Simone F. Lauber, Kurt Aulenbacher, Winfried Barth, Markus Basten, Christoph Burandt, Florian Dziuba, Peter Forck, Viktor Gettmann, Manuel Heilmann, Thorsten Kürzeder, Julian List, Maksym Miski-Oglu, Holger Podlech, Anna Rubin, Malte Schwarz, Thomas Sieber, Stepan Yaramyshev
- The upcoming commissioning of the superconducting (SC) continuous wave Helmholtz linear accelerators first of series cryomodule is going to demand precise alignment of the four internal SC cavities and two SC solenoids. For optimal results, a beam-based alignment method is used to reduce the misalignment of the whole cryomodule, as well as its individual components. A symmetric beam of low transverse emittance is required for this method, which is to be formed by a collimation system. It consists of two separate plates with milled slits, aligned in the horizontal and vertical direction. The collimation system and alignment measurements are proposed, investigated, and realized. The complete setup of this system and its integration into the existing environment at the GSI High Charge State Injector are presented, as well as the results of the recent reference measurements.
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