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The BC1 location along the linac requires both energy and bunch length stabilization. This feedback loop will include the energy at DL1 as well, so that the energy feedback from RF gun through and beyond BC1 work together as a single loop. BPM13 and BPMS11 are used to measure the relative energy, BL11 is used to measure the relative bunch length. These measurements are used to adjust the phase (or amplitude?) at L0B and the amplitude and phase of L1-S. In the case where BL11 is not used, the DL1 + DL2 energy BC1 energies alone may be stablized with this loop.
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- Individual Feedbacks
- Bunch Charge
- gotta get going on this soon!
- need ICD for toroid
- need ICD and additional info on inner laser energy loop
- Energy at DL1 / Spectrometer Dump
- LLRF questions - need ICD (including PV names and how they work)
- add control records on LLRF Amp and Phase to lock out users during automated feedback
- need BPM ICD
- need dispersion values for each BPM - they are not in SLC Database, store in config file? Need that oracle database here...
- DL1 Energy + BC1 Energy + Bunch Length
- need to use IM01 to calc Bunch Lenght Length values (along with BL11 reading)
- where to get calibration constant C for BL11/ IM01 calcs? See doc from Paul
- need ICDs for toroids and BLEN
- Injector Launch
- test Paul's latest optimization algorithm with latest simulator BPM values and noise levels
- need BPM ICD
- Bunch Charge