Today we put deuterium beams through this prototype section of radiotherapy accelerator.   It's a fixed-field beamline with different energies going on different orbits (hence the "energy ruler" for alignment).   #physics #accelerators<p><video src='posts/202508/post-20250825-213057-a.mp4' loading='lazy' controls></video></p><p><a href='posts/202508/post-20250825-213057-b.jpg'><img src='posts/202508/post-20250825-213057-b.jpg' loading='lazy' /></a></p>