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HK: Fachverband Physik der Hadronen und Kerne

HK 44: Instrumentation VIII

HK 44.6: Vortrag

Donnerstag, 19. März 2026, 17:30–17:45, PHIL A 301

Long-distance filament target beams — •Jost Froning, Eva-Maria Hausch, Simon Obszerninks, and Alfons Khoukaz — Institut für Kernphysik, Universität Münster, 48149 Münster, Germany

When using cryogenic filament target beams in accelerator experiments in nuclear and particle physics, it may be necessary to overcome greater distances between the beam production nozzle and the interaction point. To demonstrate the suitability of such a filament target beam, a new setup with a distance of more than 4 m between the nozzle and the beam dump was recently commissioned in Münster. This talk shows how a continuous frozen hydrogen filament target beam with a diameter of 10 µ m can be deflected and guided to the interaction point using a newly developed technique called cryobending, which uses helium gas to steer the target beam.

Funding was received from GSI F&E (MSKHOU2527), BMBF (05P21PMFP1) and NRW Netzwerke (NW21-024-E).

Keywords: filament target; cryogenic targets; cryobending; hadron physics; hydrogen target