October 24, 2022

RC Meeting Information

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RC Daily Meetings are at 11:00 (am) via Zoom and in person in the counting house meeting room (2nd floor)

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Useful Links

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• MCC White Board

Current Status

• SHMS: 8 degrees, -9.2 GeV, 1x, 2x 1-7 off
• HMS: 20 degrees, -5.36 GeV (setting 3)
• 5pass beam, 30 to 60uA

Run Plan

• Continue data taking.

Issues

• north LINAC LCW aperture water flow fault. https://logbooks.jlab.org/entry/4067383
• HMC Q1 interlock https://logbooks.jlab.org/entry/4067179
• UNSER temperature spikes every time target moves. https://logbooks.jlab.org/entry/4066193 https://logbooks.jlab.org/entry/4066203
• SHMS prescaler GUI not responding https://logbooks.jlab.org/entry/4066217
• SHMS CODA crash. https://logbooks.jlab.org/entry/4066486
• SHMS angle camera broke https://logbooks.jlab.org/entry/4067379
  • go with 4 million events per run to reduce time spent on CODA restart
  • splitting evio file for faster decoding?

Notes

• watch beam stability
• need more shift workers.

To do

• Install Q1 SHMS vacuum gauge (~3hr)
• calibrate SHMS Dipole LN2 valve during next access https://logbooks.jlab.org/entry/4064490. For now, monitor the ice accumulation if any https://logbooks.jlab.org/entry/4064528