Difference between revisions of "JEF meeting, March 4, 2022"
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* Preparation for mass production of FCAL2 modules -- Sasha | * Preparation for mass production of FCAL2 modules -- Sasha | ||
| − | ** DSG preshaped more than 200 foils, had a meeting today regarding wrapping crystals | + | ** DSG has preshaped more than 200 ESR foils, had a meeting today regarding wrapping crystals |
** Olga visited JLab: prepared 3 sets of Silicon cookies and tested diameter of about 300 PMTs | ** Olga visited JLab: prepared 3 sets of Silicon cookies and tested diameter of about 300 PMTs | ||
*** [https://halldweb.jlab.org/wiki-private/index.php/PMT_for_FCAL_insert quite a few PMTs have to be exchanged with NPS] | *** [https://halldweb.jlab.org/wiki-private/index.php/PMT_for_FCAL_insert quite a few PMTs have to be exchanged with NPS] | ||
*** Two fixtures (42 cookies in each) and digital scales have been ordered. The loan agreement with GWU will be submitted for approval in the beginning of next week. | *** Two fixtures (42 cookies in each) and digital scales have been ordered. The loan agreement with GWU will be submitted for approval in the beginning of next week. | ||
| + | ** Igal is cutting Tedlar and Kapton | ||
** Some backlog with brazing straps, communicated with Tim and Mark regarding getting Chris more involved. | ** Some backlog with brazing straps, communicated with Tim and Mark regarding getting Chris more involved. | ||
| − | ** Quite a few | + | ** Quite a few soft iron housings are tight (no space for kapton film) have to be 'polished', met with Tim |
* Module fabrication -- Sasha | * Module fabrication -- Sasha | ||
| − | **[https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication.pdf Modules fabricated by Arshak and Sasha ] [https://docs.google.com/document/d/1upI9M_RNR4qipzwg-SmxmzkqoCDU294x7Y3jT5M6DVY/edit (list on Google Drive)] [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/2_17_22/fab_mod_2_17_22.jpg Fabricated modules in TEDF ] | + | **[https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication.pdf Modules fabricated by Arshak and Sasha] [https://docs.google.com/document/d/1upI9M_RNR4qipzwg-SmxmzkqoCDU294x7Y3jT5M6DVY/edit (list on Google Drive)] (grand total 115, fabricated in about a month) |
| + | ** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/2_17_22/fab_mod_2_17_22.jpg Fabricated modules in TEDF ] | ||
** [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 ] | ||
| + | ** Budget estimates requested by Eugene (construction, parts including 50 crystals, electronics, engineering (frame, parts, infrastructure)): 600 k | ||
* Light Monitoring System | * Light Monitoring System | ||
* COMCAL tests, TAC running, etc. | * COMCAL tests, TAC running, etc. | ||
* Data analysis | * Data analysis | ||
* Simulations | * Simulations | ||
| + | |||
| + | =Minutes= | ||
| + | Attendees: Bill,Igal,Arshak,Phil,Sasha,Tim W.,Olga,Jon,Liping,Jane,Azizah | ||
| + | |||
| + | * Detector support group has been preshaping ESR foils and about to start wrapping crystals | ||
| + | * Olga prepared cookies and checked PMT diameters | ||
| + | * PMTs that don't meet our tolerance spec exchanged with NPS | ||
| + | * Sasha ordered 3 more fixtures for cookie prep | ||
| + | * Loan agreement with GWU to be approved soon, also need contract with GWU | ||
| + | * GWU could also help with light guides, cutting foils, divider tests | ||
| + | * 1510 PMTs in total expected from Hamamatsu + 140 in COMCAL | ||
| + | * Module fabrication continues, now have 115 completed as of the meeting | ||
| + | * Liping was contacted by a former student interested in machine learning | ||
| + | ** Igal has a potential project [https://halldweb.jlab.org/wiki/index.php/Private:Student_Projects#Project_5 5] | ||
Latest revision as of 00:11, 11 March 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
- DSG has preshaped more than 200 ESR foils, had a meeting today regarding wrapping crystals
- Olga visited JLab: prepared 3 sets of Silicon cookies and tested diameter of about 300 PMTs
- quite a few PMTs have to be exchanged with NPS
- Two fixtures (42 cookies in each) and digital scales have been ordered. The loan agreement with GWU will be submitted for approval in the beginning of next week.
- Igal is cutting Tedlar and Kapton
- Some backlog with brazing straps, communicated with Tim and Mark regarding getting Chris more involved.
- Quite a few soft iron housings are tight (no space for kapton film) have to be 'polished', met with Tim
- Module fabrication -- Sasha
- Modules fabricated by Arshak and Sasha (list on Google Drive) (grand total 115, fabricated in about a month)
- Fabricated modules in TEDF
- Status of fabrication
- Budget estimates requested by Eugene (construction, parts including 50 crystals, electronics, engineering (frame, parts, infrastructure)): 600 k
- Light Monitoring System
- COMCAL tests, TAC running, etc.
- Data analysis
- Simulations
Minutes
Attendees: Bill,Igal,Arshak,Phil,Sasha,Tim W.,Olga,Jon,Liping,Jane,Azizah
- Detector support group has been preshaping ESR foils and about to start wrapping crystals
- Olga prepared cookies and checked PMT diameters
- PMTs that don't meet our tolerance spec exchanged with NPS
- Sasha ordered 3 more fixtures for cookie prep
- Loan agreement with GWU to be approved soon, also need contract with GWU
- GWU could also help with light guides, cutting foils, divider tests
- 1510 PMTs in total expected from Hamamatsu + 140 in COMCAL
- Module fabrication continues, now have 115 completed as of the meeting
- Liping was contacted by a former student interested in machine learning
- Igal has a potential project 5
