The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{seidel:ibic2021-tuoa02} \bibitem{seidel:ibic2021-tuoa02} A. Seidel and J. Osterhoff, \textquotedblleft{Characterizing Ultralow Emittance Electron Beams using Structured Light Fields}\textquotedblright, % --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 --- presented at IBIC'21, Pohang, Rep. of Korea, May 2021, paper TUOA02, unpublished.