Difference between revisions of "Run Planning Meeting Notes, October 13 - October 19, 2022"
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**Fraction of flux on empty target (full run): 25% | **Fraction of flux on empty target (full run): 25% | ||
**[https://halldweb.jlab.org/primexd/prod_fall_2022/run_list_2022.pdf run list] | **[https://halldweb.jlab.org/primexd/prod_fall_2022/run_list_2022.pdf run list] | ||
| + | *Beam was stopped at 7:30AM in preparation for the ARW tour this morning. | ||
* Shift Summary | * Shift Summary | ||
** [https://logbooks.jlab.org/entry/4062922 Early Riser Wednesday] | ** [https://logbooks.jlab.org/entry/4062922 Early Riser Wednesday] | ||
Revision as of 07:58, 19 October 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, October 19
Past 24 hours
- Beam was restored Tuesday evening at ~8PM after a downtime of about 17 hours.
- Continued running on the empty target at 200nA. 0.3B events collected, putting total triggers for this period of empty target runs to 0.8B.
- Fraction of flux on empty target (since target was filled last time): 20%
- Fraction of flux on empty target (full run): 25%
- run list
- Beam was stopped at 7:30AM in preparation for the ARW tour this morning.
- Shift Summary
Issues
Plan
- ARW Tour (NL + Halls A/C) today. Sweep of NL expected around 1PM.
- When beam is restored, harp scans & production running at 200nA.
Tuesday, October 18
Past 24 hours
- FADC replaced in TAGM (Alex S.)
- TAGH HVs restored (Alex S.)
- DIRC bar box flow sensors check (Justin)
- Target emptied at 4:30PM yesterday
- 0.5B Triggers collected on empty
- Shift Summary
Issues
- Beam down due to Arc 9 Box Power Supply Issue
- Beam restoration expected early swing shift.
Plan
- When beam returns, we'll do harp scans and then resume data taking on the empty target @200nA.
- ARW Tour Wednesday, NL will be open during Day shift.
- MCC will stop beam at 8AM, sweep of NL expected at 1PM.
Monday, October 17
Past 24 hours
- Smoke alarm in collimator cave caused by short of switch in alarm control panel from chilled water leak.
- Beam down for ~5hrs because of this.
- 9.3B triggers collected since filling target last Thursday.
- Shift Summary
- Early Riser Monday
- [ Owl Sunday/Monday]
- Swing Sunday
- Day Sunday
- Early Riser Sunday
Issues
- CAEN HV crate for TAGH (counters 1-120) not communicating
- TAGM fADC failure
- DIRC Environment alarm
- Beam transmission drops last night
Plan
- Collect production data at 200(250?) nA
- ARW Tour Wednesday, NL will be open during Day shift.
Sunday, October 16
Past 24 hours
- 2.1B triggers collected on He target since yesterday morning 8:30AM (as of 8:30AM Sunday morning)
- Beam was down for ~8.5hrs from 7PM Saturday night to 3:30AM Sunday morning due to 2K Cold Box trip.
- When beam was restored, we did the usual harp scans
- Shift Summary
- Early Riser Sunday
- [ Owl Saturday/Sunday]
- Swing Saturday
- Day Saturday
- Early Riser Saturday
Issues
Plan
- Continue taking production data at 200nA over the weekend.
Saturday, October 15
Past 24 hours
- No beam during most of day shift (Wien angle change + Hall A pass change)
- 5 FCAL Bases replaced (Mark)
- Calorimeter Prototype installed in PS test setup
- Harp scan results
- 4 hours of data (2 runs) collected at 250nA for Compton systematic studies
- 2.1B total triggers collected on He target since 5PM yesterday (as of 8:30AM, Saturday morning).
- Shift Summary
- Early Riser Saturday
- [ Owl Friday/Saturday]
- Swing Friday
- Day Friday
- Early Riser Friday
Issues
- Problems reported establishing connection to VNC session by remote worker. Seems to be fixed.
Plan
- Continue taking production data at 200nA over the weekend.
Friday, October 14
Past 24 hours
- ~7:40 am started filling target
- Relatively smooth running on full target
- Shift Summary
- [ Early Riser Wednesday]
- [ Day Wednesday]
- [ Swing Wednesday]
- [ Owl Wednesday/Thursday]
- [ Early Riser Thursday]
- ABUs: ? + 6.4 + 6.7 = hrs
- Data Summary: we collected 2.1B on empty before switching to full target; since then collected ~2.8B on full
Issues
Plan
- Take data with Filled Target until ~???B triggers
- Friday day shift: Wien angle change and pass change for Hall A; (concurrently Hall D Safety training at 9:30 am (M. Dalton)?????????)
- Opportunistic: EIC calorimeter prototype installation at PS calorimeter; need one hour (maybe Thursday?); contact Sasha
- Kondo repositions his detector
- FCAL base change
Thursday, October 13
Past 24 hours
- Relatively smooth running on empty target
- ~7:40 am started filling target
- Shift Summary
- [ Early Riser Wednesday]
- [ Day Wednesday]
- [ Swing Wednesday]
- Owl Wednesday/Thursday
- Early Riser Thursday
- ABUs: 5.4 + 5.2 + 6.8 = 17.4 hrs
- Data Summary: >0.4B triggers on empty target since 16:00 Wednesday -> >1.8B on empty total
Issues
Plan
- Take data with Filled Target until ~???B triggers
- Friday day shift: Wien angle change and pass change for Hall A; (concurrently Hall D Safety training at 9:30 am (M. Dalton)?????????)
- Opportunistic: EIC calorimeter prototype installation at PS calorimeter; need one hour (maybe Thursday?); contact Sasha
