Difference between revisions of "JEF meeting, September 13, 2019"
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=Agenda= | =Agenda= | ||
FCAL-II update: status and plans | FCAL-II update: status and plans | ||
| + | |||
| + | =Minutes= | ||
| + | Attendees: Josh, Liping, Sascha, Simon | ||
| + | * Josh has assembled one full prototype module, plan is to build ~10 more | ||
| + | ** No issues so far with brazing or tension | ||
| + | ** Waiting for soft-iron shields: 1020 steel, Tim will anneal | ||
| + | ** Waiting for light guide material to test with silicone cookies | ||
| + | *** Tim found 18 mm diameter acryllic rods | ||
| + | ** Plan to attach light guides to tubes with RTV | ||
| + | * Design for box/frame for beam tests (12 modues at a time) ~ready | ||
| + | ** Will be able to accommodate different light guides | ||
| + | * Need to order HV/signal cables for beam tests (Fernando) | ||
| + | *Vlad Popov has been working on fine-tuning active base design | ||
| + | ** Stabilization of last dynode: use FET? | ||
| + | ** Add low-pass filter? | ||
| + | ** Would like 2-3 different versions to check before November run | ||
| + | * We discussed space considerations: need a relatively clean area but not a full "clean room" | ||
| + | ** Space in TEDF has been identified, would like lock -- fenced off area? | ||
| + | ** 3 heavy duty shelves | ||
| + | * Manpower: getting someone from Russia to help out even through U. Regina will be tricky | ||
| + | ** JLab detector support group can help out | ||
| + | ** Yerphi researcher (Arshak?) is interested in participating, will come for 3 months, possibly up to 6 months | ||
| + | ** Anatoly (who worked on Primex crystal assembly) is retired but wants to participate -- affiliate with UNCW? | ||
| + | ** CMU can do some fabrication, has machine shop | ||
| + | ** Need to identify work coordinator | ||
| + | * Frame/assembly of FCAL-II in design stage | ||
| + | ** Some details need to be worked out in more detail: Light monitoring system, tungsten absorber in inner region, cooling system | ||
Revision as of 08:35, 16 September 2019
Meeting time and location= 1:00 pm EST (JLab time) F228
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
FCAL-II update: status and plans
Minutes
Attendees: Josh, Liping, Sascha, Simon
- Josh has assembled one full prototype module, plan is to build ~10 more
- No issues so far with brazing or tension
- Waiting for soft-iron shields: 1020 steel, Tim will anneal
- Waiting for light guide material to test with silicone cookies
- Tim found 18 mm diameter acryllic rods
- Plan to attach light guides to tubes with RTV
- Design for box/frame for beam tests (12 modues at a time) ~ready
- Will be able to accommodate different light guides
- Need to order HV/signal cables for beam tests (Fernando)
- Vlad Popov has been working on fine-tuning active base design
- Stabilization of last dynode: use FET?
- Add low-pass filter?
- Would like 2-3 different versions to check before November run
- We discussed space considerations: need a relatively clean area but not a full "clean room"
- Space in TEDF has been identified, would like lock -- fenced off area?
- 3 heavy duty shelves
- Manpower: getting someone from Russia to help out even through U. Regina will be tricky
- JLab detector support group can help out
- Yerphi researcher (Arshak?) is interested in participating, will come for 3 months, possibly up to 6 months
- Anatoly (who worked on Primex crystal assembly) is retired but wants to participate -- affiliate with UNCW?
- CMU can do some fabrication, has machine shop
- Need to identify work coordinator
- Frame/assembly of FCAL-II in design stage
- Some details need to be worked out in more detail: Light monitoring system, tungsten absorber in inner region, cooling system
