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A novel design for heavy ion beam funnelling

J. Madlung, A. Schempp, A. Firjahn-Andersch1996年Fusion Engineering and DesignIF 1.7出版社

AbstractIn heavy ion inertial fusion (HIIF) injectors the current accumulation is done by beam funnelling. A novel scheme for an r.f. funnelling deflector operating at low voltages has been developed. With the use of convergent incoming beams a short structure placed around the beam crossing position seems to be possible. The design of the multigap deflector geometry and the results of particle simulations together with r.f. structure development will be discussed. The experimental set-up for a combination of a two-beam radio-frequency quadrupole (RFQ) with such a deflector for funnelling of two He + beams at low energies will be presented.

日本語訳

重イオン慣性核融合(HIIF)入射器において、電流蓄積はビーム合流によって行われる。低電圧で動作する高周波合流偏向器の新しい方式が開発された。収束する入射ビームを用いることで、ビーム交差位置の周囲に配置される短い構造が可能と思われる。多ギャップ偏向器の形状設計と、高周波構造の開発とともに、粒子シミュレーションの結果について議論する。低エネルギーの2本のHe+ビームを合流させるための、そのような偏向器を備えた2ビーム高周波四重極(RFQ)の組み合わせに関する実験装置を提示する。

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