An automated, high throughput, trace element end station for Crocker Nuclear Laboratory’s isochronous cyclotron

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 : 2025-09-09 DOI:10.1016/j.nimb.2025.165864

Nicholas J. Spada , Carlos M. Castaneda , Michael Backfish , Sinan Yatkin , Alexa M. Wells , Hanna Q. Best , Eric J. Prebys

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引用次数: 0

Abstract

The end station of an isochronous cyclotron was recently updated to analyze size-segregated ambient particulate matter samples from a concurrent air monitoring campaign near a marine shipping terminal that stored coal and petroleum coke. The unique capabilities of cyclotron-based elemental analysis by Proton Elastic Scattering Analysis (PESA), Rutherford Backscattering (RBS), and Proton Induced X-ray Emission analysis (PIXE) allowed quantification of 27 elements in eight discrete particle size bins at three-hour temporal resolution. The method validation was performed by analysis of standard reference materials, a set of blanks and samples. The detection limits, uncertainty and precision were similar to comparable experiments reported in the literature. The analyses of high-time resolution size-segregated PM revealed that the developed methodology has a great potential to improve understanding of short-lived pollution episodes. While the end station will continue to be optimized, it will be leveraged for inter-disciplinary studies in various scientific fields.

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自动，高通量，微量元素终端站克罗克核实验室的等时回旋加速器

一个等时回旋加速器的终端站最近进行了更新，以分析从一个储存煤炭和石油焦的海运码头附近的同步空气监测活动中提取的大小分离的环境颗粒物样本。质子弹性散射分析（PESA）、卢瑟福后向散射（RBS）和质子诱导x射线发射分析（PIXE）等基于回旋加速器的元素分析的独特能力，可以在3小时的时间分辨率下，对8个离散粒度箱中的27种元素进行定量分析。通过标准对照品、空白和样品的分析对方法进行了验证。检出限、不确定度和精密度与文献报道的可比实验相似。对高时间分辨率大小分离PM的分析表明，所开发的方法具有很大的潜力，可以提高对短期污染事件的理解。虽然终端站将继续优化，但它将用于各种科学领域的跨学科研究。

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 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.