Difference between revisions of "JEF meeting, July 14, 2023"

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**: - <span style="color:#FF0000"> Received all crystals from CRYTUR [https://halldweb.jlab.org/wiki/index.php/CRYTUR ]. </span>   
 
**: - <span style="color:#FF0000"> Received all crystals from CRYTUR [https://halldweb.jlab.org/wiki/index.php/CRYTUR ]. </span>   
 
**: - Spare crystals
 
**: - Spare crystals
−
** Received all long signal cables from the first order (1200). Received 450 short signal cables
+
** Received all long signal cables from the first order (1200). Received 450 short signal cables [https://halldweb.jlab.org/detectors/fcal2/installation/photos/label_signal/short_signal.jpg]
 
** Procurement parts for the LMS:
 
** Procurement parts for the LMS:
 
**: - Waiting for 7,600 ft of optical fibers (August/September)  
 
**: - Waiting for 7,600 ft of optical fibers (August/September)  
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* '''Ongoing projects''' -- Sasha, all
 
* '''Ongoing projects''' -- Sasha, all
 
** Visual inspections of fabricated modules [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/19_05_2023/modules_qa.docx] - done   
 
** Visual inspections of fabricated modules [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/19_05_2023/modules_qa.docx] - done   
−
** Tested, labeled, and bundled 53 bundles (out of 100) of signal cables connected from the flash ADC to the patch panel [https://halldweb.jlab.org/wiki/index.php/Testing_and_labeling_cables]
+
** Prepare to move modules into Hall D [https://halldweb.jlab.org/detectors/fcal2/installation/photos/move_to_halld/prepare_to_move.jpg] [https://halldweb.jlab.org/detectors/fcal2/installation/photos/move_to_halld/prepare_to_move1.jpg][https://halldweb.jlab.org/detectors/fcal2/installation/photos/move_to_halld/prepare_to_move2.jpg]
−
** Removing signal cables from the FCAL and rearranging signal cables in the hall [https://halldweb.jlab.org/wiki/index.php/Removing_FCAL_cables_from_the_detector] [https://halldweb.jlab.org/wiki/index.php/Rearranging_FCAL_cables]
+
** Tested, labeled, and bundled (53 bundlesout of 100) [https://halldweb.jlab.org/detectors/fcal2/installation/photos/label_signal/signal_bundles.jpg] of signal cables connected from the flash ADC to the patch panel [https://halldweb.jlab.org/wiki/index.php/Testing_and_labeling_cables]. Receive printer cartridges, will resume labeling and cable bundling today. 
 +
** Removing signal cables from the FCAL and rearranging signal cables in the hall [https://halldweb.jlab.org/wiki/index.php/Removing_FCAL_cables_from_the_detector] [https://halldweb.jlab.org/wiki/index.php/Rearranging_FCAL_cables Rearranging_FCAL_cables] - done
 
**: - 400 signal cables were removed,re-labeled and bundled
 
**: - 400 signal cables were removed,re-labeled and bundled
 
**: - all cables have been re-arranged, two VXS crates can be removed (will be used by the ECAL)
 
**: - all cables have been re-arranged, two VXS crates can be removed (will be used by the ECAL)
 
**: - install two flash ADCs
 
**: - install two flash ADCs
−
** Cutting optical fibers [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/06_23_2023/glue_caps.jpg]
+
** Cutting optical fibers and gluing plastic caps [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/06_23_2023/glue_caps.jpg]
 
** [https://docs.google.com/presentation/d/1euIA49SszoQmSM4Lxu1OtZ8OfjltgwzXIbXo6TPEB3s/edit#slide=id.p Report from students]
 
** [https://docs.google.com/presentation/d/1euIA49SszoQmSM4Lxu1OtZ8OfjltgwzXIbXo6TPEB3s/edit#slide=id.p Report from students]
 
** Test fabricated modules using LMS [https://halldweb.jlab.org/wiki/index.php/Testing_ECAL_modules]
 
** Test fabricated modules using LMS [https://halldweb.jlab.org/wiki/index.php/Testing_ECAL_modules]
 
* '''[[Testing of PMT dividers]]''' -- Sasha / Vlad
 
* '''[[Testing of PMT dividers]]''' -- Sasha / Vlad
−
** All electronics components received, expect to ship them to the company to fabricate dividers today (Chris)
+
** All electronics components received, will be shiped to the company to fabricate dividers today (Chris)
 
* '''[https://halldweb.jlab.org/wiki/index.php/FCAL_Insert_Module_Fabrication Proceedures]'''
 
* '''[https://halldweb.jlab.org/wiki/index.php/FCAL_Insert_Module_Fabrication Proceedures]'''
 
* '''Installation of the FCAL2 detector & integration to GlueX''' -- Sasha / Arshak / Vlad / Hakob
 
* '''Installation of the FCAL2 detector & integration to GlueX''' -- Sasha / Arshak / Vlad / Hakob
 +
** Started installing detector modules [https://logbooks.jlab.org/book/halld]
 
** [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page]
 
** [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page]
 
** Updates from the meetings with Tim's group [https://halldweb.jlab.org/wiki/index.php/FCAL_2_Design_Meetings]
 
** Updates from the meetings with Tim's group [https://halldweb.jlab.org/wiki/index.php/FCAL_2_Design_Meetings]
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*'''Light monitoring system''' -- Arshak
 
*'''Light monitoring system''' -- Arshak
 
* '''Simulations/Analysis'''
 
* '''Simulations/Analysis'''
 +
 +
=Minutes=
 +
Attendees: Sasha, Igal, Arshak, Zisis, Olga, Liping, Jane, Jon, Susan, S.T.
 +
* Jane's group went to Shanghai and inspected 88 SICCAS crystals
 +
** Found many poor quality crystals (several discolored, several with chips beyond surface level/chamfers)
 +
** Will reject 23-25
 +
** Will use remaining as spares or for other projects (not enough to instrument any more columns in insert)
 +
* Long cables are arriving:  have 1200 + 400 from FCAL
 +
** 53/100 bundles have been prepared
 +
* Remaining fibers for LMS still not expected until August/September
 +
* All modules needed for insert have been fabricated, being prepared to move to hall D
 +
** Testing each one using dark box (looking at waveforms on oscilloscope)
 +
* Expect first article PMT dividers from outside company soon
 +
* Stacking of lead glass modules in new frame has started, as of meeting 340 in place
 +
** Up to layer 10, insert starts after layer 19, maybe middle of week of 7/17/23?
 +
** Survey&alignment to check levelness before we get too far
 +
* Arshak polishing fibers
 +
* Liping visited Modern Physics Institute in China
 +
** They are working on new accelerator facility to come online in 2025
 +
** They plan to work on &eta; physics, similar to REDTOP

Latest revision as of 09:05, 21 July 2023

Meeting time and location:


Agenda

  • Preparation of parts for ECAL modules -- Sasha
    • Crystals:
      - Received all crystals from CRYTUR [1].
      - Spare crystals
    • Received all long signal cables from the first order (1200). Received 450 short signal cables [2]
    • Procurement parts for the LMS:
      - Waiting for 7,600 ft of optical fibers (August/September)
  • Module fabrication -- Sasha
    • All modules have been fabricated, proceed with the final inventorization (about 1610 modules in total)
  • Ongoing projects -- Sasha, all
    • Visual inspections of fabricated modules [3] - done
    • Prepare to move modules into Hall D [4] [5][6]
    • Tested, labeled, and bundled (53 bundlesout of 100) [7] of signal cables connected from the flash ADC to the patch panel [8]. Receive printer cartridges, will resume labeling and cable bundling today.
    • Removing signal cables from the FCAL and rearranging signal cables in the hall [9] Rearranging_FCAL_cables - done
      - 400 signal cables were removed,re-labeled and bundled
      - all cables have been re-arranged, two VXS crates can be removed (will be used by the ECAL)
      - install two flash ADCs
    • Cutting optical fibers and gluing plastic caps [10]
    • Report from students
    • Test fabricated modules using LMS [11]
  • Testing of PMT dividers -- Sasha / Vlad
    • All electronics components received, will be shiped to the company to fabricate dividers today (Chris)
  • Proceedures
  • Installation of the FCAL2 detector & integration to GlueX -- Sasha / Arshak / Vlad / Hakob
  • Light monitoring system -- Arshak
  • Simulations/Analysis

Minutes

Attendees: Sasha, Igal, Arshak, Zisis, Olga, Liping, Jane, Jon, Susan, S.T.

  • Jane's group went to Shanghai and inspected 88 SICCAS crystals
    • Found many poor quality crystals (several discolored, several with chips beyond surface level/chamfers)
    • Will reject 23-25
    • Will use remaining as spares or for other projects (not enough to instrument any more columns in insert)
  • Long cables are arriving: have 1200 + 400 from FCAL
    • 53/100 bundles have been prepared
  • Remaining fibers for LMS still not expected until August/September
  • All modules needed for insert have been fabricated, being prepared to move to hall D
    • Testing each one using dark box (looking at waveforms on oscilloscope)
  • Expect first article PMT dividers from outside company soon
  • Stacking of lead glass modules in new frame has started, as of meeting 340 in place
    • Up to layer 10, insert starts after layer 19, maybe middle of week of 7/17/23?
    • Survey&alignment to check levelness before we get too far
  • Arshak polishing fibers
  • Liping visited Modern Physics Institute in China
    • They are working on new accelerator facility to come online in 2025
    • They plan to work on η physics, similar to REDTOP
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