The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Xu:IPAC2016-WEPMR040} \bibitem{Xu:IPAC2016-WEPMR040} C. Xu, I. Ben-Zvi, I. Petrushina, V. Ptitsyn, P. Takas, B. P. Xiao, and \emph{et al.}, % C. Xu, I. Ben-Zvi, I. Petrushina, V. Ptitsyn, P. Takas, B. P. Xiao, and W. Xu, % C. Xu \emph{et al.}, \textquotedblleft{HOM Absorber Study by Photon Diffraction Model}\textquotedblright, % in \emph{Proc. IPAC2016}, pp. 2360--2363, % in \emph{Proc. IPAC2016}, Busan, Korea, Mar. 2016, paper WEPMR040, pp. 2360--2363, in \emph{Proc. 7th International Particle Accelerator Conference (IPAC'16)}, Busan, Korea, Mar. 2016, paper WEPMR040, pp. 2360--2363, % ISBN: 978-3-95450-147-2, \url{http://jacow.org/ipac2016/papers/wepmr040.pdf}, \url{doi:10.18429/JACoW-IPAC2016-WEPMR040}, 2016.