HYP Target Meeting 20231030

Target Meeting (Hypernuclear experiment at JLab)

• 23:00-24:00 on Oct 29th, 2023 EDT (12:00-13:00 on Oct 30th, 2023 JST)
• Participants: David Meekins (JLab), Toshiyuki Gogami (Kyoto Univ.)
• via ZoomGov

Discussion

HKS-target_meeting_gogami_20231030.pdf

Target list (only solid targets for the next run)

Solid targets are planned to be used for the next run.
But, the target system would be better to be compatible with gas targets (E12-19-002).

Approved

• E12-15-008: ⁴⁰Ca, ⁴⁸Ca (150 mg/cm²)
  • 40 is easy to obtain, but not for 48.
  • Dave asked Oak Ridge National Lab. to purchase the Ca material.
    → no response yet.
    → Dave will contact the Lab.
• E12-20-013: ²⁰⁸Pb (100-150 mg/cm²)
  • The thickness needs to be fixed for design.
  • Cryogenic system would be needed for cooling.
  • 20 μA would be OK to apply.
• Common calibration: ¹²C (150 mg/cm²), CH₂ (500 mg/cm²), ²⁷Al (150 mg/cm²)

Proposing next year

• LOI12-23-013: ⁶Li, ⁹Be, ¹¹Be (100 mg/cm²)
• LOI12-23-016: ²⁷Al (100 mg/cm²)
• LOI12-23-011: there may need special needs.

Next Meeting

13:00 p.m.- on Nov 14, 2022 (EDT) at JLab.
https://indico.jlab.org/event/742/

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