TDIS Bi-monthly meeting, 2018 April 3
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Agenda
- Test stand and FEC (Ed): [1] and [2]
- Target design update (Dipangkar): [3]
- Readout design (Kondo): [4]
- General updates by everyone
Minutes
- JLEIC fellowship to support student or post-doc - CHECK ANNOUNCEMENT! [5]
- TDIS could be considered here
- Test stand (Ed):
- Prepared document defining what we will be doing here at JLab
- Plan to order CRU from Alice
- Elevated costs of FEC built by Oak Ridge
- Five FEC planned in order list
- TPC with Flex circuitry may be the reason for elevated costs of FEC
- Prototype level: hard connection for now (we don't need the flex circuitry at this moment)
- Target/detector design for prototype (Dutta):
- support to hold target centered/aligned (2 main ideas being developed)
- kapton to be stretched to make cell straight, as suggested by target group
- Background particles - we should minimize material downstream
- chiller outside to keep target at 80K
- Do we really need cold target? Simulation should address that soon, since this defines important changes to the design.
- For example, BONUS is considering 7.5atm deuterium in 40cm long straw at room temperature. Simulate this condition and compare!
- Pressure tests to be done (with target group)
- Consider to reduce end cap thickness (reduce background)
- Readout design (Kondo):
- UVA discussing design of readout for prototype - sizes of pad elements
- Simulations have shown high occupancy in inner radius - smaller elements planned for inner radii
- More simulations needed to define sizes of readout elements
- Studies of connections to the readout board during prototype phase
Organizational details
- 11:00 AM, JLab meeting room: CC A110
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