PPB - Aug 4, 2021

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Meeting Info

We will meet on Wed (UAS 9am, JLab 11am, IJCLab 5pm)
Bluejeans: https://bluejeans.com/405130883/4307
Code to start the meeting 4307

Aug 4 Agenda

  • Mark's presentation
    • schematic of layout
    • fraction of e+/e- beam
    • include e- (need Geant4 + standard GPT)
  • Why PAC proposals might fail?
    • Arguments that reversing CEBAF dipole polarities is problematic or costly
    • Arguments for a cold start tune-up of CEBAF with low current (duty factor typ. e- 10 uA pulse @ 60 Hz)
    • Arguments for realistic multi-pass acceptance

Jul 28th Agenda

  • Positron parameter tables:
media:unpolarized.png
media:polarized.png
  • Discussion

Meeting Notes

  • Small meeting with Eric, Riad, Ryan and Mark
  • Bunch length needs to be confirmed, north linac fractional energy spread acceptance needs to be checked, emittance is a concern
  • possibility of FFA use given the wide energy/momentum spread
  • presentation with table values explained and simulations is being worked on
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