RC meeting and Run Plan, Wednesday April 19th

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RC Meeting Information

RC: Jimmy Caylor

Useful Links

• MCC White Board
• Hall A Electronic Logbook
• Ops elog
• Experiment run plans
• Shift Schedule

Current Status

On the accelerator side:

--> Beam delivery is good when we take it

On the Hall side:

--> Hall sweep was completed just before 9 am

--> Techs quickly inserted the steel analyzer

--> Alex checked on DAQ and Jiwan on coin trigger window

--> Currently GEMs are turned off with issue with gas mixture. Need to wait for new mixture to stabilize until turning GEMs on with beam. Multi-hour process

Current Run Plan

• What to do with no GEMs for at least a few hours

--> BCM calibration?

GEN-RP KLL run plans

Notices in Effect for Shift Crew

• For controlled access call the RC and together you will fill out the Hall access checklist. [1]

• Please pay attention to BTM, incorrect accounting is happening

• Please fill out the shift checklist and notify RC if there are any issues

Current Issues

• GEM gas mixture needed changing

Planned Accesses to the Hall

• Shielding Bricks - opportunistic

Sub-systems

• SBS and BB magnets
• BB GEMs
• BB Grinch - https://logbooks.jlab.org/entry/4282816
• BB Cal:https
• BB scin:
• SBS GEMs
• SBS analyzer + RP hodo
• SBS HCAL
• DAQ: https
• Analysis
• Target
• Beam line
• Moller
• Raster