for the first time, will produce mixed ion beams that enable concurrent treatment and image guidance. Carbon ions deliver the dose to the target while Helium ions, simultaneously accelerated to the same [...] R., Dick M., Martire M. C. Guangru LI., Schuy C., et al. Mixed Ion Beams Enable Simultaneous Treatment and Real-Time Imaging in Carbon Ion Therapy Med Phys (2026) Graeff Ch.; et al First experimental production [...] carbon ion beam therapy Physics in medicine and biolog y 65 (5), 055002 (2020) [10.1088/1361-6560/ab6e52] Graeff, C. ; Weber, U. ; Schuy, C. ; et al [OA027] Helium as a range probe in carbon ion therapy