Run Planning Meeting Notes, September 29 - October 5, 2022

Meetings are via ZoomGov: connect (Meeting ID: 160 199 0060 / Passcode 8394)

MCC whiteboard

Hall D counting room white board

Hall D Logbook

Back to Run Coordination Meetings:Fall2022

Friday, September 30

Past 24 hours

• Long maintenance day dedicated to RF recovery and injector setup in preparation for Hall A coming online
  • We collected 43.6M raw-mode cosmics events since yesterday morning.
• Beam was restored to Hall D at 11PM last night. We completed the accelerator harp scans on 5C11/B and our radiator wire scan.
  • Harp scan results
• While we were setting up for production after the harp scans, there was an issue with RF dropping out of HV. Beam has been down since then.
  • Downtime manager
• Alex A. added back the standard physics monitoring histograms to the rootspy GUI [1]
• Shift summaries
  • 0400-1000 29/09
  • 2200-0400 28-29/09
  • 1600-2200 28/09
  • 1000-1600 28/09
  • 0400-1000 28/09

Issues

• Shoulder in y-distribution from radiator harp scan

Plan

• Once beam is back, re-do harp scans.
• Continue taking production data on LHe at 200nA today and over the weekend.

Thursday, September 29

Past 24 hours

• Helium target was filled around 1:15PM yesterday.
• 2.5B triggers collected on helium target so far.
  • Last run group: Empty Target PS triggers accounted for 33% of Empty+Full data set.
• Currently taking cosmics.
• Shift summaries
  • 0400-1000 29/09
  • 2200-0400 28-29/09
  • 1600-2200 28/09
  • 1000-1600 28/09
  • 0400-1000 28/09

Issues

• 1.5hr downtime overnight from CPS breaker trip.
• FCAL Base lockup reset

Plan

• Maintenance Day
  • Hall in controlled access.
  • Walkthrough training at 10AM.
• When beam is back, we will continue taking production data on LHe at 200nA.