Difference between revisions of "JEF meeting, February 28, 2020"
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(Created page with "Meeting time and location= 10:00 am EST (JLab time) CC-F226 =Connection instructions= <div class="toccolours mw-collapsible mw-collapsed"> We are using [https://cc.jlab.org/...") |
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* Status of the crystal production (SICCAS) | * Status of the crystal production (SICCAS) | ||
* [https://halldweb.jlab.org/wiki/index.php/Module_Design Preparation for module fabrication] | * [https://halldweb.jlab.org/wiki/index.php/Module_Design Preparation for module fabrication] | ||
+ | |||
+ | =Minutes= | ||
+ | Attendees: Josh, Arshak, VArun, Jon Z., Zisis, Sasha, Liping, Igal, Vlad B., Phil C. | ||
+ | * SICCAS update: crystals have not shipped yet, a phone conference is planned for Monday evening | ||
+ | ** new PR under discussion, idea to add Wuhan as subcontractor to take care of QA, but crystal specs would remain the same. | ||
+ | *** would need DOE approval -- could take several months... | ||
+ | ** We have arranged with CUA to start with existing Hall C crystals and do a trade later | ||
+ | *** Caveat: NPS is planning assembly in the fall, and will need more than 200 SICCAS crystals | ||
+ | * Box of ESR material arrived -- now have whole set | ||
+ | * Brass flanges are on order | ||
+ | * 400 PMTs have arrived | ||
+ | * Light guide material: no specs for Chinese vendor, go with Eljen as alternate vendor? | ||
+ | ** Studies with 18.8 mm vs 18 mm material hampered by fact that the materials are not exactly the same; nevertheless we will stick with the 18 mm standard size. | ||
+ | * Working on loan agreement with UNCW so they can do studies with PMTS/dividers. | ||
+ | * Safety documentation for clean room area has been submitted, iterating with safety officers. | ||
+ | * mu-metal cylinders: PR was submitted, procurement dept. found a cheaper vendor, but will probably go with first vendor | ||
+ | * 400 PMTs have arrived | ||
+ | * Modified dividers for testing with COMCAL: waiting for parts. Windows of opportunity for installation during beam studies/maintenance days (usually Tuesdays). | ||
+ | * Light Monitoring system: use plexiglas sheets a la FCAL or individual light distribution? | ||
+ | ** Plan to do some studies with the plexiglas idea: light uniformity,... |
Latest revision as of 17:39, 2 March 2020
Meeting time and location= 10:00 am EST (JLab time) CC-F226
Connection instructions
We are using BlueJeans Video/Audio conferencing. Our meeting ID number is 992533564. Click "Expand" for more details.
- Make sure you have created a BlueJeans account via your JLab CUE account using this link:
- http://jlab.bluejeans.com (You should only need to do this once)
- If connecting via Web Browser: click this link (no passcode is needed):
- If connecting via Phone: Dial one of the following numbers and then enter the meeting ID above and hit "#" or "##"
- Dial: 1 888 240 2560 (US or Canada only)
- or, List of International Numbers
- If connecting via Polycom unit:
- Dial 199.48.152.152 or bjn.vc
- Enter meeting ID above
Agenda
- Status of the crystal production (SICCAS)
- Preparation for module fabrication
Minutes
Attendees: Josh, Arshak, VArun, Jon Z., Zisis, Sasha, Liping, Igal, Vlad B., Phil C.
- SICCAS update: crystals have not shipped yet, a phone conference is planned for Monday evening
- new PR under discussion, idea to add Wuhan as subcontractor to take care of QA, but crystal specs would remain the same.
- would need DOE approval -- could take several months...
- We have arranged with CUA to start with existing Hall C crystals and do a trade later
- Caveat: NPS is planning assembly in the fall, and will need more than 200 SICCAS crystals
- new PR under discussion, idea to add Wuhan as subcontractor to take care of QA, but crystal specs would remain the same.
- Box of ESR material arrived -- now have whole set
- Brass flanges are on order
- 400 PMTs have arrived
- Light guide material: no specs for Chinese vendor, go with Eljen as alternate vendor?
- Studies with 18.8 mm vs 18 mm material hampered by fact that the materials are not exactly the same; nevertheless we will stick with the 18 mm standard size.
- Working on loan agreement with UNCW so they can do studies with PMTS/dividers.
- Safety documentation for clean room area has been submitted, iterating with safety officers.
- mu-metal cylinders: PR was submitted, procurement dept. found a cheaper vendor, but will probably go with first vendor
- 400 PMTs have arrived
- Modified dividers for testing with COMCAL: waiting for parts. Windows of opportunity for installation during beam studies/maintenance days (usually Tuesdays).
- Light Monitoring system: use plexiglas sheets a la FCAL or individual light distribution?
- Plan to do some studies with the plexiglas idea: light uniformity,...