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Production of polarized ^3He gas by means of very low temperature and high magnetic field
https://kobe-tokiwa.repo.nii.ac.jp/records/444
https://kobe-tokiwa.repo.nii.ac.jp/records/444b080636d-73bc-4b96-9a04-3b7b2b59fd78
名前 / ファイル | ライセンス | アクション |
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Bulletin01_05.pdf (1.0 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2017-07-26 | |||||
タイトル | ||||||
タイトル | Production of polarized ^3He gas by means of very low temperature and high magnetic field | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Production of polarized ^3He gas by means of very low temperature and high magnetic field | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ | departmental bulletin paper | |||||
著者 |
田中, 正義
× 田中, 正義× 猪股, 亨× 高橋, 豊× 藤原, 守× 輿曽井, 優× 郡, 英輝× 太田, 岳史× 森崎, 知治× 国松, 貴之× TANAKA, Masayoshi× INOMATA, Toru× TAKAHASHI, Yutaka× FUJIWARA, Mamoru× YOSOI, Masaru× KOHRI, Hideki× OHTA, Takeshi× MORISAKI, Chiharu× KUNIMATSU, Takayuki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 最近、我々は極低温(~ 4mK)と超強磁場(最大17T)を用いた所謂Brute force法による偏極固体^3Heの生成と急速解凍による偏極^3Heプロジェクトをスタートした。このプロジェクトの目的は、偏極^3Heガスをハイパー偏極^3He MR(I 核磁気共鳴イメージング)に用いて医学に応用することである。^3He-^4He希釈冷凍器に取り付けられるポメンランチュークセルが設計され、製作されている。最初のテスト実験では、ポメランチュクセルは低い冷凍能力を有する^3He-^4He希釈冷凍器(IBC; In Beam Cryostat)に取り付けられる。そこでは、1Tの超伝導 ソレノイドコイルが用いられる。一方、本実験では、ポメランチュクセルは高い冷凍能力を有する^3He-^4He希釈冷凍器(DRS 2500)に取り付けられる。そこでは、17Tの超伝導ソレノイドコイルが用いられる。このレポートで、我々は、^3Heを偏極させる原理と実験装置の設計・製作の現状を述べる。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Recently, we started a project on polarized ^3He gas generated by the brute force method with very low temperature(~4mK) and strong static magnetic field(Bmax=17T), and rapid melting of highly polarized solid ^3He followed by gasification. The aim of this project is to use highly polarized ^3He as, so called, a hyperpolarized ^3He MRI(Magnetic Resonance Imaging) for medical application. A Pomeranchuk cell to be cooled by ^3He-^4He dilution refrigerators is designed and fabricated. For an initial test experiment, the Pomeranchuk cell will be installed to a low power ^3He-^4He dilution refrigerator(IBC; In Beam Cryostat) with a 1 T superconducting solenoidal coil. On the other hand, it will be installed to a high power ^3He-^4He dilution refrigerator(DRS2500) with a 17T superconducting solenoidal coil for a full-scale experiment. In this report, we present outline of the principle of polarizing ^3He , and a present status of design and construction of the experimental equipment. | |||||
書誌情報 |
神戸常盤大学紀要 en : Bulletin of Kobe Tokiwa University 号 1, p. 41-47, 発行日 2009-11-30 |
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出版者 | ||||||
出版者 | 神戸常盤大学・神戸常盤大学短期大学部 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 21884781 | |||||
論文ID(NAID) | ||||||
識別子タイプ | NAID | |||||
関連識別子 | 40016961748 |