Difference between revisions of "JEF meeting, September 1, 2023"
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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 | ||
− | ** 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] | + | ** 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 | ** 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 | ** 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) | ** 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 | ** 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 | + | ** Work on refurbishing LG modules rejected during installation |
− | **:- Mindy is re-wrapping crystals | + | **: - 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] | ** [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 | ||
− | ** | + | ** -Continue with testing dividers, should be done during this/next week |
* '''[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 | ||
Line 39: | Line 40: | ||
<!-- ** [https://halldweb.jlab.org/detectors/fcal2/installation/photos Disassembling FCAL] --> | <!-- ** [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 | ||
+ | |||
+ | =Minutes= | ||
+ | Attendees: Liping, Bill, Phil, Zisis, Igal, Jon, Sasha, Jane, Olga, S.T. | ||
+ | * 10 new SICCAS crystals were sufficiently bad that we are likely to send them back | ||
+ | * Discovered that PO for remaining set of fibers for LMS was never sent out! Now fixed, asked company to expedite the order. | ||
+ | * Installation of FCAL-2 continues | ||
+ | ** Reject ~120 modules with issues (bumps from soldering, bubbles from cookies, wrinkles in wrapping,...), will be redone | ||
+ | ** 33 ECAL layers installed + 1 more lead glass layer, needed shims to make surface flat | ||
+ | * PMT divider tests ongong, will give green light to company soon | ||
+ | * Budget requests | ||
+ | ** 7.5 months of students | ||
+ | ** Scintillating fiber profiler (for measuring shower shape) | ||
+ | ** Scinillator detector for "inner TOF"/veto -- prototype |
Latest revision as of 07:58, 5 September 2023
Meeting time and location:
- 9:30 am EST (JLab time) remote only
- Connection information
Agenda
- Preparation of parts for ECAL modules -- Sasha
- 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
- Detector installation [12][13][14]
- Detector installation page
- Updates from the meetings with Tim's group [15]
- Discussion of the FCAL2 installation procedures [16]
- Final mapping of low-voltage cables
- Mindy continues with wrapping crystals and soldering wires to sockets.
- Projects for summer students
- Summer Students (2023)
- Light monitoring system -- Arshak
- Discussion of the budget request for 2024 -- Sasha (all)
- Miscellaneous
- - Profiler to measure shower shape
- - Veto in the insert region
Minutes
Attendees: Liping, Bill, Phil, Zisis, Igal, Jon, Sasha, Jane, Olga, S.T.
- 10 new SICCAS crystals were sufficiently bad that we are likely to send them back
- Discovered that PO for remaining set of fibers for LMS was never sent out! Now fixed, asked company to expedite the order.
- Installation of FCAL-2 continues
- Reject ~120 modules with issues (bumps from soldering, bubbles from cookies, wrinkles in wrapping,...), will be redone
- 33 ECAL layers installed + 1 more lead glass layer, needed shims to make surface flat
- PMT divider tests ongong, will give green light to company soon
- Budget requests
- 7.5 months of students
- Scintillating fiber profiler (for measuring shower shape)
- Scinillator detector for "inner TOF"/veto -- prototype