Difference between revisions of "JEF meeting, September 30, 2022"

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*** Available for wrapping: 722 - 707 = 15  
 
*** Available for wrapping: 722 - 707 = 15  
 
*** DSG group continues wrapping
 
*** DSG group continues wrapping
 +
** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/part_preparation.pdf List of available parts]
 
* Module fabrication  -- Sasha
 
* Module fabrication  -- Sasha
 +
** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/fcal_fabrication.pdf  Status of fabrication ]
 +
** Fabricated modules: <span style="color:#FF0000"> Total 1247 </span> (25 modules fabricated since last week)
 +
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication.pdf All SICCAS 576 SICCAS]
 +
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication_crytur.pdf 671 CRYTUR], available: 51
 
* Updates from the FCAL installation meetings with Tim's group -- Sasha
 
* Updates from the FCAL installation meetings with Tim's group -- Sasha
 +
** [https://halldweb.jlab.org/wiki/index.php/FCAL_2_Installation_Meetings September 21]
 +
** [https://halldweb.jlab.org/wiki/index.php/FCAL_2_Design_Meetings Link to the earlier design meetings]
 
* Light Monitoring System -- Arshak
 
* Light Monitoring System -- Arshak
 +
 +
=Minutes=
 +
Attendees: Olga, Sasha, Arshak, Bill, Phil, Axel, Azizah, Igal, S.T.
 +
 +
* Received last batch of PMTs -- now have 1610 in total + 144 in COMCAL
 +
** Olga, Igla, Sasha did pre-selection based on diameter and traded with NPS
 +
* Have 1400 light guides, need 200 more
 +
* Have 75 PMT housings (have been annealed) of 300 needed
 +
** Need to check diameters
 +
* Crystal wrapping continues.  As of the meeting 5 were left over needing wrapping
 +
* Expect 105 crystals from JLab pool + 50 more to arrive next month
 +
* Week of 10/3, Sasha expects to find time to work on PMT dividers
 +
** Contract with GWU for divider work
 +
** Need to check for possible noise problems seen by NPS (but they are using a higher amplifier gain than we expect to use)
 +
* Engineering/installation meetings now biweekly
 +
** Discussing cabling (using thin RG-XX cables (not sure of the number))
 +
** Discussing unstacking and storage of lead glass blocks
 +
** Discussed connection plan for crates for insert
 +
* Sasha mentioned need for students in the late spring/summer of next year

Latest revision as of 13:38, 3 October 2022

Meeting time and location:

  • 9:30 am EST (JLab time) remote only
  • Zoom meeting ID: 161 050 9142 Passcode: 004965

Agenda

Minutes

Attendees: Olga, Sasha, Arshak, Bill, Phil, Axel, Azizah, Igal, S.T.

  • Received last batch of PMTs -- now have 1610 in total + 144 in COMCAL
    • Olga, Igla, Sasha did pre-selection based on diameter and traded with NPS
  • Have 1400 light guides, need 200 more
  • Have 75 PMT housings (have been annealed) of 300 needed
    • Need to check diameters
  • Crystal wrapping continues. As of the meeting 5 were left over needing wrapping
  • Expect 105 crystals from JLab pool + 50 more to arrive next month
  • Week of 10/3, Sasha expects to find time to work on PMT dividers
    • Contract with GWU for divider work
    • Need to check for possible noise problems seen by NPS (but they are using a higher amplifier gain than we expect to use)
  • Engineering/installation meetings now biweekly
    • Discussing cabling (using thin RG-XX cables (not sure of the number))
    • Discussing unstacking and storage of lead glass blocks
    • Discussed connection plan for crates for insert
  • Sasha mentioned need for students in the late spring/summer of next year
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