Development of a High Granular TOF Neutron Detector for the BM@N Experiment

IF 0.4 4区工程技术 Q4 ENGINEERING, MULTIDISCIPLINARY Instruments and Experimental Techniques Pub Date : 2024-10-23 DOI:10.1134/S0020441224700702

F. F. Guber, M. B. Golubeva, A. A. Zubankov, A. P. Ivashkin, A. V. Izvestnyy, N. M. Karpushkin, D. D. Lyapin, M. V. Mamaev, A. I. Makhnev, S. V. Morozov, P. E. Parfenov, D. V. Serebryakov, D. A. Finogeev, A. I. Shabanov

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Abstract

This article describes the design of the HGND detector (High Granular Neutron Detector) for measuring azimuthal neutron fluxes in the range from 300 to 4000 MeV as well as heavy ions formed in nucleus-nucleus collisions at energies up to 4 AGeV in the BM@N (Baryonic Matter at Nuclotron) experiment on the extracted beam of the JINR Nuclotron, Dubna. The detector consists of 16 layers of plastic scintillation detectors having a cellular structure with copper absorption plates between the layers. The results of measuring the time resolution of scintillation cells using silicon photodetectors are presented. The proposed electronics circuit for reading signals from scintillation cells is described. The results of modeling the acceptance of a neutron detector, the efficiency of neutron detection, the neutron energy resolution, and an estimate of the neutron count rates for the Bi + Bi reaction at an energy of 3 AGeV are presented.

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为 BM@N 实验开发高颗粒 TOF 中子探测器

本文介绍了 HGND 探测器（高颗粒中子探测器）的设计，该探测器用于测量 300 至 4000 MeV 范围内的方位中子通量，以及在杜布纳 JINR 核燃料加速器提取束上进行的 BM@N（核燃料加速器重子物质）实验中，在能量高达 4 AGeV 的核-核碰撞中形成的重离子。该探测器由 16 层塑料闪烁探测器组成，具有蜂窝状结构，各层之间有铜吸收板。报告介绍了使用硅光电探测器测量闪烁池时间分辨率的结果。介绍了从闪烁池读取信号的拟议电子电路。介绍了对中子探测器的接受能力、中子探测效率、中子能量分辨率进行建模的结果，以及对能量为 3 AGeV 的 Bi + Bi 反应的中子计数率的估计。

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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.