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A new method to quantify multiple elements by pulsed epithermal neutron transmission spectroscopy

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Title: A new method to quantify multiple elements by pulsed epithermal neutron transmission spectroscopy
Authors: Ishikawa, Hirotaku Browse this author
Sato, Hirotaka Browse this author
Kamiyama, Takashi Browse this author →KAKEN DB
Keywords: Neutron imaging
Pulsed neutron transmission spectroscopy
Elemental density
Evaluated nuclear data file
Light element
Multiple elements
Issue Date: 15-Dec-2018
Publisher: Elsevier
Journal Title: Physica B : Condensed Matter
Volume: 551
Start Page: 355
End Page: 358
Publisher DOI: 10.1016/j.physb.2018.04.010
Abstract: To perform quantitative analysis of constituent elements, including light atoms, by time-of-flight (TOF) type neutron imaging, a new analysis method using epithermal neutrons excluding resonance dips has been proposed. The method is based on fitting the theoretical neutron transmission spectrum calculated from evaluated nuclear data to a measured neutron transmission spectrum. Compared to conventional imaging methods such as those using neutron radiography or neutron resonance analysis, it has the advantage of being able to evaluate multiple/light elements. We applied this technique to a pulsed neutron transmission experiment at the Hokkaido University Neutron Source. A stack of iron and carbon plates was measured as a model sample consisting of heavy and light elements. The evaluated elemental densities show reasonable agreements within an error of 10%.
Rights: © <2018>. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 石川 裕卓

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