SHIGEKAWA YUDAI 重河優大

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Shigekawa Yudai 重河優大

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Researcher Number	60845626
Other IDs
Affiliation (Current)	2025: 筑波大学, 数理物質系, 助教 2025: 国立研究開発法人理化学研究所, 仁科加速器科学研究センター, 特別研究員
Affiliation (based on the past Project Information) *help	2022 – 2024: 国立研究開発法人理化学研究所, 仁科加速器科学研究センター, 特別研究員 2019 – 2021: 国立研究開発法人理化学研究所, 仁科加速器科学研究センター, 基礎科学特別研究員
Review Section/Research Field	Principal Investigator Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics / Transformative Research Areas, Section (II) / 0203:Particle-, nuclear-, astro-physics, and related fields Except Principal Investigator Medium-sized Section 34:Inorganic/coordination chemistry, analytical chemistry, and related fields / Medium-sized Section 13:Condensed matter physics and related fields / Transformative Research Areas, Section (II) / Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
Keywords	Principal Investigator 核異性体 / 原子核時計 / トリウム229 / イオントラップ / 真空紫外光 / 医療診断 / 薬剤送達システム / 分子プローブ / 放射性同位元素 / もつれγ線 … More / 電子架橋 / イオン分子反応 / ガスセル / RFカーペット / 電子架橋遷移 / 229mTh / Th-229m / プロトアクチニウム / アクチニウム … More Except Principal Investigator 原子核時計 / 気体充填型反跳分離器 / 超重元素 / 治療学 / 腫瘍診断 / アイソトープ / 核スピン / ガンマ線 / 量子もつれ / 核医学 / 角度相関 / 光子対診断治療学 / レーザ－による原子核操作 / イオントラップ / 核共鳴散乱 / 物理定位数の時間変化 / 物理定数の時間変化 / 真空紫外レーザー分光 / レーザーによる原子核操作 / トリウム Less

革新的超重元素化学分析システムの構築と新元素の化学
- Principal Investigator
  
  羽場宏光
- Project Period (FY)
  2024 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 34:Inorganic/coordination chemistry, analytical chemistry, and related fields
- Research Institution
  Institute of Physical and Chemical Research
原子核時計実現にむけたトリウム229イオンのレーザー冷却
- Principal Investigator
  
  山口敦史
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 13:Condensed matter physics and related fields
- Research Institution
  Institute of Physical and Chemical Research
トリウム229核異性体の内部転換抑制手法の開発によるガンマ線放出過程の解明Principal Investigator
- Principal Investigator
  
  重河優大
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  Institute of Physical and Chemical Research
Photon Pair Theranostics
- Principal Investigator
  
  島添健次
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (B)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  The University of Tokyo
もつれ光子対放出原子核と分子プローブの創成による生体内化学環境の医療診断Principal Investigator
- Principal Investigator
  
  重河優大
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (B)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  Institute of Physical and Chemical Research
レーザーによるコヒーレントな原子核操作の実現ー原子核時計の創成と応用に向けて
- Principal Investigator
  
  吉村浩司
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
- Research Institution
  Okayama University
Observing the electron bridge process of the Th-229 isomer utilizing ion-molecule reactionsPrincipal Investigator
- Principal Investigator
  
  Shigekawa Yudai
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 15020:Experimental studies related to particle-, nuclear-, cosmic ray and astro-physics
- Research Institution
  Institute of Physical and Chemical Research
Elucidation of the nuclear decay property of Th-229m utilizing Ac-229Principal Investigator
- Principal Investigator
  
  Shigekawa Yudai
- Project Period (FY)
  2019 – 2020
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Review Section
  
  0203:Particle-, nuclear-, astro-physics, and related fields
- Research Institution
  Institute of Physical and Chemical Research

All 2024 2023 2022 2021 2020 2019

All Journal Article Presentation

[Journal Article] pH dependence of perturbed angular correlation in DOTA chelated $$^{111}$$In measured with ring-shape gamma-ray detectors2024
- Author(s)
  Shimazoe Kenji、Donghwan Kim、Mineo Tomoko、Sato Takeshi、Ohta Seiichi、Tatsumi Toshifumi、Sugiyama Akira、Yamatsugu Kenzo、Nomura Sachiyo、Terabayashi Ryohei、Tomita Hideki、Sonoda Tetsu、Shigekawa Yudai、Yokokita Takuya、Uenomachi Mizuki
- Journal Title
  
  Interactions
  
  Volume: 245 Issue: 1 Pages: 22-22
- DOI
  10.1007/s10751-024-01864-7
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K18223, KAKENHI-PROJECT-20KK0174, KAKENHI-ORGANIZER-22H05017, KAKENHI-PLANNED-22H05018, KAKENHI-ORGANIZER-22H05021, KAKENHI-PLANNED-22H05022, KAKENHI-PLANNED-22H05024, KAKENHI-PROJECT-22H04961
[Journal Article] Laser spectroscopy of triply charged 229Th isomer for a nuclear clock2024
- Author(s)
  Yamaguchi Atsushi、Shigekawa Yudai、Haba Hiromitsu、Kikunaga Hidetoshi、Shirasaki Kenji、Wada Michiharu、Katori Hidetoshi
- Journal Title
  
  Nature
  
  Volume: 629 Issue: 8010 Pages: 62-66
- DOI
  10.1038/s41586-024-07296-1
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04473, KAKENHI-PROJECT-23K25904
[Journal Article] Simultaneous multi-nuclide imaging via reconstruction-free double-photon emission coincidence imaging method with parallel hole collimator and slat collimator2023
- Author(s)
  Yan Linlin、Uenomachi Mizuki、Ueki Taisei、Kim Donghwan、Shimazoe Kenji、Takahashi Hiroyuki、Kamada Kei、Shigekawa Yudai、Nambu Akihiro、Yin Xiaojie、Wang Yang、Haba Hiromitsu
- Journal Title
  
  Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
  
  Volume: 1053 Pages: 168305-168305
- DOI
  10.1016/j.nima.2023.168305
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K18223, KAKENHI-ORGANIZER-22H05021, KAKENHI-PLANNED-22H05022, KAKENHI-PLANNED-22H05024, KAKENHI-PROJECT-22H04924, KAKENHI-PROJECT-22H04961, KAKENHI-PROJECT-19H00672, KAKENHI-PROJECT-21J01391
[Journal Article] Improved chemical separation scheme of Pa isotopes from a 232Th target toward observing the radiative decay of 229mTh using 229Pa2023
- Author(s)
  Y. Shigekawa, X. Yin, A. Nambu, Y. Wang, H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 56 Pages: 145-145
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K25904
[Journal Article] Preparation of a small high-density 229Th target for the X-ray pumping of the 229Th nuclear clock isomer2023
- Author(s)
  Y. Shigekawa, K. Okai, Y. Fukunaga, K. Yoshimura, H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 56 Pages: 147-147
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K25904
[Journal Article] Production yields of 165Er and 169Yb via 24-MeV deuteron induced reactions2023
- Author(s)
  Y. Shigekawa, A. Nambu, Y. Kumakura, H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 56 Pages: 176-176
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-22H05024
[Journal Article] Extraction of 229Th3+,2+ using RF carpet gas cell and observation of internal conversion process of 229mTh2023
- Author(s)
  Y. Shigekawa, A. Yamaguchi, K. Tokoi, N. Sato, M. Wada, H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 56
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K25904
[Journal Article] Tumor Targeting of 211At-Labeled Antibody under Sodium Ascorbate Protection against Radiolysis2023
- Author(s)
  Takashima Hiroki、Ohnuki Kazunobu、Manabe Shino、Koga Yoshikatsu、Tsumura Ryo、Anzai Takahiro、Wang Yang、Yin Xiaojie、Sato Nozomi、Shigekawa Yudai、Nambu Akihiro、Usuda Sachiko、Haba Hiromitsu、Fujii Hirofumi、Yasunaga Masahiro
- Journal Title
  
  Molecular Pharmaceutics
  
  Volume: 20 Issue: 2 Pages: 1156-1167
- DOI
  10.1021/acs.molpharmaceut.2c00869
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K15594, KAKENHI-PLANNED-22H05024, KAKENHI-PROJECT-20K14500, KAKENHI-PROJECT-19H03357
[Journal Article] Production and chemical separation of 229Pa toward observation of γ rays of 229mTh2023
- Author(s)
  Shigekawa Yudai、Yin Xiaojie、Nambu Akihiro、Wang Yang、Haba Hiromitsu
- Journal Title
  
  Journal of Radioanalytical and Nuclear Chemistry
  
  Volume: 333 Issue: 3 Pages: 1479-1486
- DOI
  10.1007/s10967-023-09069-y
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-ORGANIZER-22H05021, KAKENHI-PLANNED-22H05024, KAKENHI-PROJECT-23K25904
[Journal Article] Probing Optimal Reaction Energy for Synthesis of Element 119 from <sup>51</sup>V+<sup>248</sup>Cm Reaction with Quasielastic Barrier Distribution Measurement2022
- Author(s)
  M. Tanaka and Y. Shigekawa (34人中29番目) et al.
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 91 Issue: 8 Pages: 084201-084201
- DOI
  10.7566/jpsj.91.084201
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05024, KAKENHI-PROJECT-20K14500, KAKENHI-PROJECT-23K20233
[Journal Article] Development of a photon measurement apparatus for observing the radiative decay of 229mTh produced from 229Pa2022
- Author(s)
  Y. Shigekawa, Y. Wang, X. Yin, A. Nambu, T. Yokokita, and H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 55 Pages: 124-124
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K14500
[Journal Article] Development of RF carpet gas cell for extracting 229mTh ions2022
- Author(s)
  Y. Shigekawa, K. Tokoi, A. Yamaguchi, N. Sato, M. Wada, and H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 55 Pages: 127-127
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K14500
[Journal Article] Estimation of radiative half-life of 229mTh by half-life measurement of other nuclear excited states in 229Th2022
- Author(s)
  Y. Shigekawa, A. Yamaguchi, K. Suzuki, H. Haba, T. Hiraki, H. Kikunaga, T. Masuda, S. Nishimura, N. Sasao, A. Yoshimi, and K. Yoshimura
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 55
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K14500
[Journal Article] Coprecipitation with samarium hydroxide using multitracer produced through neutron-induced fission of 235U toward chemical study of heavy elements2022
- Author(s)
  Kasamatsu Yoshitaka、Nagase Masahiro、Ninomiya Hidemi、Watanabe Eisuke、Shigekawa Yudai、Kondo Narumi、Takamiya Koichi、Ohtsuki Tsutomu、Shiohara Naoya、Shinohara Atsushi
- Journal Title
  
  Applied Radiation and Isotopes
  
  Volume: 179 Pages: 110006-110006
- DOI
  10.1016/j.apradiso.2021.110006
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H04150, KAKENHI-PROJECT-19K22596, KAKENHI-PROJECT-21H01951, KAKENHI-PROJECT-20K14500
[Journal Article] Surface ionization of protactinium toward implanting 229Pa into a CaF2 crystal2022
- Author(s)
  Y. Shigekawa, and H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 55 Pages: 126-126
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K14500
[Journal Article] Anion- and cation-exchange studies of Zr, Hf, and Th using ion-exchange resin and fiber in H2SO4 media for chemical characterization of sulfate complex of Rf2021
- Author(s)
  E. Watanabe, Y. Kasamatsu, T. Yokokita, S. Hayami, K. Tonai, H. Ninomiya, N. Kondo, Y. Shigekawa, H. Haba, Y. Kitagawa, M. Nakano, and A. Shinohara
- Journal Title
  
  Solvent Extr. Ion Exch.
  
  Volume: 未定 Issue: 6 Pages: 1-16
- DOI
  10.1080/07366299.2021.2020956
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H01081, KAKENHI-PROJECT-20K14500, KAKENHI-PROJECT-20K15317, KAKENHI-PROJECT-21H01951
[Journal Article] Absolute X-ray energy measurement using a high-accuracy angle encoder2021
- Author(s)
  Masuda Takahiko、Watanabe Tsukasa、Beeks Kjeld、Fujimoto Hiroyuki、Hiraki Takahiro、Kaino Hiroyuki、Kitao Shinji、Miyamoto Yuki、Okai Koichi、Sasao Noboru、Seto Makoto、Schumm Thorsten、Shigekawa Yudai、Tamasaku Kenji、Uetake Satoshi、Yamaguchi Atsushi、Yoda Yoshitaka、Yoshimi Akihiro、Yoshimura Koji
- Journal Title
  
  Journal of Synchrotron Radiation
  
  Volume: 28 Issue: 1 Pages: 111-119
- DOI
  10.1107/s1600577520014526
- NAID
  120006956810
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14500, KAKENHI-PROJECT-19H00685, KAKENHI-PROJECT-18H01230, KAKENHI-PROJECT-18J22641, KAKENHI-PROJECT-19K21879, KAKENHI-PROJECT-19K14740, KAKENHI-PROJECT-19K23445
[Journal Article] Production and photon measurement of 229Pa toward the observation of radiative decay of 229mTh2021
- Author(s)
  Y. Shigekawa, T. Yokokita, Y. Komori, and H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 54 Pages: 143-144
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14500
[Journal Article] Co-precipitation behaviour of single atoms of rutherfordium in basic solutions2021
- Author(s)
  Y. Kasamatsu, K. Toyomura, H. Haba, T. Yokokita, A. Kino, Y. Yasuda, Y. Komori, J. Kanaya, M.H. Huang, M. Murakami, H. Kikunaga, E. Watanabe, T. Yoshimura, K. Morita, T. Mitsugashira, K. Takamiya, T. Ohtsuki, A. Shinohara
- Journal Title
  
  NATURE CHEMISTRY
  
  Volume: 13 Issue: 3 Pages: 226-230
- DOI
  10.1038/s41557-020-00634-6
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K22596, KAKENHI-PROJECT-20K14500, KAKENHI-PROJECT-20K15317, KAKENHI-PROJECT-17H01081, KAKENHI-PROJECT-18H04150, KAKENHI-PROJECT-19K23445
[Journal Article] Estimation of radiative half-life of 229mTh by half-life measurement of other nuclear excited states in 229Th2021
- Author(s)
  Shigekawa Y.、Yamaguchi A.、Suzuki K.、Haba H.、Hiraki T.、Kikunaga H.、Masuda T.、Nishimura S.、Sasao N.、Yoshimi A.、Yoshimura K.
- Journal Title
  
  Physical Review C
  
  Volume: 104 Issue: 2 Pages: 024306-024306
- DOI
  10.1103/physrevc.104.024306
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K18759, KAKENHI-PROJECT-19H00685, KAKENHI-PROJECT-18H01241, KAKENHI-PROJECT-20K14500
[Journal Article] Measurement of Extraction Time and Eﬃciency of 220Rn Ions Using a Cryogenic RF-Carpet Gas Cell for the Chemistry of Superheavy Elements2021
- Author(s)
  Y. Shigekawa, A. Yamaguchi, N. Sato, A. Takamine, M. Wada, and H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 54 Pages: 145-146
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14500
[Journal Article] Development of an RF-carpet gas cell for the chemistry of superheavy elements2020
- Author(s)
  Y. Shigekawa, A. Yamaguchi, N. Sato, A. Takamine, M. Wada, and H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 53 Pages: 168-168
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K23445
[Journal Article] Half-life determination of nuclear excited states of 229Th by the coincidence measurement between α particles and γ rays from 233U2020
- Author(s)
  Y. Shigekawa, A. Yamaguchi, K. Suzuki, H. Haba, T. Hiraki, H. Kikunaga, T. Masuda, S. Nishimura, N. Sasao, A. Yoshimi, and K. Yoshimura
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 53 Pages: 51-51
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14500
[Journal Article] Half-life determination of nuclear excited states of 229Th by the coincidence measurement between α particles and γ rays from 233U2020
- Author(s)
  Y. Shigekawa, A. Yamaguchi, K. Suzuki, H. Haba, T. Hiraki, H. Kikunaga, T. Masuda, S. Nishimura, N. Sasao, A. Yoshimi, and K. Yoshimura
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 53 Pages: 51-51
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K23445
[Journal Article] Solvent Extraction of Zr and Hf from HCl by Aliquat 336 using a Flow-Type Extraction Apparatus Toward Online Chemical Studies of Element 104, Rutherfordium2020
- Author(s)
  Kasamatsu Yoshitaka、Kondo Narumi、Nakamura Kouhei、Kuboki Yuki、Ninomiya Hidemi、Shigekawa Yudai、Watanabe Eisuke、Yasuda Yuki、Toyomura Keigo、Nagase Masahiro、Yokokita Takuya、Komori Yukiko、Haba Hiromitsu、Yoshimura Takashi、Itabashi Hideyuki、Shinohara Atsushi
- Journal Title
  
  Solvent Extraction and Ion Exchange
  
  Volume: 38 Issue: 3 Pages: 318-327
- DOI
  10.1080/07366299.2020.1726075
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14500, KAKENHI-PROJECT-20K15317, KAKENHI-PROJECT-17H01081, KAKENHI-PROJECT-17H01904, KAKENHI-PROJECT-19K23445
[Journal Article] Development of an RF-carpet gas cell for the chemistry of superheavy elements2020
- Author(s)
  Y. Shigekawa, A. Yamaguchi, N. Sato, A. Takamine, M. Wada, and H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep.
  
  Volume: 53 Pages: 168-168
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14500
[Journal Article] Development of a retarding-field type magnetic bottle spectrometer for studying the internal-conversion process of 235mU2020
- Author(s)
  Shigekawa Y.、Kasamatsu Y.、Yamakita Y.、Yasuda Y.、Watanabe E.、Kondo N.、Haba H.、Shinohara A.
- Journal Title
  
  Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
  
  Volume: 976 Pages: 164207-164207
- DOI
  10.1016/j.nima.2020.164207
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K14500, KAKENHI-PROJECT-19K23445
[Journal Article] Production of Bh266 in the Cm248(Na23,5n)Bh266 reaction and its decay properties2020
- Author(s)
  Haba H.他（Shigekawa Y. 19番目）
- Journal Title
  
  Physical Review C
  
  Volume: 102 Issue: 2 Pages: 024625-024625
- DOI
  10.1103/physrevc.102.024625
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14500, KAKENHI-PROJECT-20K15317, KAKENHI-PROJECT-16H02130, KAKENHI-PROJECT-17H01081, KAKENHI-PROJECT-19K23445
[Journal Article] X-ray pumping of the 229Th nuclear clock isomer2019
- Author(s)
  T. Masuda, A. Yoshimi, A. Fujieda, H. Fujimoto, H. Haba et al.
- Journal Title
  
  Nature
  
  Volume: 573 Issue: 7773 Pages: 238-242
- DOI
  10.1038/s41586-019-1542-3
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K21879, KAKENHI-PROJECT-19K14740, KAKENHI-PROJECT-19K23445, KAKENHI-PUBLICLY-18H04353, KAKENHI-PROJECT-18H01230, KAKENHI-PROJECT-18J22641
[Journal Article] Observation of internal-conversion electrons emitted from Th229m produced by β decay of Ac2292019
- Author(s)
  Shigekawa Y.、Kasamatsu Y.、Watanabe E.、Ninomiya H.、Hayami S.、Kondo N.、Yasuda Y.、Haba H.、Shinohara A.
- Journal Title
  
  Physical Review C
  
  Volume: 100 Issue: 4 Pages: 044304-044304
- DOI
  10.1103/physrevc.100.044304
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K23445
[Presentation] 原子核時計実現にむけたトリウムイオンのレーザー分光2023
- Author(s)
  山口敦史, 重河優大, 羽場宏光, 和田道治, 香取秀俊
- Organizer
  電子回路研究会次世代周波数精密計測の基礎と応用
- Data Source
  KAKENHI-PROJECT-23H00094
[Presentation] Th-229mイオンの引き出しとイオントラップ実験の現状2023
- Author(s)
  重河優大, 山口敦史, 床井健運, 佐藤望, 笠松良崇, 和田道治, 羽場宏光
- Organizer
  日本放射化学会第67回討論会(2023)
- Data Source
  KAKENHI-PROJECT-23K25904
[Presentation] 原子核時計実現にむけたトリウムイオンのレーザー分光2023
- Author(s)
  山口敦史, 重河優大, 羽場宏光, 菊永英寿, 白崎謙次, 和田道治, 香取秀俊
- Organizer
  日本放射化学会第67回討論会(2023)
- Invited
- Data Source
  KAKENHI-PROJECT-23K25904
[Presentation] トリウム229アイソマー準位探索のための核共鳴散乱標的の開発2023
- Author(s)
  福永優太, Kjeld Beeks, 藤本弘之, 平木貴宏, 管明, 羽場宏光, 笠松良崇, 北尾真司, 小無健司, 増田孝彦, 永澤延元, 岡井晃一, 笹尾登, Fabian Schaden, Thorsten Schumm, 瀬戸誠, 重河優大, 高取沙悠理, 玉作賢治, 植竹智, 渡部司, 渡部信, 山口敦史, 安田勇輝, 依田芳卓, 吉見彰洋, 吉村浩司, 吉村太彦
- Organizer
  日本物理学会2023年春季大会
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] Laser Spectroscopy of Triply Charged Thorium Ions Towards a Nuclear Clock2023
- Author(s)
  A. Yamaguchi, Y. Shigekawa, H. Haba, M. Wada, H. Katori
- Organizer
  IEEE IFCS-EFTF2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H00094
[Presentation] Laser Spectroscopy of Triply Charged Thorium-229 Isomer Toward a Nuclear Clock2023
- Author(s)
  A. Yamaguchi, Y. Shigekawa, H. Haba, M. Wada, H. Katori
- Organizer
  The 9th Symposium on Frequency Standards and Metrology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K25904
[Presentation] 原子核時計実現にむけたトリウムイオンのレーザー分光2023
- Author(s)
  山口敦史, 重河優大, 羽場宏光, 菊永英寿, 白崎謙次, 和田道治, 香取秀俊
- Organizer
  日本放射化学会第67回討論会
- Invited
- Data Source
  KAKENHI-PROJECT-23H00094
[Presentation] Trapping and laser spectroscopy of triply charged thorium ions towards a nuclear clock2023
- Author(s)
  A. Yamaguchi, Y. Shigekawa, H. Haba, M. Wada, and H. Katori
- Organizer
  International Conference on Stopping and Manipulation of Ions and Related Topics (SMI-2023)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K25904
[Presentation] トリウム229アイソマー状態からの脱励起真空紫外光の探索2023
- Author(s)
  平木貴宏, Kjeld Beeks, 藤本弘之, 福永優太, 管明, 羽場宏光, 笠松良崇, 北尾真司, 小無健司, 増田孝彦, 永澤延元, 岡井晃一, 笹尾登, Fabian Schaden, Thorsten Schumm, 瀬戸誠, 重河優大, 高取沙悠理, 玉作賢治, 植竹智, 渡部司, 渡部信, 山口敦史, 安田勇輝, 依田芳卓, 吉見彰洋, 吉村浩司, 吉村太彦
- Organizer
  日本物理学会2023年春季大会
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] Laser Spectroscopy of Triply Charged Thorium Ions Towards a Nuclear Clock2023
- Author(s)
  A. Yamaguchi, Y. Shigekawa, H. Haba, H. Katori, M. Wada
- Organizer
  Joint Conference of the IEEE International Frequency Control Symposium and the European Frequency and Time Forum (IEEE IFCS-EFTF 2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K25904
[Presentation] Progress toward observing γ-rays emitted from 229mTh by doping fluoride crystals with 229Pa2023
- Author(s)
  Yudai Shigekawa, Wang Yang, Yin Xiaojie, Akihiro Nambu, Hiromitsu Haba
- Organizer
  5th International Conference on Application of RadiotraCers and Energetic Beams in Sciences (ARCEBS 2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] 169Tm(d,2n)169Yb反応による169Ybの製造2023
- Author(s)
  南部明弘, 重河優大, 殷小杰臼田祥子, 羽場宏光
- Organizer
  第60回アイソトープ・放射線研究発表会
- Data Source
  KAKENHI-PLANNED-22H05024
[Presentation] 229Thイオンの引き出し・イオントラップ実験について2023
- Author(s)
  重河優大
- Organizer
  第 12回停止・低速 RIビームを用いた核分光研究会
- Invited
- Data Source
  KAKENHI-PROJECT-23K25904
[Presentation] 量子もつれ光子対による原子核ー多分子間相互作用プロープを活用した診断治療学の創生2023
- Author(s)
  島添健次、上ノ町水紀、富田英生、寺林稜平、園田哲、向井もも、重河優大、杉山暁、野村幸世、横北卓也、佐藤健
- Organizer
  日本科学振興協会年次大会2023 「会いに行ける科学者フェス」
- Data Source
  KAKENHI-ORGANIZER-22H05021
[Presentation] 原子核時計実現にむけたトリウムイオンのトラップとレーザー分光2023
- Author(s)
  山口敦史, 重河優大, 羽場宏光, 和田道治, 香取秀俊
- Organizer
  レーザー学会学術講演会第43回年次大会
- Invited
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] 固体原子核時計の実現へ向けた放射光X線を用いたトリウム229結晶の特性評価2023
- Author(s)
  高取沙悠理, Kjeld Beeks, 藤本弘之, 福永優太, 管明, 羽場宏光, 平木貴宏, 笠松良崇, 北尾真司, 小無健司, 増田孝彦, 永澤延元, 岡井晃一, 笹尾登, Fabian Schaden, Thorsten Schumm, 瀬戸誠, 重河優大, 玉作賢治, 植竹智, 渡部司, 渡部信, 山口敦史, 安田勇輝, 依田芳卓, 吉見彰洋, 吉村浩司, 吉村太彦
- Organizer
  日本物理学会2023年春季大会
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] Development of a cryogenic RF-carpet gas cell for the chemistry of superheavy elements2023
- Author(s)
  Y. Shigekawa, A. Yamaguchi, N. Sato, A. Takamine, M. Wada, H. Haba
- Organizer
  7th International Conference on the Chemistry and Physics of the Transactinide Elements (TAN 23)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K25904
[Presentation] Laser Spectroscopy of Triply Charged Thorium Ions Towards a Nuclear Clock2023
- Author(s)
  A. Yamaguchi, Y. Shigekawa, H. Haba, M. Wada, H. Katori
- Organizer
  14th International Conference on Stopping and Manipulation of Ions and Related Topics
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H00094
[Presentation] Laser Spectroscopy of Triply Charged Thorium-229 Isomer Toward a Nuclear Clock2023
- Author(s)
  A. Yamaguchi, Y. Shigekawa, H. Haba, M. Wada, H. Katori
- Organizer
  The 9th Symposium on Frequency Standards and Metrology
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H00094
[Presentation] Progress toward observing γ-rays emitted from 229mTh by doping fluoride crystals with 229Pa2023
- Author(s)
  Yudai Shigekawa, Wang Yang, Yin Xiaojie, Akihiro Nambu, Hiromitsu Haba
- Organizer
  5th International Conference on Application of RadiotraCers and Energetic Beams in Sciences (ARCEBS 2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-22H05024
[Presentation] 169Tm(d,2n)169Yb反応による169Ybの製造2023
- Author(s)
  南部明弘, 重河優大, 殷小杰臼田祥子, 羽場宏光
- Organizer
  第60回アイソトープ・放射線研究発表会
- Data Source
  KAKENHI-ORGANIZER-22H05021
[Presentation] Extraction and trapping of 229mTh ions for measuring nuclear-decay half-lives of various ionic species of 229mTh and observing electronic bridge process2023
- Author(s)
  Yudai Shigekawa, Atsushi Yamaguchi, Katsuyuki Tokoi, Nozomi Sato, Michiharu Wada, Hiromitsu Haba
- Organizer
  6th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan (HAWAII2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K25904
[Presentation] Laser spectroscopy of triply charged thorium ions towards a nuclear clock2022
- Author(s)
  A. Yamaguchi, Y. Shigekawa, H. Haba, M. Wada, H. Katori
- Organizer
  URSI-JRSM2022
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] Development of an RF-carpet gas cell to obtain a low-energy thorium ion beam2022
- Author(s)
  A. Yamaguchi, Y. Shigekawa, H. Haba, M. Wada, H. Katori
- Organizer
  Second Workshop of the Center for Time, Constants and Fundamental Symmetries
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] 超低エネルギー励起核U-235mとTh-229mの核壊変特性に関する研究2022
- Author(s)
  重河優大
- Organizer
  電気学会2022年度第1回調査専門委員会
- Invited
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] 229mThのγ線測定に向けた希ガスマトリックス単離装置の開発2022
- Author(s)
  益田遼太郎, 安田勇輝, 澤村慶, 重河優大, 宮本祐樹, 吉村浩司, 篠原厚, 笠松良崇
- Organizer
  日本放射化学会第66回討論会(2022)
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] 超低エネルギー励起核U-235mとTh-229mの核壊変特性に関する研究2022
- Author(s)
  重河優大
- Organizer
  電気学会2022年度第1回調査専門委員会
- Invited
- Data Source
  KAKENHI-PLANNED-22H05024
[Presentation] Th-229mのγ線観測に向けたPa-229のフッ化物結晶への導入法及び光子測定装置の開発2022
- Author(s)
  重河優大, Wang Yang, Yin Xiaojie, 南部明弘, 羽場宏光
- Organizer
  日本放射化学会第66回討論会(2022)
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] 原子核時計実現にむけたトリウムイオントラップ装置の開発2022
- Author(s)
  山口敦史, 重河優大, 羽場宏光, 和田道治, 香取秀俊
- Organizer
  日本物理学会2022年秋季大会
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] トリウム229アイソマー状態からの脱励起に伴う真空紫外光の探索2022
- Author(s)
  岡井晃一, Kjeld Beeks, 藤本弘之, 福永優太, 管明, 羽場宏光, 原秀明, 平木貴宏, 稲垣新, 小早川大貴, 笠松良崇, 北尾真司, 小無健司, 増田孝彦, 宮本祐樹, 笹尾登, Thorsten Schumm, 瀬戸誠, 重河優大, 高取沙悠理, 玉作賢治, 植竹智, 渡部司, 渡部信, 山口敦史, 安田勇輝, 依田芳卓, 吉見彰洋, 吉村浩司, 吉村太彦
- Organizer
  日本物理学会 2022年秋季大会
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] Th-229mのγ線観測に向けたPa-229のフッ化物結晶への導入法及び光子測定装置の開発2022
- Author(s)
  重河優大, Wang Yang, Yin Xiaojie, 南部明弘, 羽場宏光
- Organizer
  日本放射化学会第66回討論会(2022)
- Data Source
  KAKENHI-PLANNED-22H05024
[Presentation] Th-229mの壊変特性の解明に向けた高周波イオン収集・質量分離装置の開発2021
- Author(s)
  重河優大, 床井健運, 山口敦史, Wang Yang, Yin Xiaojie, 南部明弘, 佐藤望, 和田道治, 羽場宏光
- Organizer
  日本放射化学会第65回討論会(2021)
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] 核化学研究用高周波イオン収集システムの開発2020
- Author(s)
  重河優大, 山口敦史, 佐藤望, 高峰愛子, 和田道治, 羽場宏光
- Organizer
  日本放射化学会第64回討論会(2020)
- Data Source
  KAKENHI-PROJECT-19K23445
[Presentation] 核化学研究用高周波イオン収集システムの開発2020
- Author(s)
  重河優大, 山口敦史, 佐藤望, 高峰愛子, 和田道治, 羽場宏光
- Organizer
  日本放射化学会第64回討論会(2020)
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] U-233のα-γ同時計数測定によるTh-229の原子核励起状態の半減期の決定2020
- Author(s)
  重河優大, 山口敦史, 鈴木健太, 羽場宏光, 平木貴宏, 菊永英寿, 西村俊二, 笹尾登, 吉見彰洋, 吉村浩司
- Organizer
  日本放射化学会第64回討論会(2020)
- Data Source
  KAKENHI-PROJECT-19K23445
[Presentation] U-233のα-γ同時計数測定によるTh-229の原子核励起状態の半減期の決定2020
- Author(s)
  重河優大, 山口敦史, 鈴木健太, 羽場宏光, 平木貴宏, 菊永英寿, 西村俊二, 笹尾登, 吉見彰洋, 吉村浩司
- Organizer
  日本放射化学会第64回討論会(2020)
- Data Source
  KAKENHI-PROJECT-20K14500
[Presentation] Ac-229のβ線―電子同時計数測定によるTh-229mの内部転換電子の観測2019
- Author(s)
  重河優大, 笠松良崇, 渡邉瑛介, 安田勇輝, 近藤成美, 二宮秀美, 速水翔, 羽場宏光, 篠原厚
- Organizer
  日本放射化学会第63回討論会(2019)
- Data Source
  KAKENHI-PROJECT-19K23445
[Presentation] 酸化物・フッ化物・塩化物系におけるU-235mの半減期および内部転換電子エネルギースペクトルの測定2019
- Author(s)
  重河優大, 笠松良崇, 山北佳宏, 金子政志, 渡邉雅之, 渡邉瑛介, 安田勇輝, 近藤成美, 篠原厚
- Organizer
  日本放射化学会第63回討論会(2019)
- Data Source
  KAKENHI-PROJECT-19K23445

1. 山口敦史 (70724805)

# of Collaborated Projects: 3 results

# of Collaborated Products: 14 results
2. 吉村浩司 (50272464)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 北尾真司 (00314295)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 菊永英寿 (00435645)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
5. 笠松良崇 (70435593)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 島添健次 (70589340)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
7. 富田英生 (20432239)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
8. 佐藤健 (30507091)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
9. 杉山暁 (40562715)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 野村幸世 (70301819)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 横北卓也 (10802655)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 羽場宏光 (60360624)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
13. 加治大哉 (00391912)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 上ノ町水紀

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
15. 吉見彰洋

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
16. 篠原厚

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
17. 高宮幸一

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
18. 大槻勤

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
19. 高島大輝

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

SHIGEKAWA YUDAI 重河 優大

Shigekawa Yudai 重河 優大

Research Projects

Research Products

Co-Researchers

革新的超重元素化学分析システムの構築と新元素の化学

Principal Investigator

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原子核時計実現にむけたトリウム229イオンのレーザー冷却

Principal Investigator

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Research Institution

トリウム229核異性体の内部転換抑制手法の開発によるガンマ線放出過程の解明Principal Investigator

Principal Investigator

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Photon Pair Theranostics

Principal Investigator

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もつれ光子対放出原子核と分子プローブの創成による生体内化学環境の医療診断Principal Investigator

Principal Investigator

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レーザーによるコヒーレントな原子核操作の実現ー原子核時計の創成と応用に向けて

Principal Investigator

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Observing the electron bridge process of the Th-229 isomer utilizing ion-molecule reactionsPrincipal Investigator

Principal Investigator

Project Period (FY)

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Review Section

Research Institution

Elucidation of the nuclear decay property of Th-229m utilizing Ac-229Principal Investigator

Principal Investigator

Project Period (FY)

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Research Institution

[Journal Article] pH dependence of perturbed angular correlation in DOTA chelated $$^{111}$$In measured with ring-shape gamma-ray detectors2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Laser spectroscopy of triply charged 229Th isomer for a nuclear clock2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Simultaneous multi-nuclide imaging via reconstruction-free double-photon emission coincidence imaging method with parallel hole collimator and slat collimator2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Improved chemical separation scheme of Pa isotopes from a 232Th target toward observing the radiative decay of 229mTh using 229Pa2023

Author(s)

Journal Title

Data Source

[Journal Article] Preparation of a small high-density 229Th target for the X-ray pumping of the 229Th nuclear clock isomer2023

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Data Source

[Journal Article] Production yields of 165Er and 169Yb via 24-MeV deuteron induced reactions2023

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Data Source

SHIGEKAWA YUDAI 重河優大

Shigekawa Yudai 重河優大

[Journal Article] Measurement of Extraction Time and Eﬃciency of 220Rn Ions Using a Cryogenic RF-Carpet Gas Cell for the Chemistry of Superheavy Elements2021