Periodic sequence of focusing (F) / drift (O) / defocusing (D) / drift magnets. Phase advance per cell μ determines tune and stability; sextupoles added for chromaticity correction; higher multipoles control nonlinear dynamics.
Periodic sequence of focusing (F) / drift (O) / defocusing (D) / drift magnets. Phase advance per cell μ determines tune and stability; sextupoles added for chromaticity correction; higher multipoles control nonlinear dynamics.