April 14, 2022 KLONG Phase II Design Meeting

Meeting Time and Place

Thursday April 14, 2022, 1pm

Zoom https://jlab-org.zoomgov.com/j/1611857466?pwd=VEZndTZzdDdNOUdJU3NxblRLcVoxdz09&from=addon

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

Mikhail Bashkanov, Anthony Palazzo, Eugene Chudakov, Mark Stevens

Agenda

Phase II is the section downstream of the collimator cave shield wall through the liquid target

• Minutes from last meeting https://halldweb.jlab.org/wiki/index.php/March_03,_2022_KLONG_Phase_II_Design_Meeting
• MRI Progress
• CPP Update
• Charged particle background - Mikhail
• Tungsten absorber thermal analysis - Tim

Requirements and things to finalize

• • 6 cm beam tube through Pair Spec magnet to cryo target (1.5 - 2mm wall thickness ok)
  • Remove PS vacuum chamber and put in 6cm beampipe
  • Use existing Cryo target cart
  • 90 l/min LCW needed
• MRI integration meetings
  • Flux monitor downstream edge is 4m from PS magnet center
  • Requirements for beamline downstream of collimator cave media:Igor's_layout.pdf
  • Mikhail Flux Monitor Presentation media:Fluxmonitor_2022.pdf
  • link to KLF wiki https://wiki.jlab.org/klproject/index.php/Main_Page
  • Link to Hall A/C CPS talk - https://userweb.jlab.org/~gabriel/gn_cps_jlab_02_18_2022.pdf