Development of an MeV proton generator using a 3He ion source at the Research Center for Nuclear Physics

For simple applications, such as the calibration of a charged particle detector, a multi-MeV proton generator may be preferable to cyclotrons or electrostatic accelerators such as Van de Graaff generator. Thus, a proton generating system, consisting of an 18 GHz superconducting (SC)-ECR ion source a...

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Veröffentlicht in:Review of scientific instruments 2020-03, Vol.91 (3), p.033307-033307
Hauptverfasser: Yorita, Tetsuhiko, Takahisa, Keiji, Shima, Tatsushi, Fukuda, Mitsuhiro, Kanda, Hiroki
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Sprache:eng
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Zusammenfassung:For simple applications, such as the calibration of a charged particle detector, a multi-MeV proton generator may be preferable to cyclotrons or electrostatic accelerators such as Van de Graaff generator. Thus, a proton generating system, consisting of an 18 GHz superconducting (SC)-ECR ion source and a deuterated polyethylene target, was developed at the Research Center for Nuclear Physics at Osaka University. A 3He2+ beam of 400 eμA was generated by the SC-ECR ion source with the acceleration voltage of 20 kV in an experiment that utilized the fusion reaction 3He + deuteron (D) → proton(P) + 4He. Protons with energies of the order of several MeV were successfully generated at 3.67 Hz at the atmosphere side of the target in the experimental setup, using a novel target base with a thin aluminum window.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.5129577