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<p>We have designed a high-current Q/A = 1/2 K100 cyclotron capable of producing radiotracers for industry. The ions should have the mass to charge ratio Q/A = 1/2 such as H<sub>2</sub><sup>+</sup>, D<sup>+</sup>, He<sup>2+</sup> and their maximum energy is 25&#xa0;MeV/u. The maximum proton current is expected to be over 2&#xa0;mA if the space charge effect at injection is the limiting factor. Extraction efficiency should be over 99% at a beam power of 50&#xa0;kW to avoid severe radio activation. The final radial gain with four RF dees at 100&#xa0;kV is about 9&#xa0;mm by RF acceleration and can be enlarged by orbital precession. In addition, charge-stripping extraction can be used for H<sub>2</sub><sup>+</sup> enabling energy variability.</p>

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Design study of a high-current Q/A = 1/2 K100 compact cyclotron for the production of radiotracers for industry

  • 期刊论文

  • 发表日期：

    2025年12月6日

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  • Jongwon Kim

摘要

We have designed a high-current Q/A = 1/2 K100 cyclotron capable of producing radiotracers for industry. The ions should have the mass to charge ratio Q/A = 1/2 such as H2+, D+, He2+ and their maximum energy is 25 MeV/u. The maximum proton current is expected to be over 2 mA if the space charge effect at injection is the limiting factor. Extraction efficiency should be over 99% at a beam power of 50 kW to avoid severe radio activation. The final radial gain with four RF dees at 100 kV is about 9 mm by RF acceleration and can be enlarged by orbital precession. In addition, charge-stripping extraction can be used for H2+ enabling energy variability.