Updates to the MAX IV 1.5 GeV Storage Ring Lattice
 
Last revised: September 13, 2012
 
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Abstract:
As a result of ongoing detailed magnet design work [1], the lattice for the MAX IV 1.5 GeV storage ring has been modified. The lattice files have been updated: a new 20120904 branch [2] will replace the previous 20120313 branch. The updated lattice includes minor changes to the field profiles (in an otherwise unmodified slice model) and slightly lengthened SCi magnets. Because of the minor modifications to the linear optics, the nonlinear optics have been re-optimized. The resulting param- eters and performance of the lattice are however very close to those of the previous branch. This note summarizes the changes in the new lattice branch and attempts to investigate performance and error-tolerance of the new linear and nonlinear optics. In this sense it can be considered an update of the DDR chapter on beam dynamics in the 1.5 GeV storage ring [3]. The note concludes with a list of current lattice files and their purpose.
 
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