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 SrF 3 − . Initial tests with 27 AlO − and 63 Cu − 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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Publication Details

Journal
Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms
Published
2025-05-14
DOI
https://doi.org/10.1016/j.nimb.2025.165751
Primary Topic
Superconducting Materials and Applications
Type
article
Field-Weighted Citation Impact
0.00

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article

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

D. Mücher, Tibor J. Dunai, M. Schiffer, Peter Steier et al.
Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms
Superconducting Materials and Applications
article

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

D. Mücher, Tibor J. Dunai, M. Schiffer, Peter Steier, Robin Golser, Erik Strub, Oscar Marchhart, Martin Martschini, Gereon Weingarten, Elisa Linnartz
article en

Abstract

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 SrF 3 − . Initial tests with 27 AlO − and 63 Cu − 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.

Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and AtomsVol. 565
University of Vienna (AT), University of Cologne (DE)
European Commission, HORIZON EUROPE Framework Programme
Openalex Percentile: Top 90%
Superconducting Materials and Applications
DOIOpen Access PDFOpenAlex
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First performance tests of the new advanced radiofrequency quadrupole for ALIS at the test bench setup at VERA — D. Mücher, Tibor J. Dunai, et al. · Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms (2025) | TGRS Research Map | TGRS