#

Video Conferencing

Slides

Talks can be deposited in the directory /group/halld/www/halldweb/html/talks/2011-2Q on the JLab CUE. This directory is accessible from the web at https://halldweb.jlab.org/talks/2011-2Q/ . You have to be a member of the "halld" Unix group to do this.

Minutes

Present:

  • FIU: Lei Guo
  • JLab: Mark Ito (chair), Simon Taylor, Beni Zihlmann

Optical fibers for light guides

In case fine-mesh phototubes are necessary, Lei had been looking into obtaining some square, 3 mm × 3 mm optical fibers to test as light guides. He has been in contact with Saint-Gobain, but so far has not succeeded in placing an order for such a small quantity.

  • Lei will ask Richard Jones about what he is using for the tagger microscope.
  • Mark will ask around JLab to see if anyone has spare samples or experience ordering suitable fibers.

SiPM tests

  • FIU has not received the new model of amplifier for the SiPM array. Mark will ask about shipping one to them from JLab.
  • Sascha Somov is ordering some individual 3 mm × 3 mm SiPM's from Hamamatsu to test, some of which will be sent to FIU. Mark will check on the status of that order.

FIU/JLab MOU

The MOU is ready to give to Allison to see if she has comments before passing it through the concurrence chain.