[SLAC]
[SLAC Pubs and Reports]
SLAC-PUB-11084
Dynamic Aperture in Damping Rings with Realistic Wigglers
Abstract
The International Linear Collider based on superconducting RF
cavities requires the damping rings to have extremely small equilibrium
emittance, huge circumference, fast damping time, and
large acceptance. To achieve all of these requirements is a very
challenging task. In this paper, we will present a systematic approach
to designing the damping rings using simple cells and noninterlaced
sextupoles. The designs of the damping rings with various
circumferences and shapes, including dogbone, are presented.
To model realistic wigglers, we have developed a new hybrid symplectic
integrator for faster and accurate evaluation of dynamic
aperture of the lattices.
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