The production of very-high energy electron beams for radiotherapy was the subject of the VHEE2020, an international workshop that took place 5-7 October 2020, organised by CERN.
An overview of the results from a recent study of two different types of Nb3Sn wires by HyperTech Inc. (US) and Bochvar Institute (RU) at the University of Technology and Atominstitut in Vienna.
Stray magnetic fields are a serious consideration in the design CLIC. Measurements to characterise stray magnetic fields at CERN are presented and a mitigation technique for CLIC is discussed.