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Ion source development for the on-line isotope separator at JAEA

Osa, Akihiko  ; Ichikawa, Shinichi; Matsuda, Makoto  ; Sato, Tetsuya   ; Jeong, S.-C.*

A forced electron beam induced arc discharge (FEBIAD-B2) type ion source and a surface ionization type one with an integrated target have been developed for the on-line isotope separator at JAEA. The ion sources were utilized to produce medium-heavy neutron-rich radioactive ion beams for acceleration with Tokai Radioactive Ion Accelerator Complex (TRIAC). In the FEBIAD-B2 type ion source, a 1 g/cm$$^2$$ $$^{238}$$UC$$_x$$ target is directly attached to a plasma chamber. While the surface ionization type ion source, $$^{238}$$UC$$_x$$ is located inside ion source as an internal target. With both ion sources, about 100 isotopes produced in the proton-induced fission of $$^{238}$$U with separation efficiencies of 0.1$$sim$$30$$%$$ have been mass-separated.

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Category:Instruments & Instrumentation

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