The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Jin:SRF2017-TUPB032} \bibitem{Jin:SRF2017-TUPB032} S. Jin, J. Gao, D.J. Gong, Z.C. Liu, P. Sha, J.Y. Zhai, \emph{et al.}, % S. Jin, J. Gao, D.J. Gong, Z.C. Liu, P. Sha, J.Y. Zhai, T.X. Zhao, and H.J. Zheng, % S. Jin \emph{et al.}, \textquotedblleft{Study on 650MHz 5-cell Prototype Cavities at IHEP}\textquotedblright, in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB032}, 2018. % in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB032}, pp. 448--450. % in \emph{Proc. SRF2017}, Lanzhou, China, July 2017, paper TUPB032, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB032} % in \emph{Proc. 18th Int. Conf. on RF Superconductivity (SRF'17)}, % Lanzhou, China, July 2017, paper TUPB032, pp. 448--450, % ISBN: 978-3-95450-191-5, % \url{http://jacow.org/srf2017/papers/tupb032.pdf}, % \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB032}, 2018.