Difference between revisions of "JEF meeting, March 25, 2022"

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(Agenda)
(Agenda)
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* Preparation for mass production of FCAL2 modules -- Sasha
 
* Preparation for mass production of FCAL2 modules -- Sasha
 
** PMT selection
 
** PMT selection
*** Olga checked PMT diameter of [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/3_24_22/pmt_recently_checked.jpg  360 newly received PMTs]. Many PMTs from the last shipment (210 pcs) were [https://halldweb.jlab.org/detectors/fcal2/pmt/exchanged/pmt_diameter_check.jpg tight] (about 40%)
+
*** Olga checked PMT diameter of [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/3_24_22/pmt_recently_checked.jpg  360 newly received PMTs]. Many PMTs from the last shipment (210 pcs) are [https://halldweb.jlab.org/detectors/fcal2/pmt/exchanged/pmt_diameter_check.jpg tight] (about 40%)
 
*** These PMTs were [https://halldweb.jlab.org/wiki-private/index.php/PMT_for_FCAL_insert#Delivered_PMTs exchanged] with NPS. 40 more PMTs were selected with Vlad and are ready for exchange when purchase spares.
 
*** These PMTs were [https://halldweb.jlab.org/wiki-private/index.php/PMT_for_FCAL_insert#Delivered_PMTs exchanged] with NPS. 40 more PMTs were selected with Vlad and are ready for exchange when purchase spares.
 
*** Total number of PMTs: ordered and received: 1510, 140 installed on CCAL.  
 
*** Total number of PMTs: ordered and received: 1510, 140 installed on CCAL.  

Revision as of 22:56, 24 March 2022

Meeting time and location

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

Agenda

  • Preparation for mass production of FCAL2 modules -- Sasha
    • PMT selection
      • Olga checked PMT diameter of 360 newly received PMTs. Many PMTs from the last shipment (210 pcs) are tight (about 40%)
      • These PMTs were exchanged with NPS. 40 more PMTs were selected with Vlad and are ready for exchange when purchase spares.
      • Total number of PMTs: ordered and received: 1510, 140 installed on CCAL.
        • Need to order about 100 (?) spare modules.
        • These PMTs are also used in different test setups
    • Production of Silicon cookies
    • DSG group: continue preshaping ESR reflectors (18 a day), and wrapping crystals (about 6 a day)
    • Chris A. is brazing brass straps, Bobby is honing PMT housings.
    • Igal is cutting Tedlar and ESR foils
  • Module fabrication -- Sasha
  • Light Monitoring System -- Arshak
  • COMCAL tests, TAC running, etc.
  • Data analysis
  • Simulations