Difference between revisions of "JEF meeting, August 12, 2022"

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* Preparation of parts for FCAL2 modules -- Sasha
 
* Preparation of parts for FCAL2 modules -- Sasha
 
* Module fabrication  -- Sasha
 
* Module fabrication  -- Sasha
−
** Received 25 modules from Crytur, expect more in the future, ~50 /month
+
** Received 85 PMT housings from Tim, they have been honed by Bobby. All of them will be used today.
−
** Light guides coming next month
+
** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/fcal_fabrication.pdf  Status of fabrication ]
−
** PMT housings arrived
+
** Fabricated modules: <span style="color:#FF0000"> Total 1121 </span>
−
** Brass straps no longer bottleneck
+
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication.pdf All SICCAS 577 SICCAS]
−
** 664 Crytur crystals now wrapped
+
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication_crytur.pdf 544 CRYTUR], Remaining: 133
−
** Grand total of fabricated modules up to 1121
+
** Clean room EEL126 [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/8_5_22/eel_shelves.jpg][https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/8_5_22/eel_shelves1.jpg]
−
*** Have components for module fabrication for 33/133 remaining crystals
+
*** Expect to move to the new lab EEL108 (the same building) [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/8_5_22/eel_108.jpg]
−
* Plan to move to new area in EEL, currently not ready
+
*** Work on amending safety docs
−
* PMT dividers will be ordered next fiscal year
+
−
** NPS see noise issues, but they are using a larger amplifier gain than we anticipate
+
−
** GWU to help out with divider studies
+
−
* Plan to meet with Tim regarding installation schedule for next year
+
−
** Frame design finalized
+
−
** Also need to discuss cabling with Fernando -- thickness of cables, stress relief
+
−
* Refurbishment of lead glass blocks, Cockroft-Walton bases?
+
−
* Budget for next year needs to include money for LMS, also spare crystals?
+
 
* Light Monitoring System -- Arshak
 
* Light Monitoring System -- Arshak

Revision as of 23:15, 11 August 2022

Meeting time and location:

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

Agenda

  • Simulations/Analysis
  • Preparation of parts for FCAL2 modules -- Sasha
  • Module fabrication -- Sasha
    • Received 85 PMT housings from Tim, they have been honed by Bobby. All of them will be used today.
    • Status of fabrication
    • Fabricated modules: Total 1121
    • Clean room EEL126 [5][6]
      • Expect to move to the new lab EEL108 (the same building) [7]
      • Work on amending safety docs
  • Light Monitoring System -- Arshak
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