Report on the Novel Accelerator Landscape in Europe: Facilities, Projects and Capabilities at the Beginning of the 2020's

The WP6 of IFAST brings together institutes and scientists developing novel accelerator concepts and technologies. This concerns in particular modern plasma accelerators, lasers, beam drivers and dielectric accelerators. WP6 organized a special in-person workshop in September 2022 in Elba in Italy, just after the end of the COVID-19 pandemic. This workshop discussed the novel accelerator landscape in Europe and beyond, the subject of this milestone report. The session organizers, leaders in their fields, have contributed the various chapters to this report