Department of Astroparticle Physics (AP) Department of Accelerators (M) Department of Photon Science Department of High Energy Physics (FH) ALPS Group (Any Light Particle Search) Center for Free-Electron Laser Science (CFEL) Compact Muon Solenoid (CMS) Group Future Research and Technologies for Particle Physics Experiments (FTX) Helmholtz Imaging Platform (HIP) Ruprecht Haensel Laboratory Spectroscopy of Molecular Processes Group (FS-SMP) Ultrafast Photonics Research and Innovation (FS-PRI) X-ray Femtochemistry and Cluster Physics X-ray Physics and Nanoscience (DESY NanoLab) Centre for Structural Systems Biology (CSSB)