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Proceedings Paper

Application of rf superconductivity to high-brightness and high-gradient ion beam accelerators
Author(s): Jean R. Delayen; Courtlandt L. Bohn; Charles T. Roche
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Paper Abstract

A development program is underway to apply rf superconductivity to the design of continuous-wave (cw) linear accelerators for high-brightness ion beams. Considerable progress has been made both experimentally and theoretically toward this application. Recent tests of niobium resonators for ion acceleration have yielded average accelerating gradients as high as I 8 MV/m. In an experiment with a radio-frequency quadrupole geometry, niobium was found to sustain cw peak surface electric fields as high as 1 28 MV/rn over large (1 0 cml surface areas. Theoretical studies of beam impingement and cumulative beam breakup have also yielded encouraging results. We have also made extensive measurements of the if properties of high-Ta superconductors. In this paper, we summarize our progress and identify current and future work in the areas of accelerator technology and superconducting materials which will build upon it.

Paper Details

Date Published: 1 April 1991
PDF: 11 pages
Proc. SPIE 1407, Intense Microwave and Particle Beams II, (1 April 1991); doi: 10.1117/12.43528
Show Author Affiliations
Jean R. Delayen, Argonne National Lab. (United States)
Courtlandt L. Bohn, Argonne National Lab. (United States)
Charles T. Roche, Argonne National Lab. (United States)

Published in SPIE Proceedings Vol. 1407:
Intense Microwave and Particle Beams II
Howard E. Brandt, Editor(s)

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