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Wuppertal 2015 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 5: Poster

AKBP 5.8: Poster

Dienstag, 10. März 2015, 11:00–19:00, Foyer Ebene G.10

Investigation of Geometric Variations for the bERLinPro Main Linac Cavity Using Perturbative Methods — •Korinna Brackebusch and Ursula van Rienen — Institute of General Electrical Engineering, University of Rostock

The design of multicell accelerator cavities is a challenging task since it implies the manipulation of various shape parameters regarding different (partially opposing) optimization goals. Simulating the electromagnetic characteristics of the full structure involves an enormous computational effort. In most cases, this constrains the observed frequency range and the number of optimization passes. An investigation of the effects of unintended shape deviations is usually entirely abstained from although it may be of particular importance for the final design.

Perturbative methods offer an efficient approach to tackle this issue. They allow the computation of the eigenmodes and the derived cavity performance parameters of a multitude of varied cavity designs based on one initial design. In this contribution, we investigate the applicability of perturbative methods for performance optimization and simultaneous consideration of shape variations exemplarily studying the 1.3 GHz bERLinPro Main Linac 7-cell Cavity.

Work supported by Federal Ministry for Research and Education BMBF under contract 05K13HR1.

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