Run Planning Meeting Notes, September 16 - September 23, 2021
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Tuesday, September 16
- Last 24 hours:
- 5th Separator went well. Succifent Separatoion achieved.
- Shift started at 10 pm last night.
- Owl summary: https://logbooks.jlab.org/entry/3905917
- Early riser summary: https://logbooks.jlab.org/entry/3905955
- Beam is being setup/established to Hall D right now
- CW and three Hall operations are expected at the end of the day shift.
- Report/issue
- Remote shifter feedback on Blue Jeans connection: sound is intermittent. Currently, not workable. https://logbooks.jlab.org/entry/3905912
- TAGM scaler reset: https://logbooks.jlab.org/entry/3905724
- News on hydra
- PS Magnet is still turned off
- Run plan
- Wait for beam delivery. Begin experiment commissioning. Run plan
Friday, September 17
- Last 24 hours:
- Tune beam round yesterday noon. Good quality CW into the tagger at 15:00
- Day Shift summary: https://logbooks.jlab.org/entry/3906056
- Swing summary: https://logbooks.jlab.org/entry/3906229
- Owl summary: https://logbooks.jlab.org/entry/3906383
- Early Riser Summary: https://logbooks.jlab.org/entry/3906545
- Tune beam round yesterday noon. Good quality CW into the tagger at 15:00
- HARP Scan results: https://logbooks.jlab.org/entry/3906296
- Signal to background too high or pedestal shifted (require adjustment)? : https://logbooks.jlab.org/entry/3906283
- Tagger Gamma counter rate comparison: last night vs 2020 for same radiator: https://logbooks.jlab.org/entry/3906326
- Evident suggest pedestal for the Halo monitor shifted
- Empty target run overnight
- Without Active collimator
- Report/issue
- AC cable wired backward? : https://logbooks.jlab.org/entry/3906359
- Radcon is escorting Nick into the collimator cave for checking
- Counting house microphone issue:
- Improved significantly by the new microphone by Matt
- A longer USB to micro USB cable will further improve the remote shift experience
- AC cable wired backward? : https://logbooks.jlab.org/entry/3906359
- Run plan
- Run plan
- Complete beam configuration (Hovanes) after fixing Active collimator
- Detector checkout
- Contact persons: Rachard (): richard.t.jones@uconn.edu, Drew: andrew.p.smith@duke.edu , Sasha: andrew.p.smith@duke.edu, Igal: ijaegle@jlab.org , Tyler: .
- Low Current 2nA run this afternoon (during Mike's shift)
- Empty target run again overnight?
Saturday, September 18
- Last 24 hours:
- AC Fixed at 9:30 am
- Voltage cable was attached but not locked.
- Hovanes completed the last step of beam check at 2pm
- 2nA beam + bleedthrough to the Hall since then.
- slit close, laser off.
- Hall C at 70uA and constantly changing current between 50-70 uA
- AC Fixed at 9:30 am
- Overnight: snake scan.
- Present: snake scan ongoing.
- Shift Summary:
- Day Shift summary: https://logbooks.jlab.org/entry/3906717
- Swing summary: https://logbooks.jlab.org/entry/3906951
- Owl summary: https://logbooks.jlab.org/entry/3907241
- Early Riser Summary: https://logbooks.jlab.org/entry/3907457
- Issues:
- Counting house microphone issue:
- Good enough for now. Fin tweak needed. Remote shifters: please give feedback.
- Hall D epics gateway was dropped at 15:20, came back at 20:45. Lost 3 hours of epics data: https://logbooks.jlab.org/entry/3907119
- https://logbooks.jlab.org/entry/3907608
- Tagget magnet NMR not locking: https://logbooks.jlab.org/entry/3906202
- Counting house microphone issue:
- Run plan
- TAGM checkout to be completed (Richard)
- Beryllium target installation
- 6:30am, Beam.
- 7:00am- 7:30am, radcon survey of beamline target area.
- 7:30am- 8:00am, Survey & alignment setup
- 8:00am-8:30am, removing components (Target & start counter)
- 8:30am, Berylium target installaion by target group (with Imani's presents)
- Total work duration: 14 hours
- Currently planned for Monday.
- A Possibility of maintenance day on Tuesday.
- Should we shift target installation by 1 day?
- Injector tune-up to help bleed through.
- A Possibility of maintenance day on Tuesday.