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19–24 Oct 2025
Chateau Fairmont Whistler
America/Vancouver timezone

Development of an isober separator using skew-induced betatron resonance in a multi-radio-frequency quadrupole

21 Oct 2025, 19:20
1m
MacDonald Foyer (Fairmont Chateau Whistler)

MacDonald Foyer

Fairmont Chateau Whistler

Poster contribution Low-energy and in-flight separators Poster Session

Speaker

Hiroki Kobayashi

Description

We have developed a novel mass separator—the multi-radio-frequency quadrupole (MRFQ)—that exploits betatron resonance. A distinctive feature of the MRFQ is the deliberate application of a skew electric field to induce the strong sum resonance. It has been theoretically verified that isobar separation is possible by utilizing the sharpness of the induced resonance, and we fabricate a prototype of MRFQ and experimentally verify it. Its performance, including mass resolving power, has been evaluated with ⁴⁰Ca⁺, ⁴⁰Ar⁺, ⁴⁴Ca⁺, and ⁴⁴CO₂⁺ ion beams. The operating principle and detailed experimental results will be presented in the poster.

Email address kobayashi.hiroki.24r@st.kyoto-u.ac.jp
Supervisor's Name Masanori Wakasugi
Supervisor's email wakasugi.masanori.8z@kyoto-u.ac.jp
Classification Low-energy and in-flight separators

Primary author

Co-author

Masanori Wakasugi (Kyoto University)

Presentation materials

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