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arXiv 2501.08792physics.ins-detnucl-ex
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便携式中子-伽马成像仪GN-Vision的首批实验结果与优化研究

First experimental results and optimization study of the portable neutron-gamma imager GN-Vision

Jorge Lerendegui-Marco, James Hallam, Gastón Cisterna, Andrea Sanchis-Moltó, Javier Balibrea-Correa, Víctor Babiano, David Calvo, Gabriel de la Fuente, Bernardo… 展开作者

Jorge Lerendegui-Marco, James Hallam, Gastón Cisterna, Andrea Sanchis-Moltó, Javier Balibrea-Correa, Víctor Babiano, David Calvo, Gabriel de la Fuente, Bernardo Gameiro, Ion Ladarescu, Pablo Torres-Sánchez, César Domingo-Pardo

AI总结:

本研究展示了紧凑型双模态中子-伽马成像仪GN-Vision原型的首批中子成像实验结果,结合康普顿成像与被动准直技术,并通过蒙特卡罗模拟优化中子准直系统以提升效率与成本效益,推动其在核安全等领域的实际应用。

摘要:

GN-Vision是一款紧凑型双模态成像设备,旨在同时定位γ射线与慢中子源的空间起源,在核安全、核安保以及强子治疗领域具备应用潜力。该系统采用两个位置灵敏探测平面,将用于γ射线可视化的康普顿成像技术与用于慢中子及热中子(能量低于100 eV)成像的被动准直技术相结合。本文展示了GN-Vision初始原型机的首批实验成果,研究重点为其中子成像能力的开发。在本次实验评估之后,我们探究了该设备的性能潜力,并讨论了数种基于蒙特卡罗模拟的优化方案,这些方案旨在改进中子准直系统。此类优化旨在提升实时成像效率与成本效益,增强GN-Vision在未来实际部署中的适用性。

英文摘要:

GN-Vision is a compact, dual-modality imaging device designed to simultaneously localize the spatial origin of $γ$-ray and slow neutron sources, with potential applications in nuclear safety, security, and hadron therapy. The system utilizes two position-sensitive detection planes, combining Compton imaging techniques for $γ$-ray visualization with passive collimation for imaging slow and thermal neutrons (energies below 100 eV). This paper presents the first experimental outcomes from the initial GN-Vision prototype, focused on the development of its neutron imaging capabilities. Following this experimental assessment, we explore the device$'$s performance potential and discuss several Monte Carlo simulation-based optimizations aimed at refining the neutron collimation system. These optimizations seek to improve real-time imaging efficiency and cost-effectiveness, enhancing GN-Vision$'$s applicability for future practical deployments.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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