Erlangen 2026 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 27: Poster Session
HK 27.8: Poster
Mittwoch, 18. März 2026, 16:15–18:30, Redoutensaal
Conceptual Design of a Fragment Separator for Producing Positron-Emitting Light-Ion Beams in Hadron Therapy — •Suraj Kumar Singh1,2, Bernhard Franczak1, Christoph Scheidenberger1,2,3, Daria Kostyleva1, Emma Haettner1, and Sivaji Purushothaman1 for the Super-FRS Experiment collaboration — 1GSI Helmholtzzentrum for Schwerionenforschung GmbH, Darmstadt — 2II. Physikalisches Institut, JLU, Gießen — 3Helmholtz Research Academy Hesse for FAIR (HFHF), Campus Giessen
Recent advances in hadron therapy have stimulated growing interest in the use of light, positron-emitting ion beams as an alternative to conventional heavy ions such as 12C. These radionuclides-produced efficiently through projectile fragmentation and in-flight separation-offer half-lives and production yields well suited for in-beam positron emission tomography (PET), enabling improved real-time verification of beam range during treatment. In this poster, a conceptual design for a fragment separator optimized to deliver such therapeutic positron-emitting light ions will be presented. The system integrates a production target with a sequence of dipole and quadrupole magnets, energy-loss degraders, and time-of-flight diagnostics to perform Bρ-Δ E-ToF particle identification and achieve high beam purity and tunability. This design provides a flexible platform capable of supplying a range of clinically relevant positron-emitting isotopes, supporting enhanced imaging-guided dose delivery and paving the way for more precise and adaptive cancer treatment modalities.
Keywords: Hadron therapy; Fragment Separator