The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Tang:SAP2017-TUPH14} \bibitem{Tang:SAP2017-TUPH14} M.T. Tang, J. Li, L.J. Mao, X.D. Yang, and H. Zhao, \textquotedblleft{Calculation of the Gun and Collector for Electron Cooler of HIAF}\textquotedblright, presented at SAP2017, Jishou, China, Aug. 2017, paper TUPH14, unpublished. % presented at the 13th Symposium on Accelerator Physics (SAP'17), Jishou, China, Aug. 2017, paper TUPH14, unpublished.