Phys. Rev. ST Accel. Beams 10, 080101 (2007) [19 pages]Superconducting CH structure
The superconducting CH structure is a novel multicell cavity for the acceleration of protons and ions in the low and intermediate energy regime. The CH structure is a cross-bar-type cavity; it is the first superconducting low energy multicell cavity operated in an H mode. A superconducting CH-prototype cavity with 19 gaps at β=0.1 has been built and tested successfully. Maximum surface fields of 25 MV/m and a corresponding effective cavity voltage gain of 3.7 MV have been achieved. In this paper the development and the tests of this new cavity are presented. This includes also tuning and coupling methods as well as a comparison with other low energy cavities. 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. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.10.080101
DOI:
10.1103/PhysRevSTAB.10.080101
PACS:
29.17.+w, 85.25.Am, 52.70.Gw
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