Difference between revisions of "JEF meeting, September 27, 2019"
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+ | Attendees: Josh, Vlad B., Susan S., Liping G., Sascha S., S.T. | ||
+ | *Vlad B. has been working on a light yield test stand in the Hall C NPS lab/cleanroom | ||
+ | ** Evaluated 460 SICCAS crystals, rejected almost 50 that passed visual inspection | ||
+ | ** Using weak uCi Na22 source -- Sascha ordered 10 uCi source | ||
+ | ** Plan is to measure 10-20 crystal's light yield along length using linear translation stand (~$300) | ||
+ | ** Plan is to evaluate all new crystals as they come to lab in November, compare with Shanghai Ceramic Institute's light yield numbers | ||
+ | ** Part of multi-level crystal evaluation scheme (crystal size, visual inspection, transmittance, light yield with and without light guide...) | ||
+ | * Plan is for fabrication of modules to take place in TEDF in fenced-off area | ||
+ | * 12 crystal test setup for use in hall after pair spectrometer is under construction | ||
+ | * Light guide material, cookie material still need to be finalized | ||
+ | * Stress testing of assembly planned/in progress | ||
+ | * Light monitoring system: 12 fibers? design in progress | ||
+ | * V. Popov is working on divider design, 2+ new versions for testing during upcoming run |
Latest revision as of 14:03, 30 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, Vlad B., Susan S., Liping G., Sascha S., S.T.
- Vlad B. has been working on a light yield test stand in the Hall C NPS lab/cleanroom
- Evaluated 460 SICCAS crystals, rejected almost 50 that passed visual inspection
- Using weak uCi Na22 source -- Sascha ordered 10 uCi source
- Plan is to measure 10-20 crystal's light yield along length using linear translation stand (~$300)
- Plan is to evaluate all new crystals as they come to lab in November, compare with Shanghai Ceramic Institute's light yield numbers
- Part of multi-level crystal evaluation scheme (crystal size, visual inspection, transmittance, light yield with and without light guide...)
- Plan is for fabrication of modules to take place in TEDF in fenced-off area
- 12 crystal test setup for use in hall after pair spectrometer is under construction
- Light guide material, cookie material still need to be finalized
- Stress testing of assembly planned/in progress
- Light monitoring system: 12 fibers? design in progress
- V. Popov is working on divider design, 2+ new versions for testing during upcoming run