Apr 18, 2023 - CIS Group Meeting

Agenda

GTS

• Gabriel HV insulator test

SAD Gun Jobs

• Joe - gun alignment
• Carlos - HV processing
• Marcy - remaining vacuum tasks
• Steve - status new seed laser
• Max - ready for beam tests?
• Riad (if in) - update on Moller tasks
• Greg - ready for IPAC?
• Other updates?

Upcoming meetings/travel

• May

• 5-13, IPAC'23 (Greg/Aziz/Joe)
• 15-19 LCWS 15-19 (Andriy/Carlos)

• Jun

• USPAS (Max)
• APS DAMOP Meeting 5-9 (Riad/Matt Grau)

• Jul

• Summer PES talk (Riad)
• Summer e+ talk (Yves)

• Aug

• None

• Sep

• IBIC (Max)

• CEBAF PES jobs...

• 200 kV gun - bake out, laser alignment, HV conditioning, gun kick/spot move, picks bias voltage
• Fix photocathode activation Keithley 485 Picoammeter - bad display
• 200 kV Wien - 20 Amp PS, E/B spin calibration, benchmark model
• Viewer/Harp/Kicker - fix short, add chopper valve/bake region, add new kicker magnet
• Hall A laser jobs - remove ML, install repaired 250/499 board
• KL jobs - install new amplifier for KL, test 499/32 setup, measure D pulse length, and laser size
• Moller jobs - install IA in Hall D path, measure IA rise time, review RTP setup and laser table electrical isolation with I&C

• UITF rest of this year...

• Now operates like GTS with an OSP, Jessica safety warden and Joe POC
• Focus will shift to using UITF to test photocathode lifetime/polarization (Greg, Aziz)

• Student updates
  • Sohaib/REU - spin tracking for CEBAF/Ce+BAF
  • Sami - returned to France, writing his thesis
  • Sunil - wants 15 Mhz bunches this summer to test his model of KL
  • Aziz
  • Greg
  • Kawser