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Numerical calculation of transverse coupling impedances: Comparison to Spallation Neutron Source extraction kicker measurements

B. Doliwa, E. Arévalo, and T. Weiland

  • TEMF, Technische Universität Darmstadt, Schlossgartenstrasse 8, D-64289 Darmstadt, Germany

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Phys. Rev. ST Accel. Beams 10, 102001 – Published 22 October, 2007

DOI: https://doi.org/10.1103/PhysRevSTAB.10.102001

Abstract

The study of beam dynamics and the localization of potential sources of instabilities are important tasks in the design of modern, high-intensity particle accelerators. In the case of synchrotrons and storage rings, coupling impedance data are needed to characterize the parasitic interaction of critical components with the beam. In this article we demonstrate the application of numerical field simulations to the computation of transverse kicker coupling impedances. Based on the 3D simulation results, a parametrized model is developed to incorporate the impedance of an arbitrary pulse-forming network attached to the kicker. Detailed comparisons of numerical results with twin-wire and direct measurements are discussed at the example of the Spallation Neutron Source extraction kicker.

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Phys. Rev. ST Accel. Beams 10, 102001– Published 22 October, 2007
  • Received 6 February 2007
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This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

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