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Radioindium and determination of neutron radial asymmetry for the PF-1000 plasma focus device

机译:PF-1000等离子聚焦装置的放射性铟和中子径向不对称性的确定

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摘要

Indium activation was used for radial neutron distribution measurements. The dense plasma focus device PF-1000 was used as the D-D neutron source. The geometry of the indium samples used to determine the neutron radial asymmetry (R (as)) was beforehand optimized for sufficient gamma-registration efficiency. The samples were placed on the vacuum vessel's outer wall, activated, and measured by gamma-ray spectrometry. The experiment was supported by Monte Carlo calculations of the activation factor, allowing R (as) to be calculated. The parameters R (as) and the shift of neutron emission center introduced here are useful for describing D-D neutron emission distributions.
机译:铟活化用于径向中子分布测量。密集等离子体聚焦装置PF-1000被用作D-D中子源。预先确定用于确定中子径向不对称性(R(as))的铟样品的几何形状,以获得足够的伽马配准效率。将样品放置在真空容器的外壁上,活化,并通过伽马射线光谱法测量。该实验得到了激活因子的蒙特卡洛计算的支持,从而可以计算出R(as)。这里介绍的参数R(as)和中子发射中心的位移对于描述D-D中子发射分布是有用的。

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