HIBISCUS: A new ion beam radio-frequency quadrupole cooler-buncher for high-precision experiments with exotic radioactive ions

IF 1.4 3区物理与天体物理 Q3 INSTRUMENTS & INSTRUMENTATION Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment Pub Date : 2025-04-01 Epub Date: 2025-02-03 DOI:10.1016/j.nima.2025.170273

A. Jaries , J. Ruotsalainen , R. Kronholm , T. Eronen , A. Kankainen

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引用次数: 0

Abstract

HIBISCUS (Helium-Inflated Beam Improvement Setup that Cools and Undermines Spreads), a new radiofrequency quadrupole cooler-buncher device has been developed and commissioned offline at the Ion Guide Isotope Separator On-Line (IGISOL) facility in Jyväskylä in Finland, as an in-kind contribution for the Facility for Antiproton and Ion Research facility. HIBISCUS improves the ion optical properties of incident low-energy 6 keV beams with the option to have it ultimately extracted in temporally short bunches (

< 1

μ s

). This paper provides technical descriptions of its main characteristics, along with a set of optimum working parameters and performance in terms of transmission efficiency, longitudinal energy spread of the cooled ions and temporal width of the extracted bunches.

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一种新型离子束射频四极冷却器，用于对外来放射性离子进行高精度实验

HIBISCUS（氦气膨胀束改进装置，用于冷却和破坏扩散）是一种新型的射频四极冷却器-聚束器设备，位于芬兰Jyväskylä的离子引导同位素在线分离器（IGISOL）设施已开发并离线调试，作为反质子和离子研究设施的实物贡献。HIBISCUS改善了入射低能量6 keV光束的离子光学特性，并可选择最终以短暂的短束（<1 μs）提取。本文对其主要特性进行了技术描述，并从传输效率、冷却离子的纵向能量扩散和提取束的时间宽度等方面提出了一套最佳工作参数和性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment 物理-光谱学

CiteScore

3.20

自引率

21.40%

发文量

787

审稿时长

1 months

期刊介绍： Section A of Nuclear Instruments and Methods in Physics Research publishes papers on design, manufacturing and performance of scientific instruments with an emphasis on large scale facilities. This includes the development of particle accelerators, ion sources, beam transport systems and target arrangements as well as the use of secondary phenomena such as synchrotron radiation and free electron lasers. It also includes all types of instrumentation for the detection and spectrometry of radiations from high energy processes and nuclear decays, as well as instrumentation for experiments at nuclear reactors. Specialized electronics for nuclear and other types of spectrometry as well as computerization of measurements and control systems in this area also find their place in the A section. Theoretical as well as experimental papers are accepted.