RC meeting and Run Plan, Sunday October 25th
From SBS wiki
RC Meeting Information
RC Daily Meetings are at 3:15pm, remote connection link: https://bluejeans.com/256205934
Accelerator Status
- DC Power still in tunnel
- Pass Change not started
- 3.5 uA limit to Hall A due to BLM trips. Higher currents require negotiations with Hall C
Hall A Status and News
- In Restricted Access
- Move to SBS-5 in progress
Current Run Plan
Subsystem Updates
- HCAL
- BBCal
- Timing Hodoscope
- Grinch
- GEMS
- DAQ
- Replay Analysis
Reminders to shift crew
- Check GEM gas mix every 2 hours
- HALOG GEM efficiency plots e.g. (https://logbooks.jlab.org/entry/3930258)
- Fill Out Run list
- New Quick Beam checkout procedure (Target at home, Harps SCAN, check BPM strip chart) No C Hole after initial checkout completed at each configuration
- Ramp BB magnet to 0 before "power off". Here is a nice entry by Jack here
Current Issues
- Can't identify pulsar events in HCal (Ole, Alex)
- Need script/method to determine # good events
- Need script to get accumulated charge
- Target Vent Pressure Alarm is silenced. Experts are aware entry RESOLVED
- Waiting for response from OPS about when "long" ramping procedure required on SBS quick ramp vs [ https://logbooks.jlab.org/entry/3931987 long procedure]
- Rates in Hodoscope at ("300 kHz/1 uA on LD2 signals, 10 mV threshold, 40 mV signal on "FADC", "good" signal based on GeM tracks" D.Hamilton) Would like to do a HV scan on timing hodoscope (Ralph)