ESB Meeting
August 19, 2025
Attendees: Akshaya, Shefali, Shinhyung, Bo Gyeong, Norbert, Wouter, Yun Eo, Sasha, Tom Minho, Zisis
Agenda
- Announcements, Minutes from Previous Meeting, Action Items
- Reports:
- Cooling (Wouter)
- Light guide (Bo Gyeong)
- Any other Business
- Action Items
- Next meeting
Minutes
- Announcements, Minutes from Previous Meeting, Action Items:
- PDR Process (Zisis): PDR Sept 17-18, Document upload Sep 5, Dry-run/page-turner Aug 28, internal slide deadline Aug 25.
- Reports:
- Cooling: Shefali presented an update on the cooling. The subsequent discussion included the following points:
- aluminum versus copper cooling plate
- stock aluminum (which can be cut at a university) vs milled aluminum or copper (more expensive and had to be contracted out)
- shape of bottom of U-pipe to cover close to the bottom corners where those two SiPMs run hotter
- type of PCB board for CALOROC (FR4 vs metal core PCB)
- location of CALOROC hottest elements (ASIC and DC-DC) along the cooling path with passive elements in the middle of the CALOROC Board
- orientation of ETC cards (parallel to CALOROC plane might be the best).
- LG testing plans with cosmic: Bo Geyong gave an update on the plans to test the Regina and Japanese LGs with cosmic using a 3x3x32cm3 calorimeter prototype and both S13 and S14 SiPMs.
- Any other business: None.
- Action Items:
- Zisis to send email to ESB/DAQ speakers and organize the slide preparation.
- Next meeting:
- Sep 2; joint meeting between Systems Testing and ESB & DAQ.
- Presentations and updates are always encouraged.
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