A new cylindrical detector for borehole muon radiography

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Pub Date : 2023-03-01 DOI:10.1016/j.nima.2022.167995

G. Saracino, F. Ambrosino, A. Anastasio, L. Cimmino, M. D’ Errico, V. Masone, M. Mirra, L. Roscilli

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Abstract

Muons of cosmic origin have a great capability to penetrate through matter. This property is exploited in muon radiography, also known as muography, a technique which allows to highlight the presence of discontinuities of the mass density in the subsoil such as cavities, tunnels or rock masses. A detector of cylindrical geometry, optimized for borehole studies and with a diameter of 24 cm, was developed and tested . The scintillation light is read out by 384 Silicon Photomultipliers, directly coupled to the bars. The front-end and acquisition electronics, entirely housed inside the detector, are based on the EASIROC chip and are characterized by limited energy consumption (about 30 W for the entire detector). The detector has been designed in such a way as to simplify its construction as much as possible for its eventual mass production. In this article some details concerning the construction and preliminary results of measurements conducted in the Mt Echia (Naples, Italy) underground are presented.

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一种用于钻孔介子射线照相的新型圆柱形探测器

宇宙起源的μ子有很强的穿透物质的能力。这种特性在介子射线照相中得到了利用，也被称为微影照相，这种技术可以突出显示地下土壤中物质密度的不连续性，如洞穴、隧道或岩体。开发并测试了一种圆柱形探测器，该探测器针对钻孔研究进行了优化，直径为24厘米。闪烁光由384个硅光电倍增管读出，直接耦合到光棒上。前端和采集电子设备完全安装在探测器内部，基于EASIROC芯片，其特点是能量消耗有限(整个探测器约30 W)。该探测器的设计使其结构尽可能地简化，以便于最终的大规模生产。本文介绍了在意大利那不勒斯埃希亚山(Mt Echia)地下进行的一些施工细节和初步测量结果。

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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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

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