Difference between revisions of "JEF meeting, January 27, 2023"
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*** Expect to receive 95 more CRYTUR crystals in May (835 + 95 = 930 in total) | *** Expect to receive 95 more CRYTUR crystals in May (835 + 95 = 930 in total) | ||
**[https://halldweb.jlab.org/detectors/fcal2/module_fabrication/wrapped/wrapped_crytur.pdf Wrapped CRYTUR crystals: 835 (ALL available CRYTUR) ] | **[https://halldweb.jlab.org/detectors/fcal2/module_fabrication/wrapped/wrapped_crytur.pdf Wrapped CRYTUR crystals: 835 (ALL available CRYTUR) ] | ||
| − | *** Available for wrapping: | + | *** Available for wrapping: 52 SICCAS crystals from CCAL [https://halldweb.jlab.org/wiki/index.php/All_modules_(with_SICCAS_crystals)_are_removed] [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/wrapped/ccal_crystals.pdf] |
| + | *** George (DSG group) started disassembling CCAL modules and removing LMS caps. | ||
*** Mindy (DSG group) continues wrapping crystals and soldering wires to sockets | *** Mindy (DSG group) continues wrapping crystals and soldering wires to sockets | ||
** Disassembling CCAL | ** Disassembling CCAL | ||
| Line 15: | Line 16: | ||
*** [[All modules (with SICCAS crystals) are removed]] | *** [[All modules (with SICCAS crystals) are removed]] | ||
** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/part_preparation.pdf List of available parts] | ** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/part_preparation.pdf List of available parts] | ||
| + | *** Some PMT housing are missing ( > 60, trying to find with Tim) | ||
* '''Module fabrication''' -- Sasha | * '''Module fabrication''' -- Sasha | ||
<!-- ** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/fcal_fabrication.pdf Status of fabrication ] --> | <!-- ** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/fcal_fabrication.pdf Status of fabrication ] --> | ||
| − | ** Fabricated modules: <span style="color:#FF0000"> Total | + | ** Fabricated modules: <span style="color:#FF0000"> Total 1413 </span> (3 modules fabricated since last week) |
| − | *** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication.pdf All SICCAS 576 SICCAS] | + | *** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication.pdf All SICCAS 576 + 3 SICCAS] |
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication_crytur.pdf 834 CRYTUR], available: 1 | *** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication_crytur.pdf 834 CRYTUR], available: 1 | ||
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/11_11_22 Moving modules to the new lab (EEL108)] | *** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/11_11_22 Moving modules to the new lab (EEL108)] | ||
* '''[[Testing of PMT dividers]]''' -- Sasha / Arshak | * '''[[Testing of PMT dividers]]''' -- Sasha / Arshak | ||
| − | ** | + | ** Most parts for dividers have been received |
| − | ** | + | ** 25 dividers for the prototype are ready (have to be tested), expect to receive the LV patch panel prototype |
| + | during next week. The CCAL prototype should be ready by the end of next week (?) | ||
* '''Installation of the FCAL2 detector''' -- Sasha / Arshak | * '''Installation of the FCAL2 detector''' -- Sasha / Arshak | ||
** [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page] | ** [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page] | ||
| Line 31: | Line 34: | ||
** Meeting with the detector imaging group | ** Meeting with the detector imaging group | ||
* '''Light Monitoring System''' -- Arshak | * '''Light Monitoring System''' -- Arshak | ||
| − | |||
* '''Simulations/Analysis''' | * '''Simulations/Analysis''' | ||
| + | |||
| + | =Minutes= | ||
| + | Attendees: Bill, Igal, Phil, Arshak, Axel, Sasha, Olga, S.T. | ||
| + | * Unwrapping of COMCAL modules continues -- now 52 have been disassembled | ||
| + | ** Visual inspection indicates no obvious indication of radiation damage | ||
| + | ** Mindy from detector support group has re-wrapped 10 | ||
| + | * ~60 PMT housings are missing -- Tim+Sasha are trying to track them down | ||
| + | * 1413 modules have been fabricated | ||
| + | * PMT dividers | ||
| + | ** All parts have been ordered, most parts have arrived | ||
| + | ** Order for divider fabrication imminent | ||
| + | ** 25 are ready for testing with 5x5 module prototype (in COMCAL, using FCAL-2 modules) | ||
| + | * Prototype for low-voltage patch panel due next week | ||
| + | ** Check cross-talk, induced oscillations, ... | ||
| + | * COMCAL setup has been modified to include the 5x5 FCAL-2 prototype + two 3x3 arrays (one using SiPMs for readout) | ||
| + | * At least six summer students have been identified, with more likely | ||
| + | * Arshak received 500 micron diameter fibers for testing light uniformity for alternate LMS (instead of using plexiglas) | ||
| + | * Olga will make some more cookies | ||
Latest revision as of 14:38, 27 January 2023
Meeting time and location:
- 9:30 am EST (JLab time) remote only
- Zoom meeting ID: 161 050 9142 Passcode: 004965
Agenda
- Preparation of parts for FCAL2 modules -- Sasha
- Received all 150 CRYTUR crystals from physics division (22-C0275) [1]
- Expect to receive 95 more CRYTUR crystals in May (835 + 95 = 930 in total)
- Wrapped CRYTUR crystals: 835 (ALL available CRYTUR)
- Disassembling CCAL
- CCAL moved to the ESB
- All modules (with SICCAS crystals) are removed
- List of available parts
- Some PMT housing are missing ( > 60, trying to find with Tim)
- Received all 150 CRYTUR crystals from physics division (22-C0275) [1]
- Module fabrication -- Sasha
- Fabricated modules: Total 1413 (3 modules fabricated since last week)
- Testing of PMT dividers -- Sasha / Arshak
- Most parts for dividers have been received
- 25 dividers for the prototype are ready (have to be tested), expect to receive the LV patch panel prototype
during next week. The CCAL prototype should be ready by the end of next week (?)
- Installation of the FCAL2 detector -- Sasha / Arshak
- Detector installation page
- Updates from the meetings with Tim's group
- Manpower and division of tasks
- Projects for summer students
- Meeting with the detector imaging group
- Light Monitoring System -- Arshak
- Simulations/Analysis
Minutes
Attendees: Bill, Igal, Phil, Arshak, Axel, Sasha, Olga, S.T.
- Unwrapping of COMCAL modules continues -- now 52 have been disassembled
- Visual inspection indicates no obvious indication of radiation damage
- Mindy from detector support group has re-wrapped 10
- ~60 PMT housings are missing -- Tim+Sasha are trying to track them down
- 1413 modules have been fabricated
- PMT dividers
- All parts have been ordered, most parts have arrived
- Order for divider fabrication imminent
- 25 are ready for testing with 5x5 module prototype (in COMCAL, using FCAL-2 modules)
- Prototype for low-voltage patch panel due next week
- Check cross-talk, induced oscillations, ...
- COMCAL setup has been modified to include the 5x5 FCAL-2 prototype + two 3x3 arrays (one using SiPMs for readout)
- At least six summer students have been identified, with more likely
- Arshak received 500 micron diameter fibers for testing light uniformity for alternate LMS (instead of using plexiglas)
- Olga will make some more cookies
