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MD ItemProcedure Link

Machine Time

Responsible Party

RequirementsDetails
Test LI17/LI18 PAU functionality for S20 energy feedback improvements
1 shift
Preferred beam to dump, requires EP01 microAttempt to recommission fast phase shifters (LI17 and LI18 PAU subboosters) previously used for EP01 energy feedback. Will need some crusty old crates revived and almost certainly a lot of sage SLC timing guru guidance. 
Collect SYAG data with variable compressions
4 hours
Beam to dumpData collection to interpret compression profile of SYAG with the goal of further calibrating that screen. 
Injector LLRF firmware updates 
1-3 days (passive)
TID readinessUpgrade the LLRF firmware for 10-2, 10-3, and 10-4 to match newer versions deployed at 10-5 and LCLS XTCAV. Should be fairly quick to implement, but preferred to have at least a few days to monitor to make sure it works as expected.
Any outstanding RP surveys

4 hours 


Variable Parts f (beam to heater screens) and maybe n (external surveys with beam to S20 collimators/notch) or others.
2 nC stability tests

1 shift


Beam to dumpInvestigate emittance blow up at higher charge, see if this reproduces with single bunch now that we have consistently compressed beam at 1.6 nC.
PLIC indexing 

10 minutes


Beam to dumpGenerate losses in known locations to calibrate X xcale of PLIC (for known scope settings) in order to have a calibrated loss monitoring system.

2024 MD Planning  & Priorities

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