Phys. Rev. ST Accel. Beams 6, 014001 (2003) [7 pages]Analysis of helical quadrupole focusing channel
A helical quadrupole focusing channel has continuous field symmetry and a stronger focusing power compared with a conventional FODO focusing channel. The good field symmetry allowed us to construct an explicit transfer matrix under the paraxial approximation. In the present paper, we report the paraxial analysis of the helical quadrupole focusing channel and compare its characteristics with those of a conventional FODO focusing channel. 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. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.6.014001
DOI:
10.1103/PhysRevSTAB.6.014001
PACS:
41.85.–p
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