A Study on Inhomogeneous Neutron Intensity Distribution Origin from Neutron Guide Transportation

Yu Wang, Guohai Wei, Hongli Wang, Yuntao Liu, Linfeng He, Kai Sun, Songbai Han, Dongfeng Chen
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引用次数: 2

Abstract

The uniformity of the neutron intensity spatial distribution at the sample position will directly affect the neutron imaging quality. But the unexpected inhomogeneous spatial distribution phenomenon always appears in the neutron radiography facilities installed at the end of neutron guide. In this paper, the source of this phenomenon has been analyzed through geometrical optics and confirmed by Monte Carlo simulations, and several optimization solutions are also proposed.

中子导输引起的非均匀中子强度分布研究
样品位置中子强度空间分布的均匀性将直接影响中子成像质量。但是,安装在中子导管末端的中子照相设备往往会出现意想不到的非均匀空间分布现象。本文通过几何光学分析了这一现象的来源,并通过蒙特卡罗模拟证实了这一现象,并提出了几种优化方案。
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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