Difference between revisions of "Run Planning Meeting Notes, December 7 - December 14, 2022"

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[https://logbooks.jlab.org/book/hdlog Hall D Logbook]
 
[https://logbooks.jlab.org/book/hdlog Hall D Logbook]
 +
 +
= Manday Dec. 12th =
 +
=== Last 24h ===
 +
*We were running pretty smoothly, with no major issues
 +
*Took LHe data for ~13B events from switching to Full target
 +
 +
=== Shift Summaries ===
 +
*Day shift 12/11 10:00-16:00 https://logbooks.jlab.org/entry/4099939
 +
*Swing shift 12/11 16:00-22:00 https://logbooks.jlab.org/entry/4100030
 +
*OWL 12/11-12/12 22:00-04:00 https://logbooks.jlab.org/entry/4100109
 +
*Early Riser 12/10 04:00-10:00 https://logbooks.jlab.org/entry/4100222
 +
 +
=== Issues ===
 +
*Two FCAL bases are still locking up, Malte told these two bases needs to be replaced, waiting for some opportunistic "Rapid Access" to let him replace the bases
 +
*Over the weekend there was total of ~3.5hrs beam down time caused by some trim cards in South Linac
 +
*Today morning ~7:30am Hydra stopped showing the plots
 +
*Tagger NMR - Communication loss https://logbooks.jlab.org/entry/4100279 
 +
 +
=== Short term run plan ===
 +
*NO Maintenance day planned for Accelerator, they have only one task to do for ~1hr in this week, but not sure when it will be done
 +
*Switch to EMPTY Target or do a low intensity run at 100nA beam current, and collect data on LHe FULL target at 200nA beam
  
 
= Sunday Dec. 11th =
 
= Sunday Dec. 11th =
 
=== Last 24h ===
 
=== Last 24h ===
 
*We were running pretty smoothly, with no major issues  
 
*We were running pretty smoothly, with no major issues  
−
*Took LHe data for ~8.52B events from switching to Full target, and ~2.4B events from yesterday
+
*Took LHe data for ~10B events from switching to Full target, and ~3B events from yesterday
  
 
=== Shift Summaries ===
 
=== Shift Summaries ===
 
*Day shift 12/10 10:00-16:00 https://logbooks.jlab.org/entry/4099578
 
*Day shift 12/10 10:00-16:00 https://logbooks.jlab.org/entry/4099578
 
*Swing shift 12/10 16:00-22:00 https://logbooks.jlab.org/entry/4099659
 
*Swing shift 12/10 16:00-22:00 https://logbooks.jlab.org/entry/4099659
−
*OWL 12/09-12/10 22:00-04:00 https://logbooks.jlab.org/entry/4099762
+
*OWL 12/10-12/11 22:00-04:00 https://logbooks.jlab.org/entry/4099762
−
*Early Riser 12/10 04:00-10:00 https://logbooks.jlab.org/entry/4099847
+
*Early Riser 12/11 04:00-10:00 https://logbooks.jlab.org/entry/4099847
  
 
=== Issues ===
 
=== Issues ===
 
*Two FCAL bases are still locking up, Malte told these two bases needs to be replaced, waiting for some opportunistic "Rapid Access" to let him replace the bases
 
*Two FCAL bases are still locking up, Malte told these two bases needs to be replaced, waiting for some opportunistic "Rapid Access" to let him replace the bases
 
*Over the weekend there was total of ~3.5hrs beam down time caused by some trim cards in South Linac  
 
*Over the weekend there was total of ~3.5hrs beam down time caused by some trim cards in South Linac  
 +
*Beam current was fluctuating between 185-190nA informed MCC, they fixed it
  
 
=== Short term run plan ===
 
=== Short term run plan ===
Line 28: Line 50:
 
=== Last 24h ===
 
=== Last 24h ===
 
*We were running pretty smoothly, no major issues  
 
*We were running pretty smoothly, no major issues  
−
*Took LHe data for ~6.1B events from yesterday
+
*Took LHe data for ~7.1B events from yesterday
−
*Took TAC runs, starting from ~15:00 till 0:00, it took a bit longer because of unstable beam conditions, but at the end we were able to collect some good data
+
*Took TAC runs, starting from ~15:00 till 0:00, it took a bit longer because of unstable beam conditions, but at the end we were able to collect some good data https://logbooks.jlab.org/entry/4100110
 
*At ~23:40 started filling target {notified target experts to keep an eye on it} to switch to normal production run with 200nA beam  
 
*At ~23:40 started filling target {notified target experts to keep an eye on it} to switch to normal production run with 200nA beam  
 
*From 0:00 switched to normal production with LHe FULL target
 
*From 0:00 switched to normal production with LHe FULL target
Line 49: Line 71:
 
=== Last 24h ===
 
=== Last 24h ===
 
*We were running pretty smoothly, no major issues  
 
*We were running pretty smoothly, no major issues  
−
*Took LHe data for ~3.4B events from yesterday
+
*Took LHe data for ~4.1B events from yesterday
 
*Hall-A during today will run at low current 1-µA for Moller measurements, and during weekend they will resume running at 36µA
 
*Hall-A during today will run at low current 1-µA for Moller measurements, and during weekend they will resume running at 36µA
  

Revision as of 09:40, 12 December 2022

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

MCC whiteboard

Hall D counting room white board

Hall D Logbook

Manday Dec. 12th

Last 24h

  • We were running pretty smoothly, with no major issues
  • Took LHe data for ~13B events from switching to Full target

Shift Summaries

Issues

  • Two FCAL bases are still locking up, Malte told these two bases needs to be replaced, waiting for some opportunistic "Rapid Access" to let him replace the bases
  • Over the weekend there was total of ~3.5hrs beam down time caused by some trim cards in South Linac
  • Today morning ~7:30am Hydra stopped showing the plots
  • Tagger NMR - Communication loss https://logbooks.jlab.org/entry/4100279

Short term run plan

  • NO Maintenance day planned for Accelerator, they have only one task to do for ~1hr in this week, but not sure when it will be done
  • Switch to EMPTY Target or do a low intensity run at 100nA beam current, and collect data on LHe FULL target at 200nA beam

Sunday Dec. 11th

Last 24h

  • We were running pretty smoothly, with no major issues
  • Took LHe data for ~10B events from switching to Full target, and ~3B events from yesterday

Shift Summaries

Issues

  • Two FCAL bases are still locking up, Malte told these two bases needs to be replaced, waiting for some opportunistic "Rapid Access" to let him replace the bases
  • Over the weekend there was total of ~3.5hrs beam down time caused by some trim cards in South Linac
  • Beam current was fluctuating between 185-190nA informed MCC, they fixed it

Short term run plan

  • Take data on LHe FULL target at 200nA beam

Saturday Dec. 10th

Last 24h

  • We were running pretty smoothly, no major issues
  • Took LHe data for ~7.1B events from yesterday
  • Took TAC runs, starting from ~15:00 till 0:00, it took a bit longer because of unstable beam conditions, but at the end we were able to collect some good data https://logbooks.jlab.org/entry/4100110
  • At ~23:40 started filling target {notified target experts to keep an eye on it} to switch to normal production run with 200nA beam
  • From 0:00 switched to normal production with LHe FULL target

Shift Summaries

Issues

  • There was issues with DAQ, needed to restart it for couple of times, until it stays "ON"
  • Two FCAL bases are locking up, Malte told these two bases needs to be replaced, waiting for some opportunistic "Rapid Access" to let him replace the bases

Short term run plan

  • Take data on LHe FULL target at 200nA beam

Friday Dec. 9th

Last 24h

  • We were running pretty smoothly, no major issues
  • Took LHe data for ~4.1B events from yesterday
  • Hall-A during today will run at low current 1-µA for Moller measurements, and during weekend they will resume running at 36µA

Shift Summaries

Issues

  • Some FCAL bases were locked up

Short term run plan

  • Take data on LHe FULL target at 200nA beam
  • TAC run???
  • No RC meeting during weekend, next RC meeting will be on Monday Dec-12th

Thursday Dec. 8th

Last 24h

  • Wednesday was RF recovery day, Hall was in Controlled Access till ~6:30pm, many things where done during access in Hall.
    • Hall (Controlled Access):
      • Tim worked on Tagger magnet NMR [1]
      • Sasha replaced the BCAL fADC [2]
      • DIRC checkout (Justin+1).
      • Sasha, Vlad, Lubomir, Sergei and Arshak: work in the PS test area.
      • Sasha, Arshak and Malte did some preliminary noise level tests at FCAL
      • Mark Stevens: walkthrough for OPS.
      • Tim and Eugene checked the man-lift
      • Tim and Sasha checked by how much FCal can be pushed back (for some tentative PrimEx systematic measurements).
  • After beam comes back:

Shift Summaries

Issues

Short term run plan

  • TAC run? (may be on weekend)
  • Take date on LHe FULL target at 200nA beam
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