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Title: Preparation for a neutronics experiment using a discharge fusion device and an imaging plate neutron detector
Authors: Mukai, Keisuke
Konishi, Satoshi
Author's alias: 向井, 啓祐
小西, 哲之
Keywords: Neutron measurement
Fusion neutron generation
Neutron imaging plate
Blanket
Neutronics
Issue Date: Sep-2019
Publisher: Elsevier BV
Journal title: Fusion Engineering and Design
Volume: 146
Issue: Part B
Start page: 1633
End page: 1636
Abstract: Tritium breeding ratio (TBR) is one of the most important parameters determining the tritium self-sufficiency of a deuterium-tritium fusion reactor. A neutronics experiment is planned to measure the spectral neutron fluences two-dimensionally (2D) using a discharge-type compact fusion neutron source and a neutron imaging plate (NIP), respectively. We report a calibration method for the NIP and optimization of the discharge condition to enhance the neutron production rate. A linear relationship between the neutron fluence in the NIP and photostimulated luminescence (PSL) per area was obtained in the range of the neutron fluence from 10³ to 10⁷ n/cm². A neutron production rate higher than 10⁷ n/s was successfully achieved by the optimized discharge condition. It is shown that a quantitative 2D measurement by the NIP is feasible using the linear relationship and a correlation coefficient on the energy spectrum.
Rights: © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
The full-text file will be made open to the public on 1 September 2021 in accordance with publisher's 'Terms and Conditions for Self-Archiving'
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/244111
DOI(Published Version): 10.1016/j.fusengdes.2019.03.005
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