Position Sensitive Detector Based on Microchannel Plates for Measuring the Characteristics of Fission Fragments at the MAVR Facility

IF 0.4 4区 工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY
D. Aznabaev, T. Isataev, S. M. Lukyanov, V. I. Smirnov, S. S. Stukalov, A. N. Solodov
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引用次数: 0

Abstract

This paper presents the results of measurements of fission fragments using a time-of-flight system with a position-sensitive detector based on microchannel plates designed to measure the masses of nuclear reaction products at the MAVR facility. The advantage of such MCPs is their high positional sensitivity and high efficiency of registration of heavy charged particles with low energy. The paper presents a technical description of the fission fragments registration system and the results of measuring the parameters of a position-sensitive detector based on large-area microchannel plates (40 × 60 mm2) obtained by measuring 252Cf spontaneous fission fragments. The coordinate resolution along the X and Y axes was determined when fission fragments were registered in the 14N+192Au reaction at the MAVR installation. The time resolution of the PSD was obtained by registering the time of flight of alpha particles emitted by the radioactive source 226Ra.

Abstract Image

基于微通道板的位置敏感探测器,用于在 MAVR 设备上测量裂变碎片的特性
摘要 本文介绍了利用飞行时间系统对裂变碎片进行测量的结果,该系统带有一个基于微通道板的位置敏感探测器,旨在测量 MAVR 设施中核反应产物的质量。这种微通道板的优点是位置灵敏度高,对低能量重带电粒子的登记效率高。本文介绍了裂变碎片登记系统的技术说明,以及通过测量 252Cf 自发裂变碎片获得的基于大面积微通道板(40 × 60 平方毫米)的位置敏感探测器参数的测量结果。在 MAVR 装置上对 14N+192Au 反应中的裂变碎片进行登记时,确定了沿 X 轴和 Y 轴的坐标分辨率。PSD 的时间分辨率是通过记录放射源 226Ra 发射的 α 粒子的飞行时间获得的。
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来源期刊
Instruments and Experimental Techniques
Instruments and Experimental Techniques 工程技术-工程:综合
CiteScore
1.20
自引率
33.30%
发文量
113
审稿时长
4-8 weeks
期刊介绍: Instruments and Experimental Techniques is an international peer reviewed journal that publishes reviews describing advanced methods for physical measurements and techniques and original articles that present techniques for physical measurements, principles of operation, design, methods of application, and analysis of the operation of physical instruments used in all fields of experimental physics and when conducting measurements using physical methods and instruments in astronomy, natural sciences, chemistry, biology, medicine, and ecology.
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