Difference between revisions of "JEF meeting, September 13, 2019"

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=Agenda=
 
=Agenda=
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FCAL-II update:  status and plans
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[https://halldweb.jlab.org/JEF/meetings/sep_27_2019/Pres_v2.pdf Light Yield Setup ]
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CAL-II update:  status and plans
  
 
=Minutes=
 
=Minutes=
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Attendees:  Josh, Liping, Sascha, Simon, Zisis
 
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* Josh has assembled one full prototype module, plan is to build ~10 more
 
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** No issues so far with brazing or tension
 
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** Waiting for soft-iron shields: 1020 steel, Tim will anneal
 
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** Waiting for light guide material to test with silicone cookies
 
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*** Tim found 18 mm diameter acryllic rods
 
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** Plan to attach light guides to tubes with RTV
 
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* Design for box/frame for beam tests (12 modues at a time) ~ready
 
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** Will be able to accommodate different light guides
 
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* Need to order HV/signal cables for beam tests (Fernando)
 
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*Vlad Popov has been working on fine-tuning active base design
 
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** Stabilization of last dynode: use FET?
 
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** Add low-pass filter?
 
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** Would like 2-3 different versions to check before November run
 
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* We discussed space considerations:  need a relatively clean area but not a full "clean room"
 
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** Space in TEDF has been identified, would like lock -- fenced off area?
 
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** 3 heavy duty shelves
 
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* Manpower:  getting someone from Russia to help out even through U. Regina will be tricky
 
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** JLab detector support group can help out
 
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** Yerphi researcher (Arshak?) is interested in participating, will come for 3 months, possibly up to 6 months
 
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** Anatoly (who worked on Primex crystal assembly) is retired but wants to participate -- affiliate with UNCW?
 
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** CMU can do some fabrication, has machine shop
 
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** Need to identify work coordinator
 
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* Frame/assembly of FCAL-II in design stage
 
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** Some details need to be worked out in more detail:  Light monitoring system, tungsten absorber in inner region, cooling system
 

Latest revision as of 11:13, 26 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:
  • 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 "##"
  • If connecting via Polycom unit:
    • Dial 199.48.152.152 or bjn.vc
    • Enter meeting ID above

Agenda

Light Yield Setup

CAL-II update: status and plans

Minutes

Retrieved from "https://halldweb.jlab.org/wiki/index.php?title=JEF_meeting,_September_13,_2019&oldid=94245"