Aggregator
INJECTOR has been enabled in alarm handler
,g for Kr processing
We ramped up to 210 kV for HV vacuum conditioning and end up seeing field emission that was not going away at 210 kV. We then step by step lowered the HV and observed the field emission level correspondoingly lowered until it reached backgound noise level of 4-8 counts at 110 kV.
Next we will set Kr for processing the gun.
At the beginning of today's HV vacuum conditioning, the onset of vacuum desorption happened at ~162 kV. Over the HV vacuum conditioning, the gun tripped 3 times at 172, 183, and 185 kV respectively.
ATLis Comments Daily Digest
ACG Report
Installed and tested sync script for CHL screens on guard9
Helping Troubleshoot HV Read-back Issue
Addressing opsdata disk usage for waveForms and LabJack Data
RF 3.0 1L08 CED Updates
Follow-up Re: Follow-up Re: CIS - AM work summary
Operator SIGN IN
COMMENT ON SAM26 Continuation of PSS Video System Upgrade
COMPLETED Install network switch
COMMENT ON ISB crane operation with fall protection
COMMENT ON Install Fall Protection Beam Clamps in the Injector Service Bldg.
COMMENT ON Plasma processing during the Fall 2026 SAM
COMMENT ON Electrical Testing of Arc Dipoles
COMMENT ON Perform HCO of Injector 10 Amp Trim Racks
APPROVED Remove 1L06,07 TL Side PR L-Tubes
Survey and Alignment work summary
COMMENT ON Vacuum Activities CEBAF 9/09/2026 through 12/31/26 (SAM26)
COMMENT ON Vacuum Activities CEBAF 9/09/2026 through 12/31/26 (SAM26)
COMMENT ON Vacuum Activities CEBAF 9/09/2026 through 12/31/26 (SAM26)
COMMENT ON E3 Convectron Controls Upgrade (2026 SAM)
With the success of the fix of the Valve interlock cable between E3 and E5 I have contacted Radcon to install new Radcon screw in rack E301B10 for the new panel holding the new convectron controllers.
Will continue to monitor and perform another HCO at the end of the week along with the Valve interlock controls at E5: https://tasklists.jlab.org/atlis/tasks/121068
If everything checks our I will close out Atlis/PTW.










