Difference between revisions of "Run Planning Meeting Notes, September 16 - September 23, 2021"
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#** Glueon03 froze at 15:00, VNC session dropped, hard power cycle required. https://logbooks.jlab.org/entry/3909286 | #** Glueon03 froze at 15:00, VNC session dropped, hard power cycle required. https://logbooks.jlab.org/entry/3909286 | ||
#*** hdops login uncsuccesful, fixed itself 30 mins later | #*** hdops login uncsuccesful, fixed itself 30 mins later | ||
− | #*** Instruction on restarting VNC session | + | #*** Instruction on restarting VNC session: https://logbooks.jlab.org/entry/3909587 |
# Near future plan: | # Near future plan: | ||
#* Complete target installation. | #* Complete target installation. | ||
#* Go back to production/calibration. | #* Go back to production/calibration. |
Revision as of 08:38, 21 September 2021
<- Back to Run Coordination Meetings:Summer2021
Contents
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.
Monday, September 20
- Weekend operation:
- Snake scan with CCAL check up:
- Hall C on: Close slit, turning off laser. Hall C bleedthrough only
- Hall C off: Open slit, 2nA beam.
- PSC < 20, CCAL_total < 400k.
- TAGM checkout completed (by Richard): https://logbooks.jlab.org/entry/3908199
- CCAL exposed to direct 100 uA beam for 4-5 mins, damage assessment?
- Four hours Stable TAC run (TAC + CCAL): Run 80603
- 1.5 hour stable TAC run (CCAL Only): Run 80693
- Snake scan with CCAL check up:
- Issues:
- Tagget magnet NMR not locking: https://logbooks.jlab.org/entry/3906202
- Near future plan:
- Hall C tune beam for three hours starting at 10 am, TAC run?
- Beryllium target installation on Tuesday
- Full target installation schedule: https://logbooks.jlab.org/entry/3909024
- 6:30am, Beam off.
- 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
- Tuesday night beam ?
- Access during target installation work:
- Limited spot avaliable. Contact shift leader before arriving.
- Target work at highest priority; then FCAL work.
- Accelerator maintenance day will not be on Tuesday.
- Radcon can't support Hall A dump work in parallel with maintenance day.
Tuesday, September 21
- In last 24 hours,:
- Final round of Snake Scan with CCAL
- Status report?
- Current:
- Hall is open since 7:30 (one hour late as planned), Radcon support at 7:45.
- 11:00 is better for the FCAL work (currently 9 people in the hall)
- Accelerator:
- Injector issue. Hall C is down due to a magnet issue. RF issue with 1L05.
- Final round of Snake Scan with CCAL
- Issues:
- Tagget magnet NMR not locking: https://logbooks.jlab.org/entry/3906202
- FCAL Bases issue: https://logbooks.jlab.org/entry/3909159
- Bleed-through discussion
- RF timing check: https://logbooks.jlab.org/entry/3909729
- Picket Fence for PS: https://logbooks.jlab.org/entry/3909777
- Remote shift issue
- Glueon03 froze at 15:00, VNC session dropped, hard power cycle required. https://logbooks.jlab.org/entry/3909286
- hdops login uncsuccesful, fixed itself 30 mins later
- Instruction on restarting VNC session: https://logbooks.jlab.org/entry/3909587
- Glueon03 froze at 15:00, VNC session dropped, hard power cycle required. https://logbooks.jlab.org/entry/3909286
- Near future plan:
- Complete target installation.
- Go back to production/calibration.