RunPlanDaily

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Daily Run Plan

Here are details of the daily run plan. See also the Global Run Plan. The person responsible should ensure that a crew of experts is available for the shift. This schedule will be updated frequently by the Run Coordinator as the situation on the ground changes.

Previous daily run plans can be found here PreviousRunPlanDaily


Daily Run Plan for PREX   (latest at bottom)
Date (2010) Shift ---------- Activity (Responsible) ---------- --- Status ---
Monday 3 May Owl
  • Production
Monday 3 May Day
  • Hall B Pass change 3 -> 5 until ~1:00PM
  • Compton vacuum, LHRS dipole UPS replacement during the down
  • Bake compton chicane overnight during production, run beam straight through
  • Return to PbD #2 production
  • Large asymmetry run (Jon)
  • Baking started, HRS work completed by Heidi
Monday 3 May Swing
  • Production
Tuesday 4 May Owl
  • Production
Tuesday 4 May Day
  • Work on switch for Pockels cell (start 9:00AM)
  • Complete Compton beam line bake-out, leak check, cavity alignment
  • Pockels cell switch work complete
  • Compton vacuum reopened
Tuesday 4 May Swing
  • Production
  • Continued Compton realignment/laser polarization measurement
Wednesday 5 May Owl
  • Production
  • Stopped work on Compton - still not complete
  • Changed beam spot size to 200x200um
Wednesday 5 May Day
  • 12 hours Moller tests, start 9:00AM (Sasha, Jixie)
Wednesday 5 May Swing
  • Finish Moller tests, 21:00
  • Raster clock tests 22:00-24:00 (KK, Bob, Jon)
  • Production as per raster clock tests
Thursday 6 May Owl
  • Production
Thursday 6 May Day
  • Beam Studies (8 hours controlled access starting 08:15)
    • Finish Compton cavity work (Sirish, Abdurahim)
    • Start Compton pumping, replace leaky upstream valve? (John Heckman et al)
    • Remove GEM(s)?? (Alex, Kiad)
    • Compton Boron installation (Megan)
  • Continued compton cavity alignment
  • Boron installed
  • INFN GEMs removed to EEL, (additional UVA GEM installed?
Thursday 6 May Swing
  • Raster clock tests
  • Production
  • CHL trip
Friday 7 May Owl
  • Raster clock tests (cont?)
  • Production
  • Tests aborted due to network switch failure in the hall
Friday 7 May Day
  • Production
  • Wien flip, QE scan, spot move (nominally 9:00AM)
  • Wien flip, QE scan, spot move completed.
  • Compton valve work continued until 2:00
  • Started detector alignment checks
  • Q2 and establish low-current cavities (Dustin)
Friday 7 May Swing
  • Tests by KK et al
  • Production
Saturday 8 May Owl
  • Production
Saturday 8 May Day
  • Production
  • 2:00PM - Turn off cavity baking
  • 3:00PM - Leak check, turn on ion pumps
  • 4:00PM - Routine Moller Measurement
  • Compton vacuum reestablished
  • Replaced valve opens with sufficient vacuum levels
Saturday 8 May Swing
  • Moller
  • Moller measurement gives 91% polarization
Sunday 9 May Owl
  • Production
Sunday 9 May Day
  • Compton ready?
  • Production
  • Cavity locks at 3kW!
  • Valve upstream of chicane will not open
Sunday 9 May Swing
  • Production
Monday 10 May Owl
  • Production
  • Left dipole down
Monday 10 May Day
  • Fix left dipole
  • Production
  • Compton chicane tuning
Monday 10 May Swing
  • Production
Tuesday 11 May Owl
  • Production
Tuesday 11 May Day
  • Wien flip
  • Beam studies? Production otherwise
Tuesday 11 May Swing
  • Production
Wednesday 12 May Owl
  • Production
Wednesday 12 May Day
  • Production