Phys. Rev. ST Accel. Beams 8, 042003 (2005) [7 pages]Prototyping of a multicell superconducting cavity for acceleration of medium-velocity beams
Three 6-cell 805 MHz superconducting cavity prototypes for acceleration in the velocity range of about 0.4 to 0.53 times the speed of light have been fabricated and tested. The quality factors (Q0) were between 7×109 and 1.4×1010 at the design field (accelerating gradient of 8–10 MV/m). The maximum gradients reached were between 11 and 16 MV/m; in each case, the Q0 values were ≥3×109 at the maximum gradient. The design, fabrication, surface preparation, and rf testing of the 6-cell cavities are reported in this paper. 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. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.8.042003
DOI:
10.1103/PhysRevSTAB.8.042003
PACS:
84.40.–x, 85.25.Am, 52.70.Gw, 29.17.+w
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