Grussie F, O'Connor A P, Grieser M, Müll D, Znotins A, Urbain X, Kreckel H
Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, Germany.
Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Louvain-la-Neuve B 1348, Belgium.
Rev Sci Instrum. 2022 May 1;93(5):053305. doi: 10.1063/5.0086391.
We describe a merged beams experiment to study ion-neutral collisions at the Cryogenic Storage Ring of the Max Planck Institute for Nuclear Physics in Heidelberg, Germany. We produce fast beams of neutral atoms in their ground term at kinetic energies between 10 and 300 keV by laser photodetachment of negative ions. The neutral atoms are injected along one of the straight sections of the storage ring, where they can react with stored molecular ions. Several dedicated detectors have been installed to detect charged reaction products of various product-to-reactant mass ranges. The relative collision energy can be tuned by changing the kinetic energy of the neutral beam in an independent drift tube. We give a detailed description of the setup and its capabilities, and present proof-of-principle measurements on the reaction of neutral C atoms with D ions.
我们描述了一项在德国海德堡的马克斯·普朗克核物理研究所的低温存储环中研究离子 - 中性粒子碰撞的合并束实验。我们通过负离子的激光光剥离产生处于基态、动能在10至300 keV之间的中性原子快束。中性原子沿着存储环的一个直线段注入，在那里它们可以与存储的分子离子发生反应。已安装了几个专用探测器来检测各种产物与反应物质量范围的带电反应产物。通过在独立漂移管中改变中性束的动能，可以调节相对碰撞能量。我们详细描述了该装置及其功能，并展示了中性C原子与D⁺离子反应的原理验证测量结果。
