Difference between revisions of "JEF meeting, September 15, 2023"

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(Created page with "Meeting time and location: *9:30 am EST (JLab time) remote only * [https://halldweb.jlab.org/wiki-private/index.php/JEF_Weekly_Meeting#Connection_information Connection inform...")
 
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=Agenda=
 
=Agenda=
 
*'''Preparation of parts for ECAL modules''' -- Sasha  
 
*'''Preparation of parts for ECAL modules''' -- Sasha  
 +
** Crystals:
 +
**: - Received 70 crystals from SICCAS. Visual inspection: 4 dim crystals, 8 with many chips (consider to send them back to SICCAS) [https://halldweb.jlab.org/detectors/fcal2/crystals/delivered/SICCAS/bad_crystals.jpg][https://halldweb.jlab.org/detectors/fcal2/crystals/delivered/SICCAS/bad_crystals1.jpg]
 +
**: - Plan to send back about 10 crystals
 +
** Received 1100 short signal cables [https://halldweb.jlab.org/detectors/fcal2/installation/photos/label_signal/short_signal.jpg]
 +
** Procurement parts for the LMS:
 +
**: - Waiting for 7,600 ft of optical fibers. PR department prepared PO but forgot to send it out
 
* '''Module fabrication'''  -- Sasha   
 
* '''Module fabrication'''  -- Sasha   
 +
<!-- ** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/fcal_fabrication.pdf  Status of fabrication ] -->
 +
** All modules have been fabricated, checked, and inventorized (about 1610 modules in total)
 
* '''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 
 +
** All crystals moved to 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] - done
 +
** Tested, labeled, and bundled all 100 (+ 2 spares) [https://halldweb.jlab.org/detectors/fcal2/installation/photos/label_signal/signal_bundles.jpg] signal cables connected from the flash ADC to the patch panel [https://halldweb.jlab.org/wiki/index.php/Testing_and_labeling_cables] - done
 +
** Test and label 1100 short signal cables - ongoing
 +
** Tested fabricated modules using LMS [https://halldweb.jlab.org/wiki/index.php/Testing_ECAL_modules] - done  (need to update the wiki page)
 +
** Cutting optical fibers and gluing plastic caps [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/06_23_2023/glue_caps.jpg], waiting for 7600 ft of optical fibers
 +
** Work on refurbishing LG modules rejected during installation
 +
**: - Fixed about 120 modules with different small issues: soldering compound bumps on the brass assembly, small bubbles on silicon cookies, small issues with wrapping
 +
**:- Mindy is working on re-wrapping of about 30 crystals. She also continues soldering wires to the PMT connectors
 +
** [https://docs.google.com/presentation/d/1euIA49SszoQmSM4Lxu1OtZ8OfjltgwzXIbXo6TPEB3s/edit#slide=id.p Report from students]
 
* '''[[Testing of PMT dividers]]''' -- Sasha / Vlad
 
* '''[[Testing of PMT dividers]]''' -- Sasha / Vlad
−
* '''[https://halldweb.jlab.org/wiki/index.php/FCAL_Insert_Module_Fabrication Procedures]'''
+
** -Continue with testing dividers, should be done during this/next week
 +
* '''[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
 +
**  Detector installation [https://logbooks.jlab.org/book/halld][https://halldweb.jlab.org/detectors/fcal2/installation/photos/install_fcal/students_detector1.jpg][https://halldweb.jlab.org/detectors/fcal2/installation/photos/install_fcal/students_detector.jpg]
 +
** [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]
 +
** Discussion of the FCAL2 installation procedures [https://halldweb.jlab.org/wiki/index.php/FCAL_2_Installation_Meetings]
 +
** [https://halldweb.jlab.org/wiki/index.php/Distribution_of_signals_and_voltages Final mapping of low-voltage cables]
 +
** Mindy continues with wrapping crystals and soldering wires to sockets.
 +
** [https://halldweb.jlab.org/wiki/index.php/List_of_tasks_and_manpower Projects for summer students]
 +
** [https://halldweb.jlab.org/detectors/fcal2/installation/students_2023/list_of_students_2023.xlsx Summer Students (2023) ]
 +
<!-- ** [https://halldweb.jlab.org/detectors/fcal2/installation/photos Disassembling FCAL] -->
 
*'''Light monitoring system''' -- Arshak
 
*'''Light monitoring system''' -- Arshak
 +
*''' Discussion of the budget request for 2024''' -- Sasha (all)
 +
*'''Miscellaneous'''
 +
:: - Profiler to measure shower shape
 +
:: - Veto in the insert region
 
*'''Simulation/Analysis'''
 
*'''Simulation/Analysis'''
 +
** Pictures of potential PID/Veto upgrade --  Simon
 +
[[File:fcal2_with_itof.png]] Magenta shows potential "inner TOF" upgrade]]
 +
[[File:new_tof.png]] revised TOF for high rate running

Revision as of 09:20, 15 September 2023

Meeting time and location:

Agenda

  • Preparation of parts for ECAL modules -- Sasha
    • Crystals:
      - Received 70 crystals from SICCAS. Visual inspection: 4 dim crystals, 8 with many chips (consider to send them back to SICCAS) [1][2]
      - Plan to send back about 10 crystals
    • Received 1100 short signal cables [3]
    • Procurement parts for the LMS:
      - Waiting for 7,600 ft of optical fibers. PR department prepared PO but forgot to send it out
  • Module fabrication -- Sasha
    • All modules have been fabricated, checked, and inventorized (about 1610 modules in total)
  • Ongoing projects -- Sasha, all
    • Visual inspections of fabricated modules [4] - done
    • All crystals moved to Hall D[5] [6][7] - done
    • Tested, labeled, and bundled all 100 (+ 2 spares) [8] signal cables connected from the flash ADC to the patch panel [9] - done
    • Test and label 1100 short signal cables - ongoing
    • Tested fabricated modules using LMS [10] - done (need to update the wiki page)
    • Cutting optical fibers and gluing plastic caps [11], waiting for 7600 ft of optical fibers
    • Work on refurbishing LG modules rejected during installation
      - Fixed about 120 modules with different small issues: soldering compound bumps on the brass assembly, small bubbles on silicon cookies, small issues with wrapping
      - Mindy is working on re-wrapping of about 30 crystals. She also continues soldering wires to the PMT connectors
    • Report from students
  • Testing of PMT dividers -- Sasha / Vlad
    • -Continue with testing dividers, should be done during this/next week
  • Proceedures
  • Installation of the FCAL2 detector & integration to GlueX -- Sasha / Arshak / Vlad / Hakob
  • Light monitoring system -- Arshak
  • Discussion of the budget request for 2024 -- Sasha (all)
  • Miscellaneous
- Profiler to measure shower shape
- Veto in the insert region
  • Simulation/Analysis
    • Pictures of potential PID/Veto upgrade -- Simon

Fcal2 with itof.png Magenta shows potential "inner TOF" upgrade]] New tof.png revised TOF for high rate running

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