Difference between revisions of "Run Planning Meeting Notes, November 30 - December 7, 2022"

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Back to [[Run Coordination Meetings:Fall2022]]
 
Back to [[Run Coordination Meetings:Fall2022]]
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= Wednesday Dec. 7th =
 +
=== Last 24h ===
 +
*Tuesday was spent running on empty target. Beam was down between 9:45am to 15:00 due to several accelerator issues. In all, we still got 15.5h of ABU (7am - 7am).
 +
 +
=== Reports ===
 +
*
 +
 +
=== Issues ===
 +
*Tagger magnetic field:
 +
**Starting at, 3:45am [https://logbooks.jlab.org/entry/4097349 Tagger NMR lost its lock.] Then latter, [https://logbooks.jlab.org/entry/4097656 it lost communication]
 +
**[https://logbooks.jlab.org/entry/4097873 At the same time we lost communication with NMR, we also lost communication with accurate magnet current readout (MTAG5Cdctt), but the coarser one (MTAG5CM) still seems to be alive on EPICS main screen, so we are using this one to monitor the tagger magnet status. Comparison between energy monitorings after Hall D ramp and after the tagger magnet also shows that the tagger field is fine.]
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*[https://logbooks.jlab.org/entry/4097374 BCAL bad channels]
 +
 +
=== Short term run plan ===
 +
*Work during Today's RF recovery (from 8am to 4pm):
 +
**Hall (Rapid Access should be sufficient):
 +
***DIRC checkout (Justin+1, 30min).
 +
***Mark Dalton, to change one of the BCal fadc (30min).
 +
***A. Somov, Vlad, Lubomir, Sergei and Arshak: work in the PS test area (~1h).
 +
***Mark Steven: walkthrough for OPS.
 +
***Tim and Eugene will check the manlift (30min)
 +
***Tim and Sacha will check by how much FCal can be pushed back (for some tentative PrimEx systematic measurements).
 +
**Tagger:
 +
***Modules tested by Beni Saturday needs to be screwed back in.
 +
***Two broken power supplies need to be surveyed and (hopefully) cleared for release by RadCon.
 +
**Facility wants to get into the tagger to change a light bulb.
 +
*After beam comes back:
 +
**Harp Scans
 +
**Run on full target
 +
 +
=== Tentative longer term run plan ===
 +
*TAC run?
 +
*Luminosity study?
 +
*Fall 2022 run period ends on Dec. 19th, 7am.
 +
 +
= Tuesday Dec. 6th =
 +
=== Last 24h ===
 +
*Monday was very efficient, with 20h of ABU (7am - 7am), and beamtime spent on production on full target until 16:30 and then run on empty target.
 +
 +
=== Reports ===
 +
*Update on electronic support? (Eugene)
 +
 +
=== Issues ===
 +
*
 +
 +
=== Short term run plan ===
 +
*Work Wednesday during RF recovery (from 8am to 4pm):
 +
**Hall (Rapid Access should be sufficient):
 +
***DIRC checkout (Justin+1, 30min).
 +
***Mark Dalton, to change one of the BCal fadc (30min).
 +
***A. Somov, Vlad, Lubomir, Sergei and Arshak: work in the PS test area (~1h).
 +
***Mark Steven: walkthrough for OPS.
 +
***Tim and Eugene will check the manlift (30min)
 +
***Tim and Sacha will check bu how much FCal can be pushed back (for some tentative PrimEx systematic measurements).
 +
**Tagger:
 +
***Modules tested by Beni Saturday needs to be screwed back in.
 +
***Two broken power supplies need to be surveyed and (hopefully) cleared for release by RadCon.
 +
 +
=== Tentative longer term run plan ===
 +
*TAC run?
 +
*Luminosity study?
 +
*Fall 2022 run period ends on Dec. 19th, 7am.
  
 
= Monday Dec. 5th =
 
= Monday Dec. 5th =
 
=== Last 72h ===
 
=== Last 72h ===
 
*Friday, Saturday and Sunday were spent mostly with production on full target.  49 of ABU (Sat.7am - Monday 7am).
 
*Friday, Saturday and Sunday were spent mostly with production on full target.  49 of ABU (Sat.7am - Monday 7am).
−
*Biggest ABU loss occurred Saturday due to a dead hodoscope crate. Fixing it took a long time because we have no off-work-hours electronic support (see report below).
+
*Biggest ABU loss occurred Saturday due to a dead hodoscope HV crate. Fixing it took a long time because we have no off-work-hours electronic support (see report below).
 
*Hall C re-started running Friday around 8pm. Now Hall A, C and D are running concurrently.
 
*Hall C re-started running Friday around 8pm. Now Hall A, C and D are running concurrently.
  
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*Friday:~1h Hall Rapid Access between 11am and 12:10pm to [https://logbooks.jlab.org/entry/4094214 change a dying FCal basis (Malte/Mark Dalton)] and [https://logbooks.jlab.org/entry/4094220 check the possibly faulty FDC fADC that had been installed Wednesday. It was eventually not replaced (Lubomir)]. Also, RadCon surveyed some modules that needed to be taken out of the Hall.
 
*Friday:~1h Hall Rapid Access between 11am and 12:10pm to [https://logbooks.jlab.org/entry/4094214 change a dying FCal basis (Malte/Mark Dalton)] and [https://logbooks.jlab.org/entry/4094220 check the possibly faulty FDC fADC that had been installed Wednesday. It was eventually not replaced (Lubomir)]. Also, RadCon surveyed some modules that needed to be taken out of the Hall.
 
*Friday 18:20: [https://gryphn.phys.uconn.edu/halld/cobrems/harptool_2d.cgi?harp5C11_xsigma=1.004&harp5C11_xsigma_err=0.03&harp5C11_usigma=1.058&harp5C11_usigma_err=0.03&harp5C11_ysigma=1.004&harp5C11_ysigma_err=0.03&harp5C11B_xsigma=0.8442&harp5C11B_xsigma_err=0.05&harp5C11B_usigma=0.9786&harp5C11B_usigma_err=0.05&harp5C11B_ysigma=0.9881&harp5C11B_ysigma_err=0.15&radHarp_xsigma=0.8038&radHarp_xsigma_err=0.02&radHarp_usigma=0.7133&radHarp_usigma_err=0.02&radHarp_ysigma=0.8519&radHarp_ysigma_err=0.02&harp5C11_spos=102.97&harp5C11B_spos=115.11&emittance_x=0.0041&radHarp_spos=119.7&emittance_y=0.00233&collimator_spos=194.92&fit=fit+and+plot Harp scans (first ones since 11 days). Beam profiles looks good. (Hovanes)]
 
*Friday 18:20: [https://gryphn.phys.uconn.edu/halld/cobrems/harptool_2d.cgi?harp5C11_xsigma=1.004&harp5C11_xsigma_err=0.03&harp5C11_usigma=1.058&harp5C11_usigma_err=0.03&harp5C11_ysigma=1.004&harp5C11_ysigma_err=0.03&harp5C11B_xsigma=0.8442&harp5C11B_xsigma_err=0.05&harp5C11B_usigma=0.9786&harp5C11B_usigma_err=0.05&harp5C11B_ysigma=0.9881&harp5C11B_ysigma_err=0.15&radHarp_xsigma=0.8038&radHarp_xsigma_err=0.02&radHarp_usigma=0.7133&radHarp_usigma_err=0.02&radHarp_ysigma=0.8519&radHarp_ysigma_err=0.02&harp5C11_spos=102.97&harp5C11B_spos=115.11&emittance_x=0.0041&radHarp_spos=119.7&emittance_y=0.00233&collimator_spos=194.92&fit=fit+and+plot Harp scans (first ones since 11 days). Beam profiles looks good. (Hovanes)]
 +
 +
=== Issues ===
 +
*Friday:[https://logbooks.jlab.org/entry/4094108 timing shift], also [https://logbooks.jlab.org/entry/4095396 Sunday]. [https://logbooks.jlab.org/entry/4095647 Sean and Alex Somov looked at it]. Who is the Analysis Coordinator when Alex A. is away?
 +
*Friday/Saturday: [https://logbooks.jlab.org/entry/4094734 Beam locks sometime do not work and the beam transmission drops. (Plot for Saturday,~6am. It also happened Friday around 11:50pm)]  [https://logbooks.jlab.org/entry/4094674 MCC explains that when Hall C is off or ramping up.] ([https://logbooks.jlab.org/entry/4094782 I also saw this instance Friday at 1pm when Hall A was ramping up, although at the time, I wondered if it was just a coincidence).] The crew chief was made aware of it and found a solution.
 
*Saturday: [https://logbooks.jlab.org/entry/4094831 At 10:14am, a crate for the hodoscope HV died], [https://logbooks.jlab.org/entry/4094842 compromising 120 chanels on the photon high energy side.]
 
*Saturday: [https://logbooks.jlab.org/entry/4094831 At 10:14am, a crate for the hodoscope HV died], [https://logbooks.jlab.org/entry/4094842 compromising 120 chanels on the photon high energy side.]
 
**The first diagnostic from the Hodoscope main expert was that the lost information was not critical for the experiment, so we continued running for about 30min until Igal informed us that the data was not usable in these conditions.
 
**The first diagnostic from the Hodoscope main expert was that the lost information was not critical for the experiment, so we continued running for about 30min until Igal informed us that the data was not usable in these conditions.
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**After Beni saved the day (the week-end), we could restart data taking around 17:00.
 
**After Beni saved the day (the week-end), we could restart data taking around 17:00.
 
**[https://logbooks.jlab.org/entry/4095474  The power for Tagger halo monitors was on the crate that died. The halo monitors thus went off around 10:15am and were restarted only Sunday at 8:30am (this issue was noted only Sunday by the Early Riser shift, and acted upon after RC was informed around 8:30).
 
**[https://logbooks.jlab.org/entry/4095474  The power for Tagger halo monitors was on the crate that died. The halo monitors thus went off around 10:15am and were restarted only Sunday at 8:30am (this issue was noted only Sunday by the Early Riser shift, and acted upon after RC was informed around 8:30).
−
*Sunday morning: [https://logbooks.jlab.org/entry/4095396} RF timing shift after DAQ restart].
 
−
 
−
=== Issues ===
 
−
*Friday:[https://logbooks.jlab.org/entry/4094108 timing shift], also [https://logbooks.jlab.org/entry/4095396 Sunday]. [https://logbooks.jlab.org/entry/4095647 Sean and Alex Somov looked at it].
 
−
*Friday/Saturday: [https://logbooks.jlab.org/entry/4094734 Beam locks sometime do not work and the beam transmission drops. (Plot for Saturday,~6am. It also happened Friday around 11:50pm)]  [https://logbooks.jlab.org/entry/4094674 MCC explains that when Hall C is off or ramping up.] ([https://logbooks.jlab.org/entry/4094782 I also saw this instance Friday at 1pm when Hall A was ramping up, although at the time, I wondered if it was just a coincidence).] => Watch carefully the beam position.
 
 
*Sunday: [https://logbooks.jlab.org/entry/4095457 gluon03 logged out for some reason and usual hdops pwd did not allowed to log back].
 
*Sunday: [https://logbooks.jlab.org/entry/4095457 gluon03 logged out for some reason and usual hdops pwd did not allowed to log back].
 
*Sunday: [https://logbooks.jlab.org/entry/4095416 Remote Connection from newer Macs OS]
 
*Sunday: [https://logbooks.jlab.org/entry/4095416 Remote Connection from newer Macs OS]
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=== Short term run plan ===
 
=== Short term run plan ===
−
*Empty target runs?
+
*Empty target run?
−
*If beam is off, we have opportunistic work:
+
*Wednesday during RF recovery (Control Access should be sufficient):
−
**Beam off for more than 1h: rapid access for A. Somov, Vlad and Harshak for oportunistic work in the PS test area.
+
**DIRC work.
 +
**Beam off for more than 1h: rapid access for A. Somov, Vlad, Lubomir, Sergei and Arshak for oportunistic work in the PS test area.
  
 
=== Tentative longer term run plan ===
 
=== Tentative longer term run plan ===
−
*Possible RF recovery Wednesday Dec. 7th.  
+
*8h of RF recovery Wednesday Dec. 7th, from 8am to 4pm.  
 
*TAC run?
 
*TAC run?
 
*Luminosity study?
 
*Luminosity study?
 +
*Fall 2022 run period ends on Dec. 19th, 7am.
  
 
= Friday Dec. 2nd =
 
= Friday Dec. 2nd =

Latest revision as of 10:27, 7 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

Back to Run Coordination Meetings:Fall2022

Wednesday Dec. 7th

Last 24h

  • Tuesday was spent running on empty target. Beam was down between 9:45am to 15:00 due to several accelerator issues. In all, we still got 15.5h of ABU (7am - 7am).

Reports

Issues

Short term run plan

  • Work during Today's RF recovery (from 8am to 4pm):
    • Hall (Rapid Access should be sufficient):
      • DIRC checkout (Justin+1, 30min).
      • Mark Dalton, to change one of the BCal fadc (30min).
      • A. Somov, Vlad, Lubomir, Sergei and Arshak: work in the PS test area (~1h).
      • Mark Steven: walkthrough for OPS.
      • Tim and Eugene will check the manlift (30min)
      • Tim and Sacha will check by how much FCal can be pushed back (for some tentative PrimEx systematic measurements).
    • Tagger:
      • Modules tested by Beni Saturday needs to be screwed back in.
      • Two broken power supplies need to be surveyed and (hopefully) cleared for release by RadCon.
    • Facility wants to get into the tagger to change a light bulb.
  • After beam comes back:
    • Harp Scans
    • Run on full target

Tentative longer term run plan

  • TAC run?
  • Luminosity study?
  • Fall 2022 run period ends on Dec. 19th, 7am.

Tuesday Dec. 6th

Last 24h

  • Monday was very efficient, with 20h of ABU (7am - 7am), and beamtime spent on production on full target until 16:30 and then run on empty target.

Reports

  • Update on electronic support? (Eugene)

Issues

Short term run plan

  • Work Wednesday during RF recovery (from 8am to 4pm):
    • Hall (Rapid Access should be sufficient):
      • DIRC checkout (Justin+1, 30min).
      • Mark Dalton, to change one of the BCal fadc (30min).
      • A. Somov, Vlad, Lubomir, Sergei and Arshak: work in the PS test area (~1h).
      • Mark Steven: walkthrough for OPS.
      • Tim and Eugene will check the manlift (30min)
      • Tim and Sacha will check bu how much FCal can be pushed back (for some tentative PrimEx systematic measurements).
    • Tagger:
      • Modules tested by Beni Saturday needs to be screwed back in.
      • Two broken power supplies need to be surveyed and (hopefully) cleared for release by RadCon.

Tentative longer term run plan

  • TAC run?
  • Luminosity study?
  • Fall 2022 run period ends on Dec. 19th, 7am.

Monday Dec. 5th

Last 72h

  • Friday, Saturday and Sunday were spent mostly with production on full target. 49 of ABU (Sat.7am - Monday 7am).
  • Biggest ABU loss occurred Saturday due to a dead hodoscope HV crate. Fixing it took a long time because we have no off-work-hours electronic support (see report below).
  • Hall C re-started running Friday around 8pm. Now Hall A, C and D are running concurrently.

Reports

Issues

Short term run plan

  • Empty target run?
  • Wednesday during RF recovery (Control Access should be sufficient):
    • DIRC work.
    • Beam off for more than 1h: rapid access for A. Somov, Vlad, Lubomir, Sergei and Arshak for oportunistic work in the PS test area.

Tentative longer term run plan

  • 8h of RF recovery Wednesday Dec. 7th, from 8am to 4pm.
  • TAC run?
  • Luminosity study?
  • Fall 2022 run period ends on Dec. 19th, 7am.

Friday Dec. 2nd

Last 24h

  • Thursday was spent mostly with production on full target. It was an efficient day, with 17.8h of ABU (7am-7am).
  • A. Somov did a low beam current test of the Active Colim. high gain in anticipation of a future TAC run. It looks good.
  • Hall C was supposed to get back to running in mid-swing shift, which would be followed by us doing Harp scans (last ones done: Oct. 21st), but it did not happen (Hall C vacuum issue).

Reports

Issues

  • The FDC fadc installed Wednesday by Naomi and Lubomir needed baseline calibration. Done during swing shift (Sergei/Lubomir).
  • cdc p_diff alarms are becoming rarer: 1 (day shift) + 1 (swing shift) + 0 reported in owl shift + 1 early riser.

Short term run plan

  • Hall C is expected to be back to running ??at some point??.
  • Harp scan after Hall C beam is tuned (last harps done on Nov. 21st, but Transmission is fine.)
  • FDC fadc: 20 min raw mode run with beam. Beni will analyse it and determine if the fadc needs to be replaced
  • If beam is off, we have opportunistic work:
    • Beam off for more than 1h: rapid access for A. Somov and Vlad for ??
    • Beam off for more than 2h: rapid access for Lubomir or Beni IF FDC fadc needs to be changed
    • Beam off for more than 2h and RadCon is available, need to survey fadc to removed them from the Hall (Lubomir/Codi)

Tentative longer term run plan

  • Possible RF recovery Wednesday Dec. 7th.
  • TAC run
  • Luminosity study

Thursday Dec. 1st

Last 24h

Reports

Issues

  • The new FDC fadc is worst than the one replaced (Naomi/Lubomir). The problem is only for raw mode run.
  • Many cdc p_diff alarms (e.g. 0.8 alarm/hour during swing and owl shifts) leading to runs often shorter than 2h (this has already been discussed several time. This is just a report).

Run plan

  • Hall C is expected to be back to running during swing shift today.
  • 20 min test at low beam current/high Active Colim. gain to see if adjustment are needed (A. Somov)?
  • Last harp scan was done on Nov. 21st. Should we do a new one? (Transmission is fine.)
  • Luminosity study?
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