微化石的高分辨率中子成像

2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC) Pub Date : 2012-10-01 DOI:10.1109/NSSMIC.2012.6551099

J. Jakubek, S. Pospíšil, J. Vacík, D. Vavřík

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引用次数: 1

摘要

在白垩沉积物中可以发现数十亿年的化石标本，其中只有少量植物细胞的碳残留在薄薄的夹层中。在他们的研究中，希望对这些化石进行无损鉴定。在这项工作中，我们研究了利用热中子成像相对高Z矿物材料内部微小碳结构的可能性。微化石的检测和可视化既需要微米尺度的空间分辨率，又需要微克碳的可检测性。

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High resolution neutron imaging of microfossils

Fossil specimen with age in the scale of several billions years can be found hidden in chalk sediments where only a small amount of carbon remains from plant cells embedded in the form of thin interlayers. For their study it is desired to identify such fossils nondestructively. In this work we investigate the possibility to image the tiny carbon structures inside of the relatively high Z mineral material using thermal neutrons. Both micro metric scale spatial resolution and detectability of micrograms of carbon are required for the detection and visualization of microfossils.

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来源期刊

2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC)

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