Description: The requirements for very low emittance and short damping time in the damping rings of future linear colliders, naturally lead to very small beta functions and dispersion in the ring arcs. This makes it difficult to make chromatic correction while maintaining good dynamics. We have therefore developed a lattice with very simple arcs (designed to give the best product of emittance and damping time), and with separate chromatic correction in a dedicated section. The chromatic correction is achieved using a series of non-interleaved sextupole pairs. The performance of such a solution is comparable to that of current damping ring designs, while there are a number of potential advantages.
Date: May 30, 2002
Creator: Raimondi, P. & Wolski, A.
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