新先进的射频四极杆在VERA的试验台进行了首次性能测试

IF 1.4 3区物理与天体物理 Q3 INSTRUMENTS & INSTRUMENTATION

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-05-14 DOI:10.1016/j.nimb.2025.165751

Oscar Marchhart , Markus Schiffer , Martin Martschini , Gereon Weingarten , Peter Steier , Elisa Linnartz , Erik Strub , Tibor Dunai , Dennis Mücher , Robin Golser

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引用次数: 0

摘要

为科隆大学阴离子激光等压线分离器（ALIS）开发了一种新的先进射频四极（RFQ）离子冷却器，用于加速器质谱分析。基于维也纳环境研究加速器（VERA）的离子-激光相互作用质谱（ILIAMS）装置，它具有新的引导电极和离子光学，试图解决减速和捕获强重分子离子束（如SrF3−）的挑战。用27AlO -和63Cu -进行的初步测试显示，传输率为~ 30%，离子停留时间为毫秒，表明冷却器工作正常。虽然很有希望，但需要进一步的优化才能完全实现期望的效率和稳定性。

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First performance tests of the new advanced radiofrequency quadrupole for ALIS at the test bench setup at VERA

A new advanced radiofrequency quadrupole (RFQ) ion cooler for accelerator mass spectrometry has been developed for the Anion Laser Isobar Separator (ALIS) at CologneAMS. Based on the Ion-Laser Interaction Mass Spectrometry (ILIAMS) setup at the Vienna Environmental Research Accelerator (VERA), it features new guiding electrodes and ion optics trying to solve challenges in decelerating and trapping intense heavy molecular ion beams, such as SrF₃⁻. Initial tests with ²⁷AlO⁻ and ⁶³Cu⁻ show ∼ 30% transmission and millisecond ion residence times, demonstrating that the cooler is functioning properly. While promising, further optimizations are needed to fully achieve the desired efficiency and stability.

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来源期刊

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms 物理-核科学技术

CiteScore

2.80

自引率

7.70%

发文量

231

审稿时长

1.9 months

期刊介绍： Section B of Nuclear Instruments and Methods in Physics Research covers all aspects of the interaction of energetic beams with atoms, molecules and aggregate forms of matter. This includes ion beam analysis and ion beam modification of materials as well as basic data of importance for these studies. Topics of general interest include: atomic collisions in solids, particle channelling, all aspects of collision cascades, the modification of materials by energetic beams, ion implantation, irradiation - induced changes in materials, the physics and chemistry of beam interactions and the analysis of materials by all forms of energetic radiation. Modification by ion, laser and electron beams for the study of electronic materials, metals, ceramics, insulators, polymers and other important and new materials systems are included. Related studies, such as the application of ion beam analysis to biological, archaeological and geological samples as well as applications to solve problems in planetary science are also welcome. Energetic beams of interest include atomic and molecular ions, neutrons, positrons and muons, plasmas directed at surfaces, electron and photon beams, including laser treated surfaces and studies of solids by photon radiation from rotating anodes, synchrotrons, etc. In addition, the interaction between various forms of radiation and radiation-induced deposition processes are relevant.