This repository contains all raw data presented in the dissertation "Deceleration and Electron Cooling of Highly Charged Ions at HITRAP" and are the basis for the corresponding publication in Phys. Rev. X entitled "Deceleration of Accelerator-Produced and In-Trap Electron Cooling of Highly Charged Ions" by Simon Rausch and Coworkers. The data originates from off-line work and commissioning beamtimes at the HITRAP Faciity at the GSI Helmholtzzentrum für Schwerionenforschung GmbH. For a detailed description of the included files, see the readme.txt.