Dynamic Aperture in Damping Rings with Realistic Wigglers
نویسنده
چکیده
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 non-interlaced 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. (Presented at Wiggle 2005 workshop, Frascati, Italy, February 21-22, 2005) ∗Work supported by the Department of Energy under Contract No. DE-AC02-76SF00515. SLAC–PUB–11084 April 2005 Dynamic Aperture in Damping Rings with Realistic Wigglers Yunhai Cai Stanford Linear Accelerator Center Menlo Park, CA 94025
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