Hyp-StraMeeting 20241023

Strategy Meeting on Oct 23, 2024

Information

• Time and Date: 22:00-23:00 on Oct 23, 2024 (JST)
• Participants: Franco, Gudio, Nue, Pete, Sho, Bill, Joerg, Liguang, Toshi
• Place: Zoom

Content

ERR

• Status of the document
  → https://docs.google.com/document/d/1HHiisnoN5jbF99KLEU4m0DJAT5dRWxFvhk0N4QuPV1Y/edit?tab=t.0
• Agenda
  → https://hallcweb.jlab.org/wiki/index.php/ERR_Hypernuclear
• ENGE system (Sho)
  • New vacuum box ? → Yes, we need to have a new vacuum box made by JLab.
  • Signal connectors from the vacuum to outside
    → Vacuum test is necessary.
  • A sketch will be prepared
  • Scintillator fibers → MPPCs (+circuits) → VME-EASIROC modules
    → Is the VME-EASIROC OK for radiation level? ENGE is close to the target area, and the radiation may be high.
    → There is an existing bunker for electronics (Bill). It would be better to consider testing the VME-EASIROC modules before the experiment.
• α source
  • ∼ 1kBq
    → 1000 counts assuming 1 hour data with 4 msr acceptance.
  • 20 keV energy uncertainty
  • Three α lines
  • Liguang will show the source information to Mark
• Manpower

Next Meeting

• 22:00 on Oct X, 2024 (JST)

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