The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Tanaka:IPAC2016-WEPMY038} \bibitem{Tanaka:IPAC2016-WEPMY038} T. Tanaka, M.K. Fukuda, M. Inagaki, R. Nagashima, K. Nakao, K. Nogami, \emph{et al.}, % T. Tanaka, M.K. Fukuda, M. Inagaki, R. Nagashima, K. Nakao, K. Nogami, T. Sakai, D. Satoh, T. Takatomi, K. Takatsuka, N. Terunuma, J. Urakawa, and M. Yoshida, % T. Tanaka \emph{et al.}, \textquotedblleft{Optimization of C-band RF Input Coupler as a Mode Converter for 20-K Cryocooled Photocathode RF Gun}\textquotedblright, % in \emph{Proc. IPAC2016}, pp. 2638--2640, % in \emph{Proc. IPAC2016}, Busan, Korea, May 2016, paper WEPMY038, pp. 2638--2640, in \emph{Proc. 7th Int. Particle Accelerator Conf. (IPAC'16)}, Busan, Korea, May 2016, paper WEPMY038, pp. 2638--2640, % ISBN: 978-3-95450-147-2, \url{http://jacow.org/ipac2016/papers/wepmy038.pdf}, \url{doi:10.18429/JACoW-IPAC2016-WEPMY038}, 2016.