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首页> 外文期刊>Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment >Experiments with low energy ion beam transport into toroidal magnetic fields
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Experiments with low energy ion beam transport into toroidal magnetic fields

机译：低能离子束传输到环形磁场中的实验

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摘要

The stellarator-type storage ring for accumulation of multi-Ampere proton, and other intense ion beams with energies in the range of 100 AkeV to 1 AMeV is designed at Goethe university, Frankfurt am Main. The first proposal for beam confinement with high transversal momentum acceptance was presented in EPAC2006. This ring is typically suited for experiments in plasma physics and nuclear astrophysics. The accumulator ring with a closed longitudinal magnetic field is foreseen with a flux density up to 6-8 T. For demonstration, experiments were carried out with two toroidal segments operated at room temperature. The beam transport experiments in toroidal magnetic fields were first described in EPAC2008 within the framework of a proposed low energy ion storage ring. The test setup aims at developing a ring injection system with two beam lines representing the main beam line and the injection line. The primary beam line for the experiments was installed and successfully commissioned in 2009. A special diagnostics probe for "in situ'' ion beam detection was installed. This modular technique allows online diagnostics of the ion beam along the beam path. In this paper, we present new results on beam transport experiments, with single segment and coupled configuration. The measurements are shown to be in agreement with the numerical model.
机译：恒星型储能环，用于在美国法兰克福的歌德大学设计储能，用于储存多安培质子以及能量在100 AkeV至1 AMeV范围内的其他强离子束。在EPAC2006中提出了具有高横向动量接受能力的束流约束的第一个建议。该环通常适合于等离子体物理学和核天体物理学中的实验。可以预见具有闭合纵向磁场的储能环，其磁通密度可达6-8T。为演示起见，对在室温下运行的两个环形段进行了实验。在EPAC2008中首先在拟议的低能离子存储环的框架内描述了环形磁场中的束传输实验。该测试装置旨在开发一种环形注射系统，该系统具有两条代表主光束线和注射线的光束线。实验的主要射束线已在2009年安装并成功调试，并安装了用于“原位”离子束检测的特殊诊断探头，这种模块化技术可在线诊断沿束路径的离子束。我们给出了单段和耦合配置的束传输实验的新结果，测量结果与数值模型吻合。

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