Difference between revisions of "Run Planning Meeting Notes, September 30 - October 6, 2021"
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#* 200 nA CDC & FDC turn off (8.4 shifts) | #* 200 nA CDC & FDC turn off (8.4 shifts) | ||
#* Remove Be target to take empty target (will take 8h. on Monday?) | #* Remove Be target to take empty target (will take 8h. on Monday?) | ||
| − | + | #* [https://halldweb.jlab.org/wiki/index.php/September_29,_2021_Calorimeter#Minutes For shift workers: FCAL scaler should be checked frequently.] | |
=Friday, October 1= | =Friday, October 1= | ||
Revision as of 18:27, 1 October 2021
<- Back to Run Coordination Meetings:Summer2021
Saturday, October 1, 10:00 am
- In last 24 hours:
- Early Riser summary
- Owl summary
- Swing summary
- Day summary
- Issues:
- Bleedthrough
- Plan:
- 50 nA with CDC & FDC turn on (2 shifts), Lubomir must be around
- 100 nA CDC & FDC turn off (2 shifts)
- 200 nA CDC & FDC turn off (8.4 shifts)
- Remove Be target to take empty target (will take 8h. on Monday?)
- For shift workers: FCAL scaler should be checked frequently.
Friday, October 1
- In last 24 hours:
- Beam came back around 17:40. After 2h long downtime and DAQ trouble, production runs started at 2:42 am.
- Radiation Level: OK
- Harp scan: OK
- Early Riser summary
- Owl summary
- Swing summary
- Day summary
- Main trigger normalized rate is 25% lower with CDC/FDC turned on (Alexandre)
- Beam came back around 17:40. After 2h long downtime and DAQ trouble, production runs started at 2:42 am.
- Issues:
- FCAL Trigger issue (Sasha)
- FCAL FADC scalers disconnected
- Bleedthrough
- Plan:
- 50 nA with CDC & FDC turn on (2 shifts), Lubomir must be around
- 100 nA CDC & FDC turn off (2 shifts)
- 200 nA CDC & FDC turn off (8.4 shifts)
- Remove Be target to take empty target (will take 8h. on Monday?)
Thursday, September 30
- In last 24 hours:
- Machine maintenance ended around 21:20, but we don't have a beam as of 8:30 (injector non-colinearity, 5E03 BLM trips, ...).
- Early Riser summary
- Owl summary
- Swing summary
- Day summary
- During downtime for maintenance:
- BCAL pedestal calibration (Sergey)
- FCAL base replacementCommunication issue resolved(Rebecca/Mark/Malte)
- FCAL HV scan (Igal)
- Timing calibration update (Sean)
- Beni started Special Run 81291 for SC dark rate at 8:30 remotely. (will take ~0.5h)
- Issues:
- Strange behavior in FCAL base (Rebecca/Mark/Malte)
- 5 FCAL bases don't reach 1800V (Mark/Malte)
- Bleedthrough
- Plan:
- Before taking data: check radiation level and beam quality (HARP scan)
- 50 nA with CDC & FDC turn on (2 shifts), Lubomir must be around
- 100 nA CDC & FDC turn off (2 shifts)
- 200 nA CDC & FDC turn off (8.4 shifts)
- Remove Be target to take empty target (will take 8h. on Monday?)
