Run Planning Meeting Notes, September 14 - September 21, 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

Thursday, September 15

Past 24 Hours

• Maintenance day
• Work done in hall:
  • FCAL Base replacement (Malte)
  • Installation of setup in PS for GEM-TRD
  • Solenoid Relief Membrane was fixed https://logbooks.jlab.org/entry/4041420
  • Beam restoration expected around 8:00PM
  • LHe target is FULL at ~2:30pm https://logbooks.jlab.org/entry/4041464
    • Harp Scan https://logbooks.jlab.org/entry/4041653

• Shift summaries:
  • 1600-2200 09/14
  • 2200-0400 09/14-09/15
  • 0400-1000 09/15

Plan

• Take production data at 200nA with Full target
• Trigger rate scan today ???

Friday, September 16

Past 24 Hours

• Production data at 200nA on the liquid He target.
  • CCAL HV adjustmenmt https://logbooks.jlab.org/entry/4041832

• Shift summaries:
  • [ https://logbooks.jlab.org/entry/4041730 0400-1000]
  • [ https://logbooks.jlab.org/entry/4041802 1000-1600 09/15]
  • [ https://logbooks.jlab.org/entry/4042067 1600-2200 09/15]
  • [ https://logbooks.jlab.org/entry/4042150 2200-0400 09/15-09/16]
  • [ https://logbooks.jlab.org/entry/4042254 0400-1000 09/16]

Issues

• https://halldweb.jlab.org/wiki/ was down from evening ~22:30, around 8:20 contacted to CCenter, during the phone call the wiki page was restored
• No plots on RootSpy https://logbooks.jlab.org/entry/4042264 FIXED now (David)

Plan

• Continue taking production data at 200nA with Full target

Saturday, September 17

Past 24 hours

• Production data at 200nA on the liquid He target.
  • ~3.5B total triggers collected last 24 hours
• Beam was OFF for ~1pm to 18:10pm, during the down time works been done in hall
  • Sergey replaced some RF modules in FDC
  • Malte fixed 2 FCAL bases
  • Konda worked on GEM-TRD

• Shift summaries:
  • 0400-1000 09/16
  • 1000-1600 09/16
  • 1600-2200 09/16
  • 2200-0400 09/16-09/17
  • 0400-1000 09/17

Plan

• Continue taking production data at 200nA on LHe.

Sunday, September 18

Past 24 hours

• Production data at 200nA on the liquid He target.
  • ???B total triggers collected last 24 hours
• Beam was OFF for ~12:00pm to 22:30
• Then from ~05:30 till about 12:00pm
• After beam is back harp scan was performed
  • RF HPA (transformer) broken

• Shift summaries:
  • 0400-1000 09/17
  • 1000-1600 09/17
  • 1600-2200 09/17
  • 2200-0400 09/17-09/18
  • 0400-1000 09/18

Issues

• No major issues in the Hall
• Some Fcal channels were alarming (contacted to Malte)
• RF issues from ACC site

Plan

• Continue taking production data at 200nA on LHe.

Monday, September 19

Past 24 hours

• Production data at 200nA on the liquid He target.
• Beam was OFF for ~5:30am to 12:00pm
• After beam is back harp scan was performed

• Shift summaries:
  • 0400-1000 09/18
  • 1000-1600 09/18
  • 1600-2200 09/18
  • 2200-0400 09/18-09/19
  • 0400-1000 09/19

Issues

• No major issues in the Hall
• Some Fcal channels were alarming
• Daq crashed once over the weekend
• Sergey and Sasha changed Daq configuration to high luminosity mode

Plan

• Switch to Empty Target, production data at 200nA.
• There have been a couple of beam extended down time over the weekend (overall>24hours), will decide today should we move to empty target
• from 7:45 meeting -> probably there will be RF recovery on Tuesday during ACC entire day shift
• Solenoid Relief Membrane work (Tuesday), need to ramp dawn magnet to ~800A

Tuesday, September 20

Past 24 hours

• Production data at 200nA on EMPTY target.
• Switched to Empty Target 9:00am (Sep-19)
• Beam was not stable, couple extended down times
• After beam is back harp scan was performed (12:50pm)

• Shift summaries:
  • https://logbooks.jlab.org/entry/4043906 0400-1000 09/19]
  • https://logbooks.jlab.org/entry/4044028 1000-1600 09/19]
  • https://logbooks.jlab.org/entry/4044179 1600-2200 09/19]
  • https://logbooks.jlab.org/entry/4044213 2200-0400 09/19-09/20]
  • https://logbooks.jlab.org/entry/4044302 0400-1000 09/20]

Issues

• No major issues in the Hall
• around 4:50am the AC was acted very slow when beam was back (Beni)

Plan

• RF Recovery Day (Day shift)
• Switch back to Full LHe Target, production data at 200nA.
• After hall is surveyed at ~8:30ish, stay in Controlled access
• Solenoid Relief Membrane work (Tuesday), need to ramp dawn magnet to ~800A (Tim)
• Work on FCAL bases (Malte)
• Check AC status (Beni)
• Work on GEM-TRD (Kondo)

Wednesday, September 21

Past 24 hours

• RF recovery day
• Solenoid Relief Membrane work (Tuesday), magnet ramped down to ~800A and then ramped up to it's nominal 1350A (Tim)
• Check AC status (Beni)
• Work on GEM-TRD (Kondo)
• Switched Target to Full
• From 7:45 meeting issues related to AC Y-pos. Generic orbit locks acting slowly, may be the cause, will investigate Jay Benesch
• Beam was back ~21:30, shift crews were instructed to ask MCC, before beam delivery make sure the orbit locks are ON
• Harp Scan
• Production data at 200nA on LHe target.

• Shift summaries:
  • 0400-1000 09/20
  • 1000-1600 09/20
  • 1600-2200 09/20
  • 2200-0400 09/20-09/21
  • 0400-1000 09/21

Issues

• No major issues in the Hall
• Lumi monitor was down at around 2:26am (Alexander/Hovanes) https://logbooks.jlab.org/entry/4044768

Plan

• Continue taking production data at 200nA on Full LHe Target.
• MCC will test new Orbit Locks for 5C11B and AC, they will contact to us prior to do this test