April 07, 2022 CPP Design/Install Meeting
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Meeting Time and Place
Thursday April 07, 2022, 3:00pm
Zoom Meeting
https://jlab-org.zoomgov.com/j/1602846419?pwd=YTNEeXI3aHBKSERjMGpsTVJZd25sQT09&from=addon
Meeting ID: 160 284 6419 Passcode: 459361
- Invited - Elton, Dave, Stephanie, Ilya, Rory, Mark S, Beni, Simon, Mark I, Anthony, Alex S., Eugene
Agenda
- Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/March_24,_2022_CPP_Design/Install_Meeting#Minutes
- Installation Status
- Detector installed, paddles installed
- Cabling
- Microscope
- Hodoscope - plate #7 installed - 5-6mm high
- Target - fiducialization
- Vacuum
- Gas
- 3x3 Crystal TAC - Bobby working with Sasha
- need many cables - should limit X motion
- Air cooled
- supported on TAC base plate Media:CPP_TAC.pdf
- Adjustable Lead - what is the plan for usage?
- Helium Bag inside CDC Media:Hebag.jpg
Minutes
- Decided an OSP is needed since this is not baseline equipment. Still keep in ESAD - Elton
- Rory requested practice for moving adjustable lead absorber -
- Tim to write procedure
- Should only need to move early in calibration mode
- Tim will talk to Dave Hamlette about being able to adjust the lead without Radcon present
- Six signal cables are in house and being tested
- Target and helium bag
- Simon and Beni would like the geometry of the target/thin windows and helium bag layout
- OK to proceed with helium bag design with PVC plastic tube at upstream end