Difference between revisions of "JEF meeting, September 29, 2023"
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=Agenda= | =Agenda= | ||
*'''Preparation of parts for ECAL modules''' -- Sasha | *'''Preparation of parts for ECAL modules''' -- Sasha | ||
+ | ** Crystals: | ||
+ | **: - Prepare to send 11 crystals back to SICCAS [https://halldweb.jlab.org/wiki/index.php/SICCAS]. | ||
+ | ** Received 1100 short signal cables [https://halldweb.jlab.org/detectors/fcal2/installation/photos/label_signal/short_signal.jpg] | ||
+ | ** Received 140 HV cables | ||
+ | ** Received 24,400 ft of optical fibers. | ||
* '''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 | ||
+ | ** [https://docs.google.com/presentation/d/1euIA49SszoQmSM4Lxu1OtZ8OfjltgwzXIbXo6TPEB3s/edit#slide=id.p Report from students] | ||
+ | ** Refurbished (remove soldering bumps and rewrap) 42 modules. One more layer of the detector will be installed today. | ||
+ | ** Need to wrap and fabricate about 30 modules using newly received crystals (will replace some already existing modules with low-quality crystals). Plan to finish with this during next week [https://halldweb.jlab.org/detectors/fcal2/lms/wrapped_spares.jpg]. | ||
+ | ** Tested and labeled 120 HV cables | ||
+ | ** Preparing optical fibers for the LMS | ||
+ | :: - cut 500 optical fibers [https://halldweb.jlab.org/detectors/fcal2/lms/lms_fibers1.jpg] | ||
+ | :: - glue plastic caps [https://halldweb.jlab.org/detectors/fcal2/lms/lms_fibers2.jpg] | ||
* '''[[Testing of PMT dividers]]''' -- Sasha / Vlad | * '''[[Testing of PMT dividers]]''' -- Sasha / Vlad | ||
− | * '''[https://halldweb.jlab.org/wiki/index.php/FCAL_Insert_Module_Fabrication | + | ** -Tested 6 dividers from the first batch. Asked to produce all remaining dividers. Expect to receive some of them in a couple of weeks |
+ | * '''[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 | ||
− | *'''Light monitoring system''' -- Arshak | + | ** 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 | ||
+ | ** '''[https://userweb.jlab.org/~aasatury/Fcal_LMS/presents/lms_update_09_28_23.pdf lms_update_09_28_23.pdf]''' | ||
*'''Analysis/Simulation''' | *'''Analysis/Simulation''' | ||
+ | |||
+ | =Minutes= | ||
+ | Attendees: Arshak, Igal, Olga, Zisis, Sasha, Vlad B., Liping, Jane, S.T. | ||
+ | * Milestone: all 1596 insert crystals have been installed! | ||
+ | * Visually inspect 70 SICCAS crystals from final batch | ||
+ | ** May send 11 back | ||
+ | ** Several others "suspicious" (have chips, etc.) but may be still usable as spares | ||
+ | *** Make prototype to put in PS setup, upgrade TAC to 5x5 ? | ||
+ | * Received batch of HV cables, have been tested and labeled | ||
+ | * Have some PMT spares, probably want more | ||
+ | * Work continues on optical fibers (gluing caps, polishing,...) | ||
+ | * PMT dividers have been ordered | ||
+ | * Performed visual inspection of lead glass in hall | ||
+ | ** Found one with chip on PMT side (try to set these aside before installation) | ||
+ | ** Found one with broken vacuum (no cathode color seen) | ||
+ | ** LG assemblies with bent dividers being fixed | ||
+ | * Arshak gave report on status of light monitoring system | ||
+ | ** Fiber bundles separate into groups of 20 fibers for left-right routing and 40 fibers going down | ||
+ | ** 3D printed fiber connector adapter for integrating sphere | ||
+ | ** Chris S. working on LEDs (green, blue, purple) | ||
+ | ** Sasha suggested ordering plate with many holes (for polishing fibers?) instead of 3D printing | ||
+ | ** Integrating sphere: 2 ports available for LEDs | ||
+ | * Sasha working on keeping detector support group involved with the project | ||
+ | * Liping/Sasha working on mini-symposium proposal for April APS meeting |
Latest revision as of 08:01, 2 October 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, checked, and inventorized (about 1610 modules in total)
- Ongoing projects -- Sasha, all
- Visual inspections of fabricated modules [3] - done
- All crystals moved to Hall D[4] [5][6] - done
- Tested, labeled, and bundled all 100 (+ 2 spares) [7] signal cables connected from the flash ADC to the patch panel [8] - done
- Test and label 1100 short signal cables - ongoing
- Tested fabricated modules using LMS [9] - done (need to update the wiki page)
- Cutting optical fibers and gluing plastic caps [10], waiting for 7600 ft of optical fibers
- Report from students
- Refurbished (remove soldering bumps and rewrap) 42 modules. One more layer of the detector will be installed today.
- Need to wrap and fabricate about 30 modules using newly received crystals (will replace some already existing modules with low-quality crystals). Plan to finish with this during next week [11].
- Tested and labeled 120 HV cables
- Preparing optical fibers for the LMS
- Testing of PMT dividers -- Sasha / Vlad
- -Tested 6 dividers from the first batch. Asked to produce all remaining dividers. Expect to receive some of them in a couple of weeks
- Proceedures
- Installation of the FCAL2 detector & integration to GlueX -- Sasha / Arshak / Vlad / Hakob
- Detector installation [14][15][16]
- Detector installation page
- Updates from the meetings with Tim's group [17]
- Discussion of the FCAL2 installation procedures [18]
- 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
- Analysis/Simulation
Minutes
Attendees: Arshak, Igal, Olga, Zisis, Sasha, Vlad B., Liping, Jane, S.T.
- Milestone: all 1596 insert crystals have been installed!
- Visually inspect 70 SICCAS crystals from final batch
- May send 11 back
- Several others "suspicious" (have chips, etc.) but may be still usable as spares
- Make prototype to put in PS setup, upgrade TAC to 5x5 ?
- Received batch of HV cables, have been tested and labeled
- Have some PMT spares, probably want more
- Work continues on optical fibers (gluing caps, polishing,...)
- PMT dividers have been ordered
- Performed visual inspection of lead glass in hall
- Found one with chip on PMT side (try to set these aside before installation)
- Found one with broken vacuum (no cathode color seen)
- LG assemblies with bent dividers being fixed
- Arshak gave report on status of light monitoring system
- Fiber bundles separate into groups of 20 fibers for left-right routing and 40 fibers going down
- 3D printed fiber connector adapter for integrating sphere
- Chris S. working on LEDs (green, blue, purple)
- Sasha suggested ordering plate with many holes (for polishing fibers?) instead of 3D printing
- Integrating sphere: 2 ports available for LEDs
- Sasha working on keeping detector support group involved with the project
- Liping/Sasha working on mini-symposium proposal for April APS meeting