Feb 2, 2022 - Group meeting

Meeting Coordinates

• On-site in TL-1227
• Zoom https://jlab-org.zoomgov.com/j/1619764149?pwd=dWpNeG9mWFdIOGdObXpNRnFvaWVhUT09

Announcements

• CIS job vacancies
• Hybrid work policy

CEBAF SAD Schedule Accelerator Down

• Next two weeks
  • Feb 8-10 - install ML fiber laser, lock up Feb 11 for HCO (https://opsweb.acc.jlab.org/CSUEApps/atlis/task/22830)
  • Feb 14-20 - 12 shifts for beam studies - (Daniel will organize meeting Tue Feb 8 in afternoon to discuss beam studies)
    • Joe - Characterize ML laser (pulse length, bleed through, high current setup to fc#2) - (https://opsweb.acc.jlab.org/CSUEApps/atlis/task/22830)
    • Riad - Characterize noise on Wien magnets 10 A trims vs. 20 A SCE (https://opsweb.acc.jlab.org/CSUEApps/atlis/task/23781)
    • Max - Characterize gun kick vs. laser position and gun voltage? (NEEDS ATLIS)
• Feb 21 - Apr 28
  • CIS - Decide if ML laser remains for next run, or backout to GS
  • CIS - Harp/A2 vacuum job (https://opsweb.acc.jlab.org/CSUEApps/atlis/task/23934) => postponed to 2023
  • CIS - Return Mott gold target ladder
  • CIS - Remove Compton transmission polarimeter magnet/detector & Bubble radiator
  • Install - Remove 5D beam line (https://opsweb.acc.jlab.org/CSUEApps/atlis/task/22161)
  • RF - upgrade LLRF 3.0 (https://opsweb.acc.jlab.org/CSUEApps/atlis/task/21376)
  • FML - Install lights by QCM
• Apr 26 - Jun 8
  • Prepare cathode - (https://logbooks.jlab.org/entry/3978347)

Updates from GTS & UITF

• GTS
• UITF
  • Feb - SAD + Lifetime vs. Gun voltage (Max)
  • Mar - Wrap up BS + Wien/Mott vacuum work
  • Apr - Wrap up vacuum work + CsSbO2 lifetime (Mamun/Max)
  • May - Wrap up lifetime + install 200 kV gun
  • Jun - Wrap up gun install + commission gun 200 - 3?? kV

200 kV GUN

• Injector Upgrade - https://wiki.jlab.org/ciswiki/index.php/CEBAF_Injector_Upgrade

Standing Links

• Carlos' 18" gun page - https://wiki.jlab.org/ciswiki/index.php/18%22_Photogun_ala_GTS
• Winter 2022 SAD - https://wiki.jlab.org/ciswiki/index.php/Phase_2
• CIS Conference and Workshop Proceedings