Speaker
Description
The demand for heavy-ion irradiation in space applications has grown significantly in recent years, surpassing the available beam time at GANIL. To address this, we are developing an innovative beam splitting system combining stripper/degrader techniques with two large-aperture DC magnetic septa.
The originality of this approach lies in generating and transporting three different charge states obtained through partial stripping (typically from a 129Xe48+ beam at 50 MeV/u). These charge states are selected, separated from each other by the two septa and directed to three independent beamlines. These lines remain adjustable to accommodate various ion beams and magnetic rigidities. A key challenge is ensuring full operational independence of the beamlines, including control of beam intensity and access to experimental areas, which requires significant reconfiguration of the facility.
Unlike time-sharing systems using fast switching magnets, our concept optimizes ion accelerator efficiency through a full parallel operation with a 100% duty cycle. This upgrade will enable simultaneous irradiations in three experimental areas, greatly enhancing GANIL's capacity to support high-demand, long-term irradiation programs. Moreover, this concept could be applied to other accelerator facilities desiring to feed multiple irradiations setup simultaneously without switching magnets.
Funding Agency
Région Normandie and European Union (Fonds Européen de Développement Régional (FEDER)) through the ‘‘Soutien à l’innovation en collaboration’’ program: Normandie Accélérateurs.
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