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重河 優大
Shigekawa, Yudai
数理物質系化学域 , 助教 Department of Chemistry, Institute of Pure and Applied Sciences , Assistant Professor
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1.
Development of an RF-carpet gas cell coupled to the RIKEN gas-filled recoil ion separator for chemistry of superheavy elements
Y. Shigekawa; A. Yamaguchi; N. Sato; A. Takamine (+1 著者) H. Haba
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 170421 (2025)
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2.
Utilities of ionic liquid extraction with astatine ions and its extraction mechanism
Akihiko Yokoyama; Kohei Kawasaki; Yuta Nagai; Hisanori Tazuru (+9 著者) Hiromitsu Haba
Radiochimica Acta (2025)
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3.
Trapping of triply charged thorium-229 for a nuclear clock
A Yamaguchi; Y Shigekawa; H Haba; M WadaH Katori
Journal of Physics: Conference Series 2889: 012041 (2024)
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4.
Controlling 229Th isomeric state population in a VUV transparent crystal
Takahiro Hiraki; Koichi Okai; Michael Bartokos; Kjeld Beeks (+25 著者) Koji Yoshimura
Nature Communications 15: (2024)
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5.
Laser spectroscopy of triply charged 229Th isomer for a nuclear clock
Atsushi Yamaguchi; Yudai Shigekawa; Hiromitsu Haba; Hidetoshi Kikunaga (+2 著者) Hidetoshi Katori
Nature 629: 62 (2024)
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6.
pH dependence of perturbed angular correlation in DOTA chelated 111In measured with ring-shape gamma-ray detectors
Kenji Shimazoe; Kim Donghwan; Tomoko Mineo; Takeshi Sato (+10 著者) Mizuki Uenomachi
Interactions 245: 22 (2024)
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7.
Experimental apparatus for detection of radiative decay of 229Th isomer from Th-doped CaF2
Takahiro Hiraki; Kjeld Beeks; Michael Bartokos; Hiroyuki Fujimoto (+25 著者) Koji Yoshimura
Hyperfine Interactions 245: (2024)
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8.
Production and chemical separation of 229Pa toward observation of γ rays of 229mTh
Yudai Shigekawa; Xiaojie Yin; Akihiro Nambu; Yang WangHiromitsu Haba
Journal of Radioanalytical and Nuclear Chemistry 333: 1479 (2023)
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9.
Vacuum Ultraviolet Search from Thorium-229 Isomer in Crystal Toward Solid-State Nuclear Clock
S. Takatori; Y. Fukunaga; M. Guan; T. Hiraki (+25 著者) Y. Yoda
2023 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS) (2023)
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10.
Simultaneous multi-nuclide imaging via reconstruction-free double-photon emission coincidence imaging method with parallel hole collimator and slat collimator
Linlin Yan; Mizuki Uenomachi; Taisei Ueki; Donghwan Kim (+7 著者) Hiromitsu Haba
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 168305 (2023)
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11.
Tumor Targeting of 211At-Labeled Antibody under Sodium Ascorbate Protection against Radiolysis
Hiroki Takashima; Kazunobu Ohnuki; Shino Manabe; Yoshikatsu Koga (+10 著者) Masahiro Yasunaga
Molecular Pharmaceutics 20: 1156 (2022)
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12.
Probing Optimal Reaction Energy for Synthesis of Element 119 from 51V+248Cm Reaction with Quasielastic Barrier Distribution Measurement
Masaomi Tanaka; Pierre Brionnet; Miting Du; Julie Ezold (+29 著者) Takuya Yokokita
Journal of the Physical Society of Japan 91: (2022)
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13.
Coprecipitation with samarium hydroxide using multitracer produced through neutron-induced fission of 235U toward chemical study of heavy elements
Yoshitaka Kasamatsu; Masahiro Nagase; Hidemi Ninomiya; Eisuke Watanabe (+5 著者) Atsushi Shinohara
Applied Radiation and Isotopes 179: 110006 (2022)
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14.
Anion-exchange Experiment of Zr, Hf, and Th in HNO3 and Quantum Chemical Study on the Nitrate Complexes toward Chemical Research on Element 104, Rf
Eisuke Watanabe; Yoshitaka Kasamatsu; Takuya Yokokita; Sho Hayami (+7 著者) Atsushi Shinohara
Solvent Extraction and Ion Exchange 1 (2021)
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15.
Estimation of radiative half-life of 229mTh by half-life measurement of other nuclear excited states in 229Th
Y. Shigekawa; A. Yamaguchi; K. Suzuki; H. Haba (+6 著者) K. Yoshimura
Physical Review C 104: (2021)
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16.
Co-precipitation behaviour of single atoms of rutherfordium in basic solutions
Yoshitaka Kasamatsu; Keigo Toyomura; Hiromitsu Haba; Takuya Yokokita (+14 著者) Atsushi Shinohara
Nature Chemistry 13: 226 (2021)
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17.
Absolute X-ray energy measurement using a high-accuracy angle encoder
Takahiko Masuda; Tsukasa Watanabe; Kjeld Beeks; Hiroyuki Fujimoto (+14 著者) Koji Yoshimura
Journal of Synchrotron Radiation 28: 111 (2021)
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18.
Development of a retarding-field type magnetic bottle spectrometer for studying the internal-conversion process of 235mU
Y. Shigekawa; Y. Kasamatsu; Y. Yamakita; Y. Yasuda (+3 著者) A. Shinohara
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 976: 164207 (2020)
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19.
Production of Bh266 in the Cm248(Na23,5n)Bh266 reaction and its decay properties
H. Haba; F. Fan; D. Kaji; Y. Kasamatsu (+26 著者) T. Yokokita
Physical Review C 102: (2020)
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20.
Solvent Extraction of Zr and Hf from HCl by Aliquat 336 using a Flow-Type Extraction Apparatus Toward Online Chemical Studies of Element 104, Rutherfordium
Yoshitaka Kasamatsu; Narumi Kondo; Kouhei Nakamura; Yuki Kuboki (+11 著者) Atsushi Shinohara
SOLVENT EXTRACTION AND ION EXCHANGE (2020)
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21.
Developments of the collection apparatus for recoil products and spectrometer of low-energy internal-conversion electrons to study the deexcitation process of 235mU
Y. Shigekawa; Y. Kasamatsu; A. Shinohara
2015 International Chemical Congress of Pacific Basin Societies 2015年12月
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22.
Spectroscopy of Low-energy Conversion Electrons to investigate the Deexcitation Process of 235mU
Yudai Shigekawa; Yoshitaka Kasamatsu; Yuki Yasuda; Atsushi Shinohara
The 2nd International Symposium on Interactive Materials Science Cadet Program 2015年11月
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23.
235mUの壊変過程の解明を目指した低エネルギー内部転換電子分光測定
重河優大; 笠松良崇; 安田勇輝; 篠原厚
2015日本放射化学会年会・第59回放射化学討論会 2015年9月
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24.
Development of a Collection Apparatus for Recoil Products for Study of the Deexcitation Process of 235mU
Yudai Shigekawa; Yoshitaka Kasamatsu; Atsushi Shinohara
The 1st International Symposium on Interactive Materials Science Cadet Program 2014年11月
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25.
Development of the collection apparatus for recoil products for study of the deexcitation process of 235mU
YUDAI SHIGEKAWA; YOSHITAKA KASAMATSU; ATSUSHI SHINOHARA
Fourth Joint Meeting of the Nuclear Physics Divisions of the American Physical Society and the Physical Society of Japan 2014年10月
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26.
U-235mの脱励起過程の研究に向けた反跳核捕集装置の開発
重河優大; 笠松良崇; 篠原厚
2014日本放射化学会年会・第58回放射化学討論会 2014年9月
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27.
Extraction and trapping of 229mTh ions for measuring nuclear-decay half-lives of various ionic species of 229mTh and observing electronic bridge process
Yudai Shigekawa; Atsushi Yamaguchi; Katsuyuki Tokoi; Nozomi Sato; Michiharu Wada; Hiromitsu Haba
6th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan (HAWAII2023)
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28.
Development of a cryogenic RF-carpet gas cell for the chemistry of superheavy elements
Y. Shigekawa; A. Yamaguchi; N. Sato; A. Takamine; M. Wada; H. Haba
7th International Conference on the Chemistry and Physics of the Transactinide Elements (TAN 23)
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