Development and Research of a System for Measuring the Distribution of Surface Beta-Radiation Yield of a Flat Source

IF 0.4 4区工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI:10.1134/S0020441224701057

S. G. Novikov, A. V. Berintsev, A. S. Alekseev, A. V. Zhukov, R. A. Kuznetsov, K. S. Bobrovskaya, A. A. Chertoriiskii, V. V. Prikhod’ko

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Abstract

A system for measuring the spatial distribution of the of beta radiation flux from the radiation source surface has been developed and studied. The principal element of the measuring system is a probe sensor based on scintillation optical fiber, the output optical signal from which is fed to the input of the photon counter and further processed by a microcontroller. Using the numerical modeling method and the Geant4 software libraries, the sensitivity parameters of the sensor element were calculated for the process of measuring the beta radiation flux from the surface of a 63Ni based flat source. The spatial distribution of the yield of beta electrons from a 1 × 1 cm² source and the dependence of the sensitivity of the probe on the distance to the source were experimentally studied. The experimental data are in good agreement with the results of the model calculation.

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平面源表面辐射产率分布测量系统的研制

研制了一种测量辐射源表面β辐射通量空间分布的系统。该测量系统的主要元件是基于闪烁光纤的探头传感器，其输出的光信号被送入光子计数器的输入端，并由单片机进行处理。利用数值模拟方法和Geant4软件库，计算了测量63Ni基平面源表面β辐射通量过程中传感器元件的灵敏度参数。实验研究了1 × 1 cm2源β电子产率的空间分布，以及探针灵敏度与源距离的关系。实验数据与模型计算结果吻合较好。

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来源期刊

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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