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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Novel concept of time-of-flight neutron spectrometer for measurement of the D/T burning ratio in the ITER

http://hdl.handle.net/2237/8797
http://hdl.handle.net/2237/8797
327df24c-d052-4e39-8762-99df11842a26
名前 / ファイル ライセンス アクション
RevSciInst_77-10E721.pdf RevSciInst_77-10E721.pdf (267.4 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2007-09-28
タイトル
タイトル Novel concept of time-of-flight neutron spectrometer for measurement of the D/T burning ratio in the ITER
言語 en
著者 Asai, K.

× Asai, K.

WEKO 19254

en Asai, K.

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Naoi, N.

× Naoi, N.

WEKO 19255

en Naoi, N.

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Iguchi, T.

× Iguchi, T.

WEKO 19256

en Iguchi, T.

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Watanabe, K.

× Watanabe, K.

WEKO 19257

en Watanabe, K.

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Kawarabayashi, J.

× Kawarabayashi, J.

WEKO 19258

en Kawarabayashi, J.

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Nishitani, T.

× Nishitani, T.

WEKO 19259

en Nishitani, T.

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 Copyright (2006) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
抄録
内容記述 A time-of-flight (TOF) neutron spectrometer is a candidate for the measurement of the D/T burning ratio in the International Thermonuclear Experimental Reactor (ITER). In ITER high-power experiments, the TOF system suffers from a high event rate or accidental counts due to high radiation intensities, which is one of several background sources in DD neutron measurement. We herein propose a new neutron spectrometer to apply to the measurement of the D/T burning ratio in the ITER high-power operation region. This system is based on the conventional double-crystal TOF method and consists of a water cell and several pairs of scintillators. A water cell is inserted before the first scintillator of the TOF system and acts as a radiator or neutron scattering material. Because DD neutrons have a larger cross section of elastic scattering with hydrogen than DT neutrons, the elastic scattering in the radiator enhances the relative ratio of DD/DT intensity by approximately three times before entering the TOF system. The enhancement of the relative intensity of DD neutrons makes the detection of DD neutrons easier. The feasibility of this method as a neutron spectrometer has been verified through a preliminary experiment using a DT neutron beam (20 mmΦ) at the Fusion Neutronics Source, Japan Atomic Energy Agency. The present article describes the basic performance of the prototype system.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 American Institute of Physics
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1063/1.2352740
ISSN
収録物識別子タイプ PISSN
収録物識別子 0034-6748
書誌情報 en : REVIEW OF SCIENTIFIC INSTRUMENTS

巻 77, 号 10, p. 10E721-10E721, 発行日 2006-10
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/8797
識別子タイプ HDL
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