1. J. D. Lawson, The Physics of Charged-Particle Beams (Oxford Univ. Press, Oxford, 1988).
2. A. V. Ivanov and M. A. Tiunov, “ULTRASAM-2D code for simulation of electron guns with ultra high precision,” in Proceeding of EPAC-2002, Paris,2002, pp. 1634–1636.
3. K. Flöttman, ASTRA (DESY, Hamburg, 2000).
4. D. G. Myakishev and V. P. Yakovlev, “An interactive code SUPERLANS for evaluation of RF- cavities and acceleration structures,” in Proceedings of the1991IEEE Part Acceleration Conference, San Francisco, CA, Vol. 5, pp. 3002–3004.
5. Y. H. Wu, Y.-J. Chen, and J. Ellsworth, “Unfolding electron beam parameters using spot size measurement from magnet scan,” in Proceedings of NAPAC2016, Chicago, IL, USA.