1. Principles of RF Linear Accelerators;Wangler,1998
2. Superconducting rf photoinjectors: an overview;Sekutowicz;Int. J. Mod. Phys. A,2007
3. CST simulation packages, www.cst.com.
4. ASTRA Version 2.0 User’s Manual;Floettman,2006
5. Ocelot as a framework for beam dynamics simulations of x-ray sources;Tomin,2017