Cavity based x-ray free electron laser demonstrator at the European X-ray Free Electron Laser facility oleh Patrick Rauer, Winfried Decking, Dirk Lipka, Daniel Thoden, Torsten Wohlenberg, Immo Bahns, Ulf Brueggmann, Sara Casalbuoni, Massimiliano Di Felice, Martin Dommach, Jan Grünert, Suren Karabekyan, Andreas Koch, Daniele La Civita, Benoit Rio, Liubov Samoylova, Harald Sinn, Maurizio Vannoni, Christopher Youngman, Wolfgang Hillert, Jörg Rossbach