[Pansophy] LERF-ACTS data for SLAC spreadsheet

Larry King king at jlab.org
Tue Feb 27 13:28:01 EST 2024


Dear all,
For J23, I updated the entries on SLAC Spreadsheet/PL Measurements tab for:
[https://res-h3.public.cdn.office.net/assets/mail/file-icon/png/xlsx_16x16.png]CM_Traveler_J1.3-23_JLAB_CM Spreadsheet.xlsx<https://jeffersonlab-my.sharepoint.com/:x:/g/personal/ashleya_jlab_org/EXjCeBZ4Z8dJgU-dYnW0byIBnm7M-N2AKy3a-4JEjlU7Yg?e=WcAX1x>
Piezos work?
Field emission onset?
Magnet reach 20A?
Heaters work?
Sensors work?

Some of this data is in the ACTS traveler, but it's not very straightforward.

All piezos work? (YES/ PASS for J23)
Step 23 shows all 8 cavs' piezos met spec of >500Hz, and there's no mention of any NCRs generated in step 24.
It might be helpful to have radio button for each cav, or one for all 8 being good, to port into SLAC spreadsheet.


All heaters work? (YES/ PASS for J23)
Three radio buttons in step 132:
HeliumVesselHeatersFunctional Yes No (covers all 8 cav htrs)
FillLineHeatersFunctional Yes No
LiquidLevelHeatersFunctional Yes No (both LL htrs)
If all three are YES, then YES for SLAC spreadsheet.


All sensors work? (final answer is YES for J23)
Cryomodule thermometry sensors
Step 129 verifies that all installed cryomodule thermometry is functional
ThermometryFunctional Yes No
Liquid level sensors
Step 130 verifies that both LL sensors are functional
LiquidLevelSensorsFunctional Yes No


I don't see this on the SLAC spreadsheet, but I thought someone asked about it during the meeting:
Dark Current? (None/ PASS)
A single radio button in step 127
DarkCurrentPass Yes No

Hope this helps.
Regards,
Larry






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