Difference between revisions of "JEF meeting, February 4, 2022"
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** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/2_4_22/siccas_nps.jpg Inventory of NPS SICCAS crystals] | ** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/2_4_22/siccas_nps.jpg Inventory of NPS SICCAS crystals] | ||
** Coordination activities with the DSG | ** Coordination activities with the DSG | ||
| − | ** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/2_4_22/equip_gwu.jpg Equipment for GWU (production of silicon cookies)] | + | ** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/2_4_22/equip_gwu.jpg Equipment for GWU (production of silicon cookies, air flow hood )] |
* Module fabrication -- Sasha | * Module fabrication -- Sasha | ||
** [https://logbooks.jlab.org/entry/3982001 Arshak and Sasha are working on preparation of parts] | ** [https://logbooks.jlab.org/entry/3982001 Arshak and Sasha are working on preparation of parts] | ||
** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/2_4_22/fab_modules.jpg Fabricated modules] | ** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/2_4_22/fab_modules.jpg Fabricated modules] | ||
| − | + | ::: [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/2_4_22/module_fabrication.pdf List of fabricated modules] [https://docs.google.com/document/d/1upI9M_RNR4qipzwg-SmxmzkqoCDU294x7Y3jT5M6DVY/edit (list on Google Drive)] | |
** Fabrication schedule | ** Fabrication schedule | ||
* Light Monitoring System | * Light Monitoring System | ||
| Line 18: | Line 18: | ||
* Simulations | * Simulations | ||
** [https://halldweb.jlab.org/DocDB/0054/005405/001/FEB02_eff.pdf Single and double photon gun efficiencies] - Tegan | ** [https://halldweb.jlab.org/DocDB/0054/005405/001/FEB02_eff.pdf Single and double photon gun efficiencies] - Tegan | ||
| + | |||
| + | =Minutes= | ||
| + | Attendees: Bill,Olga,Igal,Sasha,Tegan,Zisis,Jane,Arshak,Tim B.,Jon,Liping,Susan,Phil,S.T. | ||
| + | * Sasha went over preparations from mass production of FCAL2 modules | ||
| + | ** Inventory of SICCAS crystals that NPS does not plan to use: ~440 "good" crystals | ||
| + | ** Detector support group started working on pre-shaping ESR, also will work on wrapping | ||
| + | ** Equipment for GWU (for production of silicon cookies): airflow box, vacuum chamber, pump | ||
| + | ** Arshak and Sasha started producing cookies and light guides | ||
| + | ** Chris A. working on brazing brass strips (some assemblies too small) | ||
| + | * Arshak and Sasha constructed 14 new modules | ||
| + | ** Takes about 30-40 minutes per module | ||
| + | ** Can produce ~20/week/person | ||
| + | ** Keeping track of progress on google drive | ||
| + | ** PMT divider work on hold in favor of module production for now | ||
| + | * Arshak working on light monitoring system | ||
| + | ** Enough parts to construct plexiglas prototype for 5x5 crystal array | ||
| + | * Loan agreement and contract with GWU in the works | ||
| + | * Tegan presented an update on photon reconstruction efficiencies using single and double photon gun simulations | ||
| + | ** Island and default algorithms have almost the same efficiency as a function of angle for single photons | ||
| + | ** Efficiency profile tracks with conversions in material upstream of FCAL | ||
| + | ** Comparison of 2-photon separation between two algorithms still needs work | ||
Latest revision as of 20:44, 17 February 2022
Meeting time and location
- 9:30 am EST (JLab time) remote only
- Zoom meeting ID: 161 050 9142 Passcode: 004965
Agenda
- Preparation for mass production of FCAL2 modules -- Sasha
- Inventory of NPS SICCAS crystals
- Coordination activities with the DSG
- Equipment for GWU (production of silicon cookies, air flow hood )
- Module fabrication -- Sasha
- Fabrication schedule
- Light Monitoring System
- COMCAL tests, TAC running, etc.
- Data analysis
- Simulations
Minutes
Attendees: Bill,Olga,Igal,Sasha,Tegan,Zisis,Jane,Arshak,Tim B.,Jon,Liping,Susan,Phil,S.T.
- Sasha went over preparations from mass production of FCAL2 modules
- Inventory of SICCAS crystals that NPS does not plan to use: ~440 "good" crystals
- Detector support group started working on pre-shaping ESR, also will work on wrapping
- Equipment for GWU (for production of silicon cookies): airflow box, vacuum chamber, pump
- Arshak and Sasha started producing cookies and light guides
- Chris A. working on brazing brass strips (some assemblies too small)
- Arshak and Sasha constructed 14 new modules
- Takes about 30-40 minutes per module
- Can produce ~20/week/person
- Keeping track of progress on google drive
- PMT divider work on hold in favor of module production for now
- Arshak working on light monitoring system
- Enough parts to construct plexiglas prototype for 5x5 crystal array
- Loan agreement and contract with GWU in the works
- Tegan presented an update on photon reconstruction efficiencies using single and double photon gun simulations
- Island and default algorithms have almost the same efficiency as a function of angle for single photons
- Efficiency profile tracks with conversions in material upstream of FCAL
- Comparison of 2-photon separation between two algorithms still needs work
