Difference between revisions of "Run Planning Meeting Notes, August 25 - August 31, 2022"
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Back to [[Run Coordination Meetings:Fall2022]] | Back to [[Run Coordination Meetings:Fall2022]] | ||
+ | |||
+ | = Wednesday, August 31 = | ||
+ | === Past 24 hours === | ||
+ | * [https://logbooks.jlab.org/entry/4035734 TAGM HV scan] (Richard) | ||
+ | ** Beam profiler used instead of AC | ||
+ | * [https://logbooks.jlab.org/entry/4035729 AC] (Nick & Richard) | ||
+ | * [https://logbooks.jlab.org/entry/4035702 Solenoid B-field ramp down at 10 am] and [https://logbooks.jlab.org/entry/4035750] | ||
+ | * [https://logbooks.jlab.org/entry/4035708 Rate stability during empty target production run] (Sasha) | ||
+ | * CCAL behavior: [https://logbooks.jlab.org/entry/4035864 scalers] & [https://logbooks.jlab.org/entry/4035858 temperature] (Sasha) | ||
+ | * [https://logbooks.jlab.org/entry/4035863 Production runs stop at 9 am] (Sasha) | ||
+ | * More details can be found here | ||
+ | ** [https://logbooks.jlab.org/entry/4035945 0400-1000 31/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4035879 2200-0400 30-31/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4035773 1600-2200 30/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4035704 1000-1600 30/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4035239 0400-1000 30/08] | ||
+ | |||
+ | === Issues === | ||
+ | * AC (Richard) | ||
+ | * Beam Profiler, [https://logbooks.jlab.org/entry/4035813 y-position is noisy & drifting] -> switch off HV wait for a couple minutes, turn HV on (Hovanes) | ||
+ | * [https://logbooks.jlab.org/entry/4035722 SC] and [https://logbooks.jlab.org/entry/4035800 3 missing channels] (Beni) | ||
+ | |||
+ | === [https://halldweb.jlab.org/primexd/run_plan/Run_Plan_Fall_2022.pdf Plan] === | ||
+ | * Insert Be target | ||
+ | * [https://logbooks.jlab.org/entry/4035974 Replace 5 FCAL bases] (Mark & Malte) | ||
+ | * Electric work | ||
+ | ** AC (Nick) | ||
+ | ** SC (Nick) | ||
+ | * Take data with B-field | ||
+ | ** Trigger study (Sasha) | ||
+ | ** Detector checkout (raw mode for ADCs & pi0 for FCAL) | ||
+ | ** Physics production | ||
+ | |||
+ | = Tuesday, August 30 = | ||
+ | === Past 24 hours === | ||
+ | * Finish CCAL HV calibration (snake scan) | ||
+ | * Data production: empty Be target ~0.4B evts [https://logbooks.jlab.org/entry/4035538] (Sasha) | ||
+ | * More details can be found here: | ||
+ | ** [https://logbooks.jlab.org/entry/4035644 0400-1000 30/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4035563 2200-0400 29-30/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4035487 1600-2200 29/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4035321 1000-1600 29/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4035239 0400-1000 29/08] | ||
+ | |||
+ | === Issues === | ||
+ | * [https://logbooks.jlab.org/entry/4035665 Hydra] | ||
+ | * FCAL bases, 3 FCAL bases need to be replaced | ||
+ | * CDC HV, problem HVBs I-1 and 26 (Naomi & Nick) | ||
+ | * [https://logbooks.jlab.org/entry/4035611 Y position beam instability] (Churamani) | ||
+ | ** [https://logbooks.jlab.org/entry/4035628 Ext6Orb Lock turned OFF](Kiarra) | ||
+ | ** [https://logbooks.jlab.org/entry/4035629 Lock Config vs. Hall D Vertical Orbit Drift] (Eric) | ||
+ | * AC (Nick) | ||
+ | |||
+ | === Plan === | ||
+ | * TAGM calibration after this meeting (Richard) | ||
+ | * Access around 10:30 am in the calorimeter cave to repair AC (Nick) | ||
+ | * Take data until 6 pm | ||
+ | * At 6 pm turn off Bfield and take empty Be target data for one shift w/o Bfield | ||
= Monday, August 29 = | = Monday, August 29 = | ||
=== Past 72 hours === | === Past 72 hours === | ||
− | + | * Halls in beam permit since Friday 1 pm | |
− | + | * Beam restoration took 2 hours | |
+ | * No radiation study was done as advised by A. Deur | ||
+ | * CCAL snake scan with HallC bleedthrough beam [https://logbooks.jlab.org/entry/4034502][https://logbooks.jlab.org/entry/4035117] (Drew/Sasha) | ||
+ | * Bleedthrough was stable, no beam only for 6 hours on Sunday | ||
+ | * TAC run with cell (-4,4) and HallC bleedthrough beam (Sasha) | ||
+ | * Data production, [https://logbooks.jlab.org/entry/4035163 Be empty target] | ||
+ | * More details can be found here: | ||
+ | ** [https://logbooks.jlab.org/entry/4035239 0400-1000 29/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4035176 2200-0400 28-29/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4035100 1600-2200 28/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4034979 1000-1600 28/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4034887 0400-1000 28/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4034783 2200-0400 27-28/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4034687 1600-2200 27/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4034575 1000-1600 27/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4034509 0400-1000 27/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4034300 2200-0400 26-27/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4034209 1600-2200 26/08] | ||
+ | ** [https://logbooks.jlab.org/entry/4034121 1000-1600 26/08] | ||
=== Issues === | === Issues === | ||
+ | * RootSpy not working | ||
+ | * AC not working at high gain (Nick) [https://logbooks.jlab.org/entry/4034297] | ||
+ | * CDC, problem HVBs I-1 and 26 (Naomi & Nick) | ||
+ | * 3 FCAL bases need to be replaced on Wednesday or sooner if opportunistic access is possible (Mark) | ||
+ | * Target OVC Pressure (Chris) [https://logbooks.jlab.org/entry/4034306][https://logbooks.jlab.org/entry/4034342][https://logbooks.jlab.org/entry/4034728][https://logbooks.jlab.org/entry/4034806] | ||
+ | * Lost solenoid B-field on Sunday (Tim) [https://logbooks.jlab.org/entry/4035005] (it took most of the day to ramp up) [https://logbooks.jlab.org/entry/4035048] | ||
+ | * Tagger dump water flow, settings needed to be adjusted to new conditions? | ||
+ | |||
=== Plan === | === Plan === | ||
+ | * TAGM calibration (Richard) | ||
+ | * Debug AC (Nick) | ||
+ | * PS harp scan (Hovanes or shift crew) | ||
+ | * Empty target run (shift crew) | ||
+ | * Wednesday might be devoted to RF recovery/beam study, so halls access might be possible this day | ||
= Friday, August 26 = | = Friday, August 26 = |
Latest revision as of 09:44, 31 August 2022
Meetings are via ZoomGov: connect (Meeting ID: 160 199 0060 / Passcode 8394)
Hall D counting room white board
Back to Run Coordination Meetings:Fall2022
Contents
Wednesday, August 31
Past 24 hours
- TAGM HV scan (Richard)
- Beam profiler used instead of AC
- AC (Nick & Richard)
- Solenoid B-field ramp down at 10 am and [1]
- Rate stability during empty target production run (Sasha)
- CCAL behavior: scalers & temperature (Sasha)
- Production runs stop at 9 am (Sasha)
- More details can be found here
Issues
- AC (Richard)
- Beam Profiler, y-position is noisy & drifting -> switch off HV wait for a couple minutes, turn HV on (Hovanes)
- SC and 3 missing channels (Beni)
Plan
- Insert Be target
- Replace 5 FCAL bases (Mark & Malte)
- Electric work
- AC (Nick)
- SC (Nick)
- Take data with B-field
- Trigger study (Sasha)
- Detector checkout (raw mode for ADCs & pi0 for FCAL)
- Physics production
Tuesday, August 30
Past 24 hours
- Finish CCAL HV calibration (snake scan)
- Data production: empty Be target ~0.4B evts [2] (Sasha)
- More details can be found here:
Issues
- Hydra
- FCAL bases, 3 FCAL bases need to be replaced
- CDC HV, problem HVBs I-1 and 26 (Naomi & Nick)
- Y position beam instability (Churamani)
- AC (Nick)
Plan
- TAGM calibration after this meeting (Richard)
- Access around 10:30 am in the calorimeter cave to repair AC (Nick)
- Take data until 6 pm
- At 6 pm turn off Bfield and take empty Be target data for one shift w/o Bfield
Monday, August 29
Past 72 hours
- Halls in beam permit since Friday 1 pm
- Beam restoration took 2 hours
- No radiation study was done as advised by A. Deur
- CCAL snake scan with HallC bleedthrough beam [3][4] (Drew/Sasha)
- Bleedthrough was stable, no beam only for 6 hours on Sunday
- TAC run with cell (-4,4) and HallC bleedthrough beam (Sasha)
- Data production, Be empty target
- More details can be found here:
Issues
- RootSpy not working
- AC not working at high gain (Nick) [5]
- CDC, problem HVBs I-1 and 26 (Naomi & Nick)
- 3 FCAL bases need to be replaced on Wednesday or sooner if opportunistic access is possible (Mark)
- Target OVC Pressure (Chris) [6][7][8][9]
- Lost solenoid B-field on Sunday (Tim) [10] (it took most of the day to ramp up) [11]
- Tagger dump water flow, settings needed to be adjusted to new conditions?
Plan
- TAGM calibration (Richard)
- Debug AC (Nick)
- PS harp scan (Hovanes or shift crew)
- Empty target run (shift crew)
- Wednesday might be devoted to RF recovery/beam study, so halls access might be possible this day
Friday, August 26
Past 24 hours
- Status report on installation (Tim)
- CDC Pulser checkout (Nicholas)
- Start Counter Darkrate/Darkcurrent test (Beni)
- TAGH status (Sasha)
- Issues with the CCAL HV (Nicholas)
Issues
- Beam dump update. The current estimated date to fix the issue from ACC is by Aug 26 at noon
- CDC, problem HVBs I-1 and 26 (Naomi & Nick)
- Several HV power supply channels for CCAL were identified as not working properly. There is one broken CCAL signal cable to flash ADC (Sasha/Arshak)
- Some suspicious FCAL channels (Igal)
- hd_ops account does not allow login - emailed Sergey last night (Naomi)
Plan
- Finish hot checkout before noon
- Get beam in the hall and follows [12]
- Beam recovery may last a couple of hours
- Establish photon beam may start during SWING shift
Thursday, August 25
Past 24 hours
- Status report on installation (Tim)
- FDC chiller interlock (Hovanes)
- Reconnect RF to the TOF crate (Sasha & Arshak)
- Cabling CCAL (Sasha)
- Beam dump, both the relief valve and heat exchanger in hand
- TAGH status (Sasha)
Issues
- Beam dump update. The current estimated date to fix the issue from ACC is by Aug 26 at noon
- No beam between 12 am and 8 am, Saturday & Sunday and possibly also Friday & Monday
- CDC, problem HVBs I-1 and 26 (Naomi & Nick)
- Several HV power supply channels for CCAL were identified as not working properly. There is one broken CCAL signal cable to flash ADC (Sasha/Arshak)
- FDC chiller interlock issue (Lubomir)
- Some suspicious FCAL channels (Igal)
Plan
- Be ready for beam tomorrow at noon
The hot checkout page
Readiness Check List
- Solenoid (Eugene/Beni)
- Start the run with magnetic field on
- Surveys (Tim/Mark)
- FCAL survey
- TOF survey
- ST survey
- TAGM
- TAGH
- Survey beamline component (secondary collimator, PS, beam pipe downstream the PS, etc.)
- Survey CCAL after it's installed in the Hall
- DAQ (Sergei).
- Include CDC1, ST, and CCAL crates to the readout. Power the detector, continue taking cosmic data during the detector configuration change.
- Trigger (Alex S.)
- Check physics triggers
- Run CCAL trigger when the detector is installed in the Hall
- Connect / check CCAL LED and alpha triggers
- Beam line
- Install He beam pipe between FCAL and CCAL (Tim)
- Install led shielding wall in front downstream the PS (Tim)
- Radiator status
- Check amorphous radiator
- Tagger hodoscope (A. Somov)
- Install plates with TAGH counters
- Install / check repaired TAGH countes
- Tagger microscope (Tim / Richard Jones)
- Move TAGM to the new location and rotate
- Collimator Motion (Hovanes)
- Not changed
- Active collimator detectors(Richard Jones/Alexandre Deur)
- Move active collimator to 5 mm hole
- Check
- Profiler (Hovanes)
- Not changed
- Luminosity monitor (Hovanes)
- Not changed
- Halo monitors
- Not changed
- PS system (Alex Somov)
- Not changed
- Beam line magnets (PS magnet sweeping magnet and tagger quads).
- Change filed of the PS magnet
- Polarimeter (Sebastian Cole/M. Dugger)
- Optional, not used in PrimEx
- Targets (Chris/Tim/Alexandre D.)
- LH4
- Be
- TAC (Alex Somov/Hovanes)
- Use CCAL (TAC can be used as a backup)
- Slow control (Hovanes)
- Check CCAL
- RF (Sergei)
- Not changed
- Radiation monitors (Alexandre D.)
- Not changed
- Detector systems
- ST (Beni)
- Connect cables, check dark rate
- FDC (Lubomir)
- Not changed
- CDC (Beni)
- Move CDC1 crate to the nominal position, cable up
- Check readout
- BCal (Mark D. / Elton)
- Not changed
- FCal (Mark D.)
- Check / replace bases if needed
- ComCal (Alex Somov)
- Check detector controls (Nick)
- Install CCAL platform
- Check platform motion
- Installed detector on the platform
- Connect cables
- Connect LMS
- Check detector
- TOF (Beni)
- Remove inner acrylic absorber
- ST (Beni)