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 | ||
− | ** Prepare to move modules into Hall D [https://halldweb.jlab.org/detectors/fcal2/installation/photos/move_to_halld/prepare_to_move.jpg] | + | ** 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] |
− | ** Tested, labeled, and bundled (53 bundlesout 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] | + | ** 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] - done | + | ** 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) | ||
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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 η physics, similar to REDTOP |
Latest revision as of 09:05, 21 July 2023
Meeting time and location:
- 9:30 am EST (JLab time) remote only
- Connection information
Agenda
- Preparation of parts for ECAL modules -- Sasha
- 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
- Started installing detector modules [12]
- Detector installation page
- Updates from the meetings with Tim's group [13]
- Discussion of the FCAL2 installation procedures [14]
- Final mapping of low-voltage cables
- Projects for summer students
- Summer Students (2023)
- 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