I.7 — Injection and extraction
DOI:
https://doi.org/10.23730/CYRSP-2024-003.323Abstract
A particle accelerator has limited dynamic range, so a chain of accelerators is required to reach high energies. A combination of septa and kicker magnets is used to extract and inject beam from one ring to the next. Injections can be performed on-axis in a single turn or off-axis in many turns. Off-axis injections are very different in the heavy-particle accelerators and in the electron/positron rings, where there is synchrotron radiation damping. The extraction from a intermediate stage of the accelerator chain is usually done in a single turn, but multi-turn slow extractions can be required for different applications. Different injection and extraction methods are explained in this chapter.
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