Development of a scintillating-fiber-based beam monitor for the coherent muon-to-electron transition experiment

IF 3.6 1区 物理与天体物理 Q1 NUCLEAR SCIENCE & TECHNOLOGY
Yu Xu, Yun-Song Ning, Zhi-Zhen Qin, Yao Teng, Chang-Qing Feng, Jian Tang, Yu Chen, Yoshinori Fukao, Satoshi Mihara, Kou Oishi
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引用次数: 0

Abstract

The coherent muon-to-electron transition (COMET) experiment is a leading experiment for the coherent conversion of \(\mu ^- \textrm{N}\rightarrow e^- \textrm{N}\) using a high-intensity pulsed muon beamline, produced using innovative slow-extraction techniques. Therefore, it is critical to measure the muon beam characteristics. We set up a muon beam monitor (MBM), where scintillating fibers woven in a cross shape were coupled to silicon photomultipliers to measure the spatial profile and timing structure of the extracted muon beam for the COMET. The MBM detector was tested successfully with a proton beamline at the China Spallation Neutron Source and took data with good performance in the commissioning run. The development of the MBM, including its mechanical structure, electronic readout, and beam measurement results, are discussed

Abstract Image

为相干μ介子-电子转变实验开发基于闪烁光纤的光束监测器
μ介子到电子的相干转换(COMET)实验是利用创新的慢提取技术产生的高强度脉冲μ介子束线进行μ介子到电子的相干转换(\mu ^- \textrm{N}\rightarrow e^- \textrm{N}\ )的领先实验。因此,测量μ介子束的特性至关重要。我们建立了一个μ介子束监测器(MBM),将编织成十字形的闪烁纤维耦合到硅光电倍增管上,以测量COMET提取的μ介子束的空间轮廓和时序结构。在中国溅射中子源的质子束线上成功地测试了μ介子探测器,并在试运行中获得了性能良好的数据。本文讨论了μ介子束探测器的发展,包括其机械结构、电子读出和束流测量结果。
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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.
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