Phys. Rev. ST Accel. Beams 11, 100704 (2008) [12 pages]Longitudinal wakes of a short magnet, coherent transition radiation, and coherent diffraction radiation for an ultrarelativistic electron bunch
The longitudinal wake is calculated for a bunch of ultrarelativistic electrons that is deflected by a magnet that is much shorter than the formation length of its coherent synchrotron radiation. Using this wake and the Coulomb field of an image bunch, we obtain formulas for the wake of coherent transition radiation. By modeling the coherent diffraction radiation of an iris as the coherent transition radiation from a hollow bunch, we calculate the on-axis longitudinal wake of coherent diffraction radiation for an arbitrary target shape. We also calculate the influence of an upstream magnet’s edge radiation upon the wake. 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. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.11.100704
DOI:
10.1103/PhysRevSTAB.11.100704
PACS:
41.60.Ap, 52.38.Kd
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