Presentations -
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Isotopic variations of rare earth elements due to neutron capture reactions and their application to planetary sciences Invited International conference
Hiroshi Hidaka
The 2023 Fall meeting of the Division of Nuclear Physics of the American Physical Society and the Physical Society of Japan 2023.12.2 The American Physical Society
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高精度Yb同位体測定の重要性と惑星科学への応用
日高 洋
日本地球化学会第70回年会 2023.9.23 一般社団法人日本地球化学会
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Cosmic-ray exposure records of aubrites studied from Sm and Er isotopic compositions International conference
H. Hidaka and S. Yoneda
Annual meeting of Meteoritical Society 2023 2023.8.17 Meteoritical Society
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Barium isotopic compositions in samples returned from Cb-type asteroid Ryugu by Hayabusa2 International coauthorship International conference
H. Hidaka, S. Yoneda, I. Gautam and T. Yokoyama
Goldschmidt Conference 2023 2023.7.10 Geochemical Society, European Geochemical Association
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REE isotopic variations found in extraterrestrial materials caused by cosmic-ray irradiation in space Invited International conference
Hiroshi Hidaka
2023.6.12 Korea Basic Science Institute
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中性子捕獲反応による希土類元素の同位体変動:地球外物質とオクロ天然原子炉の比較
日高 洋
2022年日本質量分析学会同位体比部会 2022.12.13 一般社団法人日本質量分析学会
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発見から50年:オクロ天然原子炉は何をもたらしたか? Invited
日高 洋
日本放射化学会第66回討論会 2022.9.16 一般社団法人日本放射化学会
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宇宙線照射がもたらす地球外物質中のいくつかの希土類元素の同位体変動と宇宙化学
日高 洋
日本地球化学会第69回年会 2022.9.8 一般社団法人日本地球化学会
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Evidence of fast neutron operating in Oklo Invited International conference
Hiroshi Hidaka
10th International Conference on High Level Environmental Radiation Areas 2022.6.28 Institute Pluridisciplinary Hubert Curien
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Oklo natural fission reactors and isotope chemistry: 50th anniversary after the discovery
Hiroshi Hidaka
2021.11.12 Nagoya University
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REE isotope cosmochemistry
Hiroshi Hidaka
The 68th annual meeting of Geochemical Society of Japan 2021.9.9 Geochemical Society of Japan
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Establishment of chemical separation method of Sm, Gd, Er and Yb using LN resin
Akihiro Hirata, Hiroshi Hidaka
The 68th annual meeting of Geochemical Society of Japan 2021.9.7 Geochemical Society of Japan
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Cosmic-ray irradiation conditions of enstatite achondrites (aubrites)
The 68th annual meeting of Geochemical Society of Japan 2021.9.7 Geochemical Society of Japan
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オクロ天然原子炉に関する最近の話題から
日高 洋
2020年度日本地球化学会第67回年会 2020.11.20 日本地球化学会
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Determination of neutron energy spectra for lunar meteorites studied from REE isotopic compositions International coauthorship International conference
H. Hidaka, K. Nishiizumi, M. Caffee, and S. Yoneda
Goldschmidt Conference 2020 2020.6.23 Geochemical Society
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Nuclear reactions induced by cosmic-ray irradiations in space Invited International conference
H. Hidaka
2nd International Conference on Radiations and Applications 2019.10.28 The Algerian Atomic Energy Commission
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オクロ天然原子炉の地球化学および同位体研究から示唆される核分裂起源放射性核種の地球表層における長期的挙動 Invited
日高 洋
日本地質学会第126年学術大会 2019.9.24 日本地質学会
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月隕石の宇宙線照射履歴 International coauthorship
日高 洋、西泉邦彦、米田成一
2019年度日本地球化学会第66回年会 2019.9.19 日本地球化学会
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Cosmic-ray exposure records of lunar meteorites studied from spallogenic and neutron-captured products International coauthorship International conference
H. Hidaka, K. Nishiizumi, and S. Yoneda
Goldschmidt Conference 2019 2019.8.20 Geochemical Society
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Samarium isotopic compositions of lunar meteorites International coauthorship International conference
H. Hidaka, K. Nishiizumi, M. Caffee, and S. Yoneda
82nd Annual Meteoritical Society Meeting 2019.7.9 The Meteoritical Society
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REE isotopic studies for cosmochemistry: La isotopic variations by spallation reactions Invited International conference
H. Hidaka
Japan India Forum for Advanced Study 2019 2019.3.10 JSPS, DST
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REE isotopic studies for cosmochemistry: Sm, Gd and Er isotopic variations by neutron capture reactions Invited International conference
H. Hidaka
Japan India Forum for Advanced Study 2019 2019.3.14 JSPS, DST
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REE isotopic studies for cosmochemistry: A case study of La and Sm isotopes International conference
H. Hidaka
3rd Korea-Japan Joint Workshop on Isotope-Ratio Mass Spectrometry 2018.11.10 The Mass Spectrometry Society of Japan, The Geological Society of Korea, KIGAM
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自然界で生じる核反応がもたらす元素同位体変動に基づく宇宙・地球化学的研究 Invited
日高 洋
2018年度日本地球化学会第65回年会 2018.9.12 日本地球化学会
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Neutron energy spectrum at the surface of the moon studied from the REE isotopic compositions International conference
H. Hidaka, Y. Mizutani, and S. Yoneda
Goldschmidt Conference 2018 2018.8.16 Geochemical Society
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Isotopic variations of Sm, Gd, Dy, Er and Yb induced from the neutron capture reactions on the Moon International conference
H. Hidaka and S. Yoneda
81st Annual Meteoritical Society Meeting 2018.7.26 The Meteoritical Society
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1980年代の地球化学の最前線研究を展開した研究室の一例 Invited
日高 洋
日本地球惑星科学連合2018年大会 2018.5.20 日本地球惑星科学連合
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La-Ce chronometry of eucrites and diogenites International coauthorship International conference
H. Hidaka, S. Yoneda, and S.-G. Lee
49th Lunar and Planetary Science Conference 2018 2018.3.19 Lunar and Planetary Institute, NASA
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Cosmic-ray exposure histories of eucrites studied from Sm and Gd isotopic compositions International conference
Hiroshi Hidaka, Shigekazu Yoneda
8th Symposium on Polar Science
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Isotopic characterization for nuclear reactions in the Oklo natural reactors International conference
Hiroshi Hidaka, Salahendric Bentridi, Benoit Gall, N. Amrani
International Conference on Radiations and Applications
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Redistribution behavior of REE into constituent minerals of eucrites and its implication for the genesis Invited International conference
Hiroshi Hidaka, Tsuyoshi Ohnishi
2nd Korea-Japan Joint SHRIMP Workshop
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REE isotopic study for cosmochemistry: A case study of La and Sm isotopes Invited International conference
Hiroshi Hidaka
5th International Conference on Analytical Science & Technology
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太陽宇宙線初期照射説のの同位体化学的検証:Allende隕石のCAI中のLa同位体比測定
日高洋、米田成一
2017年度日本地球化学会第64回年会
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Isotopic evidence for intensive activity of young Sun from REE isotopic compositions in CAIs International conference
Hiroshi Hidaka, Shigekazu Yoneda
Goldschidt Conference 2017
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Systematic REE isotopic studies of eucrites International conference
Hiroshi Hidaka, Shigekazu Yoneda
80th Annual Meeting of the Meteoritical Society
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REE isotopic study for cosmochemistry: A case study of La isotopes Invited International conference
Hiroshi Hidaka
KIGAM seminar
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地球上での汚染が認められる砂漠産ユークライト隕石のRb-Sr壊変系
日高 洋、世羅浩平、米田成一
2016年度日本地球化学会第64回年会 2016.9.15 日本地球化学会
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Rb-Sr and Cs-Ba systematics of eucrites International conference
H. Hidaka and S. Yoneda
79th Annual Meteoritical Society Meeting 2016.8.12 The Meteoritical Society
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Cosmic-ray exposure histories of lunar meteorites International coauthorship International conference
H. Hidaka, K. Nishiizumi, and S. Yoneda
Goldschmidt Conference 2016 2016.6.29 Geochemical Society
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Rb–Sr and Sm–Nd decay systems of desert and non-desert eucrites
Takaharu Saito, Hiroshi Hidaka, Shigekazu Yoneda
The 68th annual meeting of Geochemical Society of Japan 2021.9.7 Geochemical Society of Japan