Feb 21, 2023 - CIS Group meeting

Agenda

Upcoming CEBAF/UITF jobs

• SAD is coming ... media:SAD_discussion_300123.pdf
• Matt's rough timeline media:230206_SAD_planning_meeting_with rough timeline.docx
• Warm girder assembly (upcoming plans, using UITF or LERF)
• Status of UITF (booster, status of gun testing)
• CEBAF "200 kV" jobs (Marcy's vacuum "hook-ups", Carlos' HV Conditioning TOSP, Phil's plans for the harp)

Group Updates

• Upcoming meeting
• Updates from around the room

Upcoming Meetings/Dates

• February 10, Alex's deadline to update for March GSRA meeting

• February 13, Xelera visit for e+ SBIR Phase 1 (Karl, Val, Colwyn, Joe)

• March 5-10, APS Meeting, Las Vegas (Riad, Matt) - https://march.aps.org/

• March 7-8, U. Va. Positron Working Group Meeting, Charlottesville - https://indico.jlab.org/event/680/
  • Joe Grames (20+5) - Ce+BAF concept and the challenging polarized e- source
  • Andriy Ushakov (15+5) - Positron target design and fatigue studies
  • Sami Habet (15+5) - Concept of a polarized positron injector for CEBAF
  • Dennis Turner (15+5) - Delivering e+ beams from LERF through Ce+BAF

• March 8-10, JLab Accelerator Advisory Committee Review
  • Charge media:JLAAC_Charge_Mar_2023.docx
  • Agenda media:JLab_AAC_Agenda_Mar_2023_v3.docx

• March 15, GSRA Annual Review (1-4 pm)

• March 20, SAD Begins

• • Shawn's recent calendar media:SAD_discussion_300123.pdf

• March 23-24, KEK visit Yoshinori+

• May 7-12, IPAC'23
  • G. Blume et al., "A 5 MeV Compton transmission polarimeter designed for a SRF photogun". media:abstract-1233.pdf
  • J. Grames et al., "Status of Ce+BAF: Polarized Positron Beam Capability at CEBAF 12 GeV" media:abstract-1313.pdf
  • M. Rahman et al., "Quantum Efficiency and Lifetime Study for Negative Electron Affinity GaAs Nanopillar Array Photocathode" media:IPAC23 abstract_Aziz.pdf
  • A. Ushakov et al., "Conceptual Design of a High-Power Target for Positron Production at CEBAF" media:abstract-1794.pdf
  • S. Zhang, "What We Learned From Operating Electron Accelerators with Variable bunch Frequencies at JLab" media:IPAC23 abstract_Zhang.pdf
• May 15-19, LCWS2023 International Workshop on Linear Colliders (Andriy) - https://indico.slac.stanford.edu/event/7467/overview