January 18, 2024 KLONG KPT post Review Design Meeting

Meeting Time and Place

Thursday January 18, 2024, 1pm

• Invited - Hovanes Egiyan, Stephanie Worthington, Keith Harding, Igor Strakovsky, Tim Whitlatch, Vitaly Baturin, Eugene Chudakov, Josh Ballard

Agenda

Discuss changes being made as a result of the review last fall

• • link to KLF wiki https://wiki.jlab.org/klproject/index.php/Main_Page

Minutes/Actions

• Tungsten absorber changed from 15.2 cm square to 14.2 cm square
• Is existing 10" Kapton window adequate for KLONG radiation dosage? (Igor/Tim)
• Is there enough space for a profiler and active collimator?
  • Assume current AC and new profiler
  • Bring AC and profiler 3D models into existing KPT model (Keith)
• Need to flip the location of the KPT assy to move north upon reinstall of GlueX (Keith)
• Need to address thermal fatigue of tungsten and beryllium by June (Tim)
• The review recommended an FMEA be performed for system failures such as cooling and power (Tim)
• Need to develop a plan for decommissioning and design but not procure the needed items (Tim)
• Make sure the tungsten composition is defined properly in power deposition and thermal models (Tim/Vitaly
• Hall A had some experience with tungsten heating
• We need to make sure RADCON approves the current design (Hovanes)
• Need to reissue overall layout for review (Keith)