Meeting 9/22/22 - COMTRA

Thursday's @ 9am EDT by Zoom

• Join ZoomGov Meeting - https://jlab-org.zoomgov.com/j/1601906056?pwd=V2xxUjJhQWN3RC91M2ZBOUVrbmhnUT09
• Zoom ID: 160 190 6056 and Passcode: 992019

Experiment Time!!!

• UITF logbook => https://logbooks.jlab.org/book/uitflog
• UITF Compton Transmission Polarimeter Data Acquisition System
• Quick Reference v.16 media:UITF_quick_reference_rev.16.pdf
• UED List Version 4 media:comptra_beamline_v4.xlsx
• Run Plan Version 5 media:COMTRA-RunPlan-v5.xlsx
• UITF Fall 2022 Schedule
• Steps to align x-ray beam media:220920_Table_Steps.pptx
• Recent installation photos with UED names media:220914_COMTRA.pptx

Readiness Updates

• ME/Layout
  • Mike/Eric completed quick reference (done, see above)
  • Songsheet => use quick reference above
  • Matt working with SCMB & RadCon (100 nA shielded hut, 25 nA unshielded hut)

• Experiment components
  • collimator installed and aligned => see above
  • magnet measurement => status...
  • detector assembly, fiducialization => walkthrough completed wit

• I&C jobs
  • Remote motion control for aperture (otherwise do by hand w/ access) => done
  • Attach current monitors to aperture and dump => done
  • Plumb LCW for current monitor and dump => done 0.75 gpm, SSG update FSD text
  • Pull 6 fibers from DAQ to mezzanine (fibers arrived) => to be done today
  • Align x-ray camera for x-ray card after collimator => ?
  • Insertable 1/2-waveplate => Shukui needs help
  • pull Triax to gun rack (BCM Receiver) => done, cable #10

• DAQ/Controls
  • Helicity generator
  • High Voltage => tested, ready
  • EFADC/DAQ
  • Kepco PS

Older Links

• UITFList Links
  • General COMTRA installation => https://tasklists.jlab.org/uitflist/tasks/107371
  • DC power magnet install => https://tasklists.jlab.org/uitflist/tasks/107370

• Beamline
  • Layout for RadCon media:Compton Layout for Radcon Shielding 8-10-22-3.pptx
  • Spool flanges media:Flanges and Reducer for Compton and RF Kicker-jmg.xlsx
  • Radiator - (1) on-hand, (1) need for BNL thumb
  • Lead for UITF - (11) 2 X 4 X 4, (2) 2 X 4 X 6, (99) 2 X 4 X 8 thumb

• Magnet
  • Kepco PS - ship 8/31 2 day air => PR
  • Magnet EMC PR#1PR#2 coil thumb

• Detector
  • Bases - due 9/15 - comes with Thi in September
  • Collimator - (2) on-hand media:JL0015777_Cu_collimator.pdf thumb
  • Absorbers - (6) on-hand media:Absorber - 240 D 001 14_V4.pdf thumb
  • Boxes - (2) on hand thumb
  • BGO - (2) on-hand thumb thumb thumb thumb thumb
  • PMT and mu shields - (4) on-hand thumb

• Documentation
  • NIM - Elsevier Article (elsarticle) template => https://www.overleaf.com/project/62bc9efe48a3a93aef37be0a
  • Manual - Sharepoint