The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
M. Fitterer et al., “Hollow Electron Beam Collimation for HL-LHC - Effect on the Beam Core”, in Proc. North American Particle Accelerator Conf. (NAPAC'16), Chicago, IL, USA, Oct. 2016, paper WEA1CO04, pp. 651-654, ISBN: 978-3-95450-180-9, https://doi.org/10.18429/JACoW-NAPAC2016-WEA1CO04, https://jacow.org/napac2016/papers/wea1co04.pdf, 2017.