Run Planning Meeting Notes, July 28- August 3, 2022

Back to Run Coordination Meetings:Summer2022

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

MCC whiteboard

Hall D counting room white board

Spreadsheet with list of runs

Wednesday August 3

Past 24 hours

• Beam returns @ 10:00, take AMO run
• Switched to empty target @ 10:40
• Beam down since midnight due to RF
• Maintenance Day postponed (refrigerator work postponed)
• Josh and Scott make rapid access to check on helium bag pressure
• ~1.5B triggers

Shift Reports

• Day shift summary
• Swing shift summary
• Owl shift summary
• Early Riser shift summary

Reports

• AC Beam Position Variation (from yesterday)
• Main trigger yield increase [1], [2], [3]
• 5C11 Y-position lock turned on ~13:30[4]
• Coherent peak amplitude lower

Plans

• Production running on empty target until Thursday
• ESR work today with "moderate" risk to ESR service disruption
• Thursday morning, TAC run starting ~9am (7-8 hours, assuming stable beam)
• RF Recovery for 4hrs on Friday to prepare for weekend

Tuesday August 2

Past 24 hours

• Beam studies for Hall-C ~2hrs(=5+hrs)
• Empty target inserted
• FCAL base replacement
• Solenoid trip shortly after 16:00 [5],[6],[7],[8]
• Back to Pb target in preparation for FCAL pi0 calibration run while magnet ramps
• Beam returns ~2am
• Harp scans
• ~1.3B triggers

Shift Reports

• Day shift summary
• Swing shift summary
• Owl shift summary
• Early Riser shift summary

Issues

• Beam instabilities (seems better)
• Increased trigger rate Friday?

Plans

• Switch to empty target now
• Maintenance Day Wed. starting ~6:30am
• TAC run Thursday?

Monday August 1

Past 72 hours

• Fri: ~3.9B triggers
• Sat: ~3.0B triggers
• Sun: >2.5B triggers
• Half-wave plate moved out on Sunday afternoon
• RootSpy issues and here
• Counting house not host of zoom meeting log entry
• Gas shed key missing

Shift Reports

• Day shift summary
• Swing shift summary
• Owl shift summary
• Early Riser shift summary

Plans

• Switch to empty target during accelerator down time (>=2hr)
• Production running on empty target for 1.5 days

Sunday July 31

Shift Reports

• Day shift summary
• Swing shift summary
• Owl shift summary
• Early Riser shift summary

Saturday July 30

Shift Reports

• Day shift summary
• Swing shift summary
• Owl shift summary
• Early Riser shift summary

Friday July 29

Past 24 hours

• Thanks Rory for previous RC shift
• Beam studies during Day shift
• Mark D.: Safety walk-through
• Beni: CTOF repair, Mark: gain equalization
• Mark+Malte: FCAL repairs
• Beam returned ~16:30
• ~2.0B triggers

Shift Reports

• Day shift summary
• Swing shift summary
• Owl shift summary
• Early Riser shift summary

Reports

• Harp Scan Extrapolations

Plans

• Long mode run 1/2 hour
• Production running on Pb through weekend
• No meetings over weekend

Thursday July 28

Past 24 hours

• Beam returned ~ noon
• Harp scans
• Production data taking ~ 13:30
• ~2.9B triggers

Shift Reports

• Day shift summary
• Swing shift summary
• Owl shift summary
• Early Riser shift summary

Reports

• Harp scan 5C11B
• Harp scan 5C11

Plans

• Beam Studies today
• Hall-D Walk through - Mark D.
• CTOF PMT Repair - Beni Z.
• Production running on Pb when beam returns