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Thermal neutron fluence measurement by Cadmium differential method at laser-driven neutron source
https://repo.qst.go.jp/records/86121
https://repo.qst.go.jp/records/861212d8dcedd-c0f6-4fd9-bf64-986085f89248
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-05-13 | |||||
タイトル | ||||||
タイトル | Thermal neutron fluence measurement by Cadmium differential method at laser-driven neutron source | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Mori, Takato
× Mori, Takato× Yogo, Akifumi× Hayakawa, Takehito× R. Mirfayzi, Seyed× Lan, Zechen× Wei, Tianyun× Abe, Yuki× Arikawa, Yasunobu× Nakai, Mitsuo× Mima, Kunioki× Nishimura, Hiroaki× Fujioka, Shinsuke× Takehito, Hayakawa |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We generated high-energy neutrons by (d, n) and (p, n) reactions on a Be target with protons and deuterons that were accelerated up to 30 and 10 MeV/u, respectively, by laser-plasma interactions. Thermal neutrons were subsequently generated through deceleration by a small moderator with conjunction on the Be target. Here we report the measurements on the thermal neutron fluence using the activation method with/without Cd filters. The unstable isotopes of 198Au, 56Mn, 60Co, and 181Hf were produced through (n, γ) reactions by a single laser shot. The nuclear reaction rates were evaluated by measurring the γ-rays emitted from these unstable isotopes. The thermal neutron fluences from the four nuclides are consistent within their experimental uncertainties. The fluence is evaluated to be (2.2±0.4)×105 neutrons/cm2 at the distance of approximately 9- mm at 90◦ against the laser axis. The present result shows that the method to generate thermal neutrons from a compact neutron source with a diamater of 44 mm and length of 46 mm is expected to be a useful tool for various nuclear experiments. |
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書誌情報 |
Journal of Physics G: Nuclear and Particle Physics 巻 49, 号 6, p. 065103, 発行日 2022-04 |
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出版者 | ||||||
出版者 | IOP Publishing | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0954-3899 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1088/1361-6471/ac6272 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://iopscience.iop.org/article/10.1088/1361-6471/ac6272 |