为 Back-n 白中子源的中子共振成像开发的掺 B MCP 探测器

IF 3.6 1区 物理与天体物理 Q1 NUCLEAR SCIENCE & TECHNOLOGY Nuclear Science and Techniques Pub Date : 2024-08-10 DOI:10.1007/s41365-024-01512-3
Qiang Li, Li-Jiao Wang, Jing-Yu Tang, Xiang-Biao Qiu, Zhen Chen, Mao-Yuan Zhao, Chang-Jun Ning, Kai Pan, Wei Xu, Tao Li, Su-Peng Lu, Han Yi, Rui-Rui Fan, Chang-Qing Feng, Rong Zhang, Xiao-Yang Sun, Qi An, Hao-Fan Bai, Jiang-Bo Bai, Jie Bao, Ping Cao, Qi-Ping Chen, Yong-Hao Chen, Zeng-Qi Cui, An-Chuan Fan, Fan-Zhen Feng, Min-Hao Gu, Chang-Cai Han, Zi-Jie Han, Guo-Zhu He, Yong-Cheng He, Yang Hong, Yi-Wei Hu, Han-Xiong Huang, Wei Jiang, Zhi-Jie Jiang, Zheng-Yao Jin, Ling Kang, Bo Li, Gong Li, Xiao Li, Yang Li, Jie Liu, Rong Liu, Shu-Bin Liu, Yi-Na Liu, Guang-Yuan Luan, Jie Ren, Zhi-Zhou Ren, Xi-Chao Ruan, Zhao-Hui Song, Kang Sun, Zhi-Xin Tan, Sheng-Da Tang, Jin-Cheng Wang, Peng-Cheng Wang, Zhao-Hui Wang, Zhong-Wei Wen, Xiao-Guang Wu, Xuan Wu, Cong Xia, Yong-Ji Yu, Guo-Hui Zhang, Hang-Chang Zhang, Lin-Hao Zhang, Qi-Wei Zhang, Xian-Peng Zhang, Yu-Liang Zhang, Yue Zhang, Zhi-Yong Zhang, Zhi-Hao Zhou, Ke-Jun Zhu, Chong Zou
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引用次数: 0

摘要

中子共振成像(NRI)是最近出现的一种极具吸引力的中子射线成像技术。它的复杂性超过了传统的透射成像技术,因为它对中子源和探测器都有很高的要求。因此,自 20 世纪 80 年代诞生以来,中子射线成像技术的发展一直比较缓慢,特别是考虑到分析 keV 以上中子能量范围的研究有限。中国散裂中子源(CSNS)的白中子源(Back-n)为在从 eV 到 MeV 的宽中子能量范围内发展 NRI 技术提供了有利的束流条件。中子敏感微通道板(MCP)因其高时空分辨率、高探测效率和低噪声而成为中子探测领域的前沿工具。在这项研究中,我们报告了一个掺杂(^{10}\)B的MCP探测器的开发情况,以及其相关的电子设备、数据处理系统和在Back-n进行的NRI实验。个别重元素,如金、银、钨和铟,可以通过其在 1-100 eV 能量范围内的特征共振峰,在透射图像中很容易地识别出来;更难识别的中量级元素,如铁、铜和铝,其在 1-100 keV 能量范围内的共振峰也可以识别出来。特别是,这里首次报告了数十千伏中子能量范围内的结果(铝)。
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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$$^{10}$$ B-doped MCP detector developed for neutron resonance imaging at Back-n white neutron source

Neutron resonance imaging (NRI) has recently emerged as an appealing technique for neutron radiography. Its complexity surpasses that of conventional transmission imaging, as it requires a high demand for both a neutron source and detector. Consequently, the progression of NRI technology has been sluggish since its inception in the 1980s, particularly considering the limited studies analyzing the neutron energy range above keV. The white neutron source (Back-n) at the China Spallation Neutron Source (CSNS) provides favorable beam conditions for the development of the NRI technique over a wide neutron energy range from eV to MeV. Neutron-sensitive microchannel plates (MCP) have emerged as a cutting-edge tool in the field of neutron detection owing to their high temporal and spatial resolutions, high detection efficiency, and low noise. In this study, we report the development of a \(^{10}\)B-doped MCP detector, along with its associated electronics, data processing system, and NRI experiments at the Back-n. Individual heavy elements such as gold, silver, tungsten, and indium can be easily identified in the transmission images by their characteristic resonance peaks in the 1–100 eV energy range; the more difficult medium-weight elements such as iron, copper, and aluminum with resonance peaks in the 1–100 keV energy range can also be identified. In particular, results in the neutron energy range of dozens of keV (Aluminum) are reported here for the first time.

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来源期刊
Nuclear Science and Techniques
Nuclear Science and Techniques 物理-核科学技术
CiteScore
5.10
自引率
39.30%
发文量
141
审稿时长
5 months
期刊介绍: Nuclear Science and Techniques (NST) reports scientific findings, technical advances and important results in the fields of nuclear science and techniques. The aim of this periodical is to stimulate cross-fertilization of knowledge among scientists and engineers working in the fields of nuclear research. Scope covers the following subjects: • Synchrotron radiation applications, beamline technology; • Accelerator, ray technology and applications; • Nuclear chemistry, radiochemistry, radiopharmaceuticals, nuclear medicine; • Nuclear electronics and instrumentation; • Nuclear physics and interdisciplinary research; • Nuclear energy science and engineering.
期刊最新文献
Properties of the phase diagram from the Nambu-Jona-Lasino model with a scalar-vector interaction In-beam gamma rays of CSNS Back-n characterized by black resonance filter Analysis of level structure and monopole effects in Ca isotopes Highly coupled off-resonance lattice design in diffraction-limited light sources Possibility of reaching the predicted center of the “island of stability” via the radioactive beam-induced fusion reactions
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