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LINAC for charge-symmetrical four-isotopic heavy-ion driver

L.A. Yudin, M.I. Kapchinsky, I.L. Korenev, D.G. Koshkarev1996年Fusion Engineering and DesignIF 1.7出版社

AbstractA linear accelerator (linac) for single charged (positive and negative) ions of the four various Pt isotopes has been proposed. Eight beams of different charges and masses of ions are accelerated in parallel RFQ channels to an energy of 100 MeV. The beams are then brought together by a system of alternating gradient magnets for a 180° bending and matching of the beams. The main channel that accelerates all the beams together consists of three stages. The first stage (until 600 MeV) is a Wideroe structure, followed by two consecutive Alvarex channels (2.5 GeV and 10 GeV) that have different radio frequencies. The characteristics of the output beam for each kind of ions are as follows: average pulse current, 130 mA; horizontal emittance, 0.67π cm mrad; vertical emittance, 0.47π cm mrad; momentum spread, ±07%, bunch length, 3.6 cm; spacing between bunches of each kind, 15.3 m.

日本語訳

4種類の白金同位体の単荷電(正および負)イオン用の線形加速器が提案されている。異なる電荷および質量を持つ8本のイオンビームが、並列RFQチャンネル内で100 MeVまで加速される。その後、ビームは交番勾配磁石システムによって180°偏向され、整合される。全ビームを同時に加速する主チャンネルは、3つの段階から構成される。第1段階(600 MeVまで)はWideroe構造であり、続いて2つの連続したAlvarexチャンネル(2.5 GeVおよび10 GeV)が異なる高周波数で動作する。各イオン種に対する出力ビームの特性は以下の通りである:平均パルス電流、130 mA;水平エミッタンス、0.67π cm mrad;垂直エミッタンス、0.47π cm mrad;運動量広がり、±0.07%;バンチ長、3.6 cm;各イオン種のバンチ間隔、15.3 m。

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