KACST新型静电离子储存环的设计
Design of a novel electrostatic ion storage ring at KACST
摘要：
目前，阿卜杜勒阿齐兹国王科技城国家数学和物理中心（NCMP）正在开发一个新的能量高达30 keV. q的电子束静电存储环。环的设计以现有的静电储存环为基础，但大大超出了它们，因为它将成为KACST独特的灵活实验设施的核心。这个环的晶格设计的方式，使使用国家的最先进的实验方法来研究电子离子，激光离子，和离子中性束相互作用。晶格设计还允许将来将环升级为双存储环结构，这将使得能够执行离子-离子束相互作用。在本文中，我们提出了这个环的设计，重点是束流动力学计算的7 o单弯赛道布局。本研究主要基于SIMION 8程序。我们进一步补充了这项研究，使用专用编写的例程和MAD-X模拟代码。本文对静电光学元件中考虑非线性场分量时的光束稳定性进行了深入的研究。最后讨论了不同的工作点和稳定区域。
英文摘要：
A new electrostatic storage ring for beams at energies up to 30keV.q is currently under development at the National Centre for Mathematics and Physics (NCMP), King Abdulaziz City for Science and Technology (KACST). The ring design is based on the existing electrostatic storage rings, but stretches significantly beyond them in that it shall form the core of a unique flexible experimental facility at KACST. The lattice of this ring has been designed in a way that enables the use of state-of-the-art experimental methods to study electron-ion, laser-ion, and ion-neutral beams interactions. The lattice design also allows for a future upgrade of the ring to a double storage ring structure that would enable ion-ion beam interactions to be performed. In this paper, we present the design of this ring with a focus on beam dynamics calculations for the 7o single-bend racetrack layout. The study is principally based on the SIMION8 program. We complemented this study further by using purpose-written routine and MAD-X simulation code. An in-depth investigation into beam stability under consideration of non-linear field components in the electrostatic optical elements, is presented. Finally, different working points and stability regions are discussed.
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