Difference between revisions of "JEF meeting, August 11, 2023"
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=Agenda= | =Agenda= | ||
− | |||
*'''Preparation of parts for ECAL modules''' -- Sasha | *'''Preparation of parts for ECAL modules''' -- Sasha | ||
+ | ** Crystals: | ||
+ | **: - 70 SICCAS crystals were shipped to us | ||
+ | ** Received 900 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 (August/September) | ||
* '''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 | ||
+ | ** 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], wrap modules with sort towels.Moved about 800 crystals to the hall [https://halldweb.jlab.org/detectors/fcal2/installation/photos/move_to_halld/prepare_to_move3.jpg]. | ||
+ | ** 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]. Receive cartridges for the printer, will resume labeling and cable bundling today. | ||
+ | ** 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 | ||
+ | ** [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], 1242 modules have been tested (need to update the wiki page) | ||
+ | ** Work on refurbishing LG modules (wrapping, PMTs, etc.) | ||
* '''[[Testing of PMT dividers]]''' -- Sasha / Vlad | * '''[[Testing of PMT dividers]]''' -- Sasha / Vlad | ||
− | * '''[https://halldweb.jlab.org/wiki/index.php/FCAL_Insert_Module_Fabrication | + | ** Received 10 dividers (first article) ! , going to test them during this week (Chris) |
+ | * '''[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] | ||
+ | ** [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 | ||
*'''Analysis/Simulation''' | *'''Analysis/Simulation''' | ||
+ | ** [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=6149 Island algorithm update]--Simon | ||
+ | |||
+ | =Minutes= | ||
+ | Attendees: Igal, Bill, Phil, Sasha, Arshak, Malte, Jon, Liping, Axel, Igor, Olga, S.T. | ||
+ | * Still not have received the remaining length of fibers -- expected late August/early September? | ||
+ | * Continue moving crystals to Hall D (now ~1000 on shelves) | ||
+ | * All external (outside of dark room) cables labelled and bundled (+2 spares) | ||
+ | * Checking of modules using dark box and LED continuing | ||
+ | * Electronics for 10 first article PMT dividers arrived -- if okay plan to order full set week of 8/14/23 | ||
+ | * Installation of FCAL-2 modules continues -- now up to middle of insert region | ||
+ | ** Some disassembly/reassembly was need to get rid of uneven surfaces | ||
+ | ** Inner support pipe will be reduced in length before installation | ||
+ | *** Rely on air cooling -- expect gradient across insert | ||
+ | * Plan to keep temperature for FCAL-2 blocks near 15 degrees Celsius (can go down to 5 degrees Celsius) | ||
+ | * Arshak continuing to work on fiber ends for integrating sphere | ||
+ | * Discussed possibility to build new fiber profiler to use to measure shower profile | ||
+ | * Simon presented a proof-of-principle that we can use electron tracks in the real data to measure the profile and the S-curve dependence of the position of the showers |
Latest revision as of 09:08, 18 August 2023
Meeting time and location:
- 9:30 am EST (JLab time) remote only
- Connection information
Agenda
- Preparation of parts for ECAL modules -- Sasha
- Crystals:
- - 70 SICCAS crystals were shipped to us
- Received 900 short signal cables [1]
- Procurement parts for the LMS:
- - Waiting for 7,600 ft of optical fibers (August/September)
- Crystals:
- 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 [2] - done
- Prepare to move modules into Hall D [3] [4][5], wrap modules with sort towels.Moved about 800 crystals to the hall [6].
- Tested, labeled, and bundled all 100 (+ 2 spares) [7] signal cables connected from the flash ADC to the patch panel [8]. Receive cartridges for the printer, will resume labeling and cable bundling today.
- Cutting optical fibers and gluing plastic caps [9], waiting for 7600 ft of optical fibers
- Report from students
- Test fabricated modules using LMS [10], 1242 modules have been tested (need to update the wiki page)
- Work on refurbishing LG modules (wrapping, PMTs, etc.)
- Testing of PMT dividers -- Sasha / Vlad
- Received 10 dividers (first article) ! , going to test them during this week (Chris)
- Proceedures
- Installation of the FCAL2 detector & integration to GlueX -- Sasha / Arshak / Vlad / Hakob
- Detector installation [11][12][13]
- Detector installation page
- Updates from the meetings with Tim's group [14]
- Discussion of the FCAL2 installation procedures [15]
- Final mapping of low-voltage cables
- Projects for summer students
- Summer Students (2023)
- Light monitoring system -- Arshak
- Analysis/Simulation
- Island algorithm update--Simon
Minutes
Attendees: Igal, Bill, Phil, Sasha, Arshak, Malte, Jon, Liping, Axel, Igor, Olga, S.T.
- Still not have received the remaining length of fibers -- expected late August/early September?
- Continue moving crystals to Hall D (now ~1000 on shelves)
- All external (outside of dark room) cables labelled and bundled (+2 spares)
- Checking of modules using dark box and LED continuing
- Electronics for 10 first article PMT dividers arrived -- if okay plan to order full set week of 8/14/23
- Installation of FCAL-2 modules continues -- now up to middle of insert region
- Some disassembly/reassembly was need to get rid of uneven surfaces
- Inner support pipe will be reduced in length before installation
- Rely on air cooling -- expect gradient across insert
- Plan to keep temperature for FCAL-2 blocks near 15 degrees Celsius (can go down to 5 degrees Celsius)
- Arshak continuing to work on fiber ends for integrating sphere
- Discussed possibility to build new fiber profiler to use to measure shower profile
- Simon presented a proof-of-principle that we can use electron tracks in the real data to measure the profile and the S-curve dependence of the position of the showers