Published in Physical Review ST Accelerators and Beams, Volume 14, September 26, 2011.
NOTE: At the time of publication, the author Themis Mastoridis was not yet affiliated with Cal Poly.
The definitive version is available at https://doi.org/10.1103/PhysRevSTAB.14.092802.
This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Physical Society.