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1 100 MeV径向靶系统简介原子能院研制的100 MeV强流回旋加速器采用紧凑型、等时性方案。针对束流中心平面高度小、加速器径向尺寸大、等时性好等特点,在径向靶的主体设计上,采用4.58 m长径向靶杆沿磁极中心平面从真空室外部插入到中心区的径向插入方式。径向靶运动距离2 258 mm,确保能够深入到加速器中心,退出时能退到真空室以外,在加速器正常运行时,通过闸板阀将径向靶与主真空室隔离。径向靶在加速器上的安装示意图如图1所示。
1 100 MeV Radial Target System Introduction The 100 MeV intense current cyclotron developed by IAEA uses a compact, isochronous scheme. Aiming at the characteristics of small beam center plane height, large accelerator radial size and good isochronism, a radial target of 4.58 m was used to insert the radial target from the outside of the vacuum chamber into the central zone The radial insertion method. The radial target movement distance of 2 258 mm ensures that it can penetrate into the center of the accelerator and retract out of the vacuum chamber during exit, isolating the radial target from the main vacuum chamber through the gate valve during normal operation of the accelerator. Radial target on the accelerator installation diagram shown in Figure 1.