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論文、招待講演など（2023年以降）

掲載日：2024年4月1日更新
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査読論文

  1. Full characterization of superradiant pulses generated from a free-electron laser oscillator, H. Zen, R. Hajima, H. Ohgaki, Scientific Reports 13, 6350 (2023)  https://doi.org/10.1038/s41598-023-33550-z (open access)
  2. Measurement of spatial polarization distribution of circularly polarized gamma rays produced by inverse Compton scattering, Y. Taira, S. Endo, S. Kawamura, T. Nambu, M. Okuizumi, T. Shizuma, M. Omer, H. Zen, Y. Oka, K. Kitaguchi, Physical Review A 107, 063503 (2023).
  3. High-intensity single-pulse extraction using a laser-activated GaAs reflective switch for a terahertz free-electron laser, K. Kawase, G. Isoyama, Nuclear Instruments and Methods in Physics Research Section A 1096, 168618 (2023). https://doi.org/10.1016/j.nima.2023.168618
  4. Advances in laser-driven neutron sources and applications, A. Yogo, Y. Arikawa, Y. Abe, S.R. Mirfayzi, T. Hayakawa, K. Mima, R. Kodama, The European Physical Journal A 59, 191 (2023). https://doi.org/10.1140/epja/s10050-023-01083-8 (open access)
  5. Generation of flat-laser Compton scattering γ -ray beam, Hideaki Ohgaki, Khaled Ali, Toshiteru Kii, Heishun Zen, Takehito Hayakawa, Toshiyuki Shizuma, Masaki Fujimoto, and Yoshitaka Taira Phys. Rev. Accel. Beams 26, 093402 (2023).  https://doi.org/10.1103/PhysRevAccelBeams.26.093402 (open access)
  6. Half-life of the nuclear cosmochronometer 176Lu measured with a windowless 4π solid angle scintillation detector, T. Hayakawa, T. Shizuma, T. Iizuka, Communications Physics 6, 299 (2023). https://doi.org/10.1038/s42005-023-01406-7 (open access)
  7. Application of the spectral determination method to liquid scintillation spectra, Masumi Oshima, Jun Goto, Takehito Hayakawa, Hirofumi Shinohara, Katsuyuki Suzuki, Yuichi Sano, Masato Asai, Tomoko Haraga, Journal of Nuclear Science and Technology  DOI: 10.1080/00223131.2023.2282552
  8. Nonlinear compression of naturally down-chirped superradiance pulses from a free-electron laser oscillator by thick germanium plates, Heishun Zen, Ryoichi Hajima, and Hideaki Ohgaki, Optics Express 24, 40928-40936 (2023). https://doi.org/10.1364/OE.503090 (open access)
  9. Photon vortex generation by synchrotron radiation experiments in relativistic quantum approach, Tomoyuki Maruyama, Takehito Hayakawa, Ryoichi Hajima, Toshitaka Kajino, and Myung-Ki Cheoun Phys. Rev. Research 5, 043289 (2023). https://doi.org/10.1103/PhysRevResearch.5.043289 (open access)
  10. Parity assignment for low-lying dipole states in 58Ni, T. Shizuma, M. Omer, T. Hayakawa, F. Minato, S. Matsuba, S. Miyamoto, N. Shimizu, and Y. Utsuno, Phys. Rev. C 109, 014302 (2024). https://doi.org/10.1103/PhysRevC.109.014302
  11. Carrier-envelope phase stabilization in FEL oscillators, R Hajima, K Kawase, H Zen and H Ohgaki, Journal of Physics: Conference Series 2687, 032013 (2024)  DOI 10.1088/1742-6596/2687/3/032013 (open access)
  12. Nondestructive determination of isotopic abundance by multi-energy nuclear resonance Florescence driven by laser Compton scattering source, M. Omer, T. Shizuma, R. Hajima, M. Koizumi, Journal of Applied Physics 135, 184903 (2024). https://doi.org/10.1063/5.0197076
  13. Cryogenic solid deuterium target formation to realize highly pure deuteron acceleration by high-intensity laser, T. Wei, A. Iwamoto, D. Tanabe, Z. Lan, T. Hayakawa, Y. Arikawa, T. Mori, M. Takeshita, M. Murakami, Y. Gu, A. Morace, M. Nakai, R. Kodama, A. Yogo, Jpn. J. Appl. Phys. 63, 046002 (2024). DOI 10.35848/1347-4065/ad32e6
  14. Breakdown of argon by a train of high-repetition long-wave-infrared pulses from a free-electron laser oscillator, R. Hajima, K. Kawase, J.K. Koga, H. Zen, H. Ohgaki, Opics Express 32, 22722-22737 (2024).  https://doi.org/10.1364/OE.524887
  15. Spin and parity assignments for low-lying dipole states in the odd-mass nucleus 181Ta, T. Shizuma, M. Omer, R. Hajima, M. Koizumi, Phys. Rev. C 109, 054320 (2024). https://doi.org/10.1103/PhysRevC.109.054320
  16. Beam characterization of mid-infrared free electron laser to drive high-harmonic generation, K. Kawase, H. Zen, T. Sakai, Y. Hayakawa, H. Ohgaki, R. Hajima, Jpn. J. Appl. Phys. 63 072001 (2024). DOI 10.35848/1347-4065/ad5425
  17. Single-shot laser-driven neutron resonance spectroscopy for temperature profiling, Z. Lan, Y. Arikawa, S.R. Mirfayzi, A. Morace, T. Hayakawa, H. Sato, T. Kamiyama, T. Wei, Y. Tatsumi, M. Koizumi, Y. Abe, S. Fujioka, K. Mima, R. Kodama, A. Yogo, Nature Communications 15, Article number: 5365 (2024) https://doi.org/10.1038/s41467-024-49142-y
  18. Realizing laser-driven deuteron acceleration with low energy spread via in situ D2O-deposited target, T. Wei, Y. Arikawa, S.R. Mirfayzi, Y. Gu, T. Hayakawa,  A. Morace, K. Mima, Z. Lan, R. Yamada, K. Yamanoi, K. Honda, S.V. Bulanov. A. Yogo, Phys. Plasmas 31, 073903 (2024).  DOI:10.1063/5.0213175
  19. Circular polarization measurement for individual gamma rays in capture reactions with intense pulsed neutrons, S. Endo, R. Abe, H. Fujioka, T. Ino, O. Iwamoto, N. Iwamoto, S. Kawamura, A. Kimura, M. Kitaguchi, R. Kobayashi, S. Nakamura, T. Oku, T. Okudaira, M. Okuizumi, M. Omer, G. Rovira, T. Shima, H. M. Shimizu, T. Shizuma, Y. Taira, S. Takada, S. Takahashi, H. Yoshikawa, T. Yoshioka, H. Zen, Eur. Phys. J. A 60:166 (2024). https://doi.org/10.1140/epja/s10050-024-01392-6
  20. Demonstration of Shape Analysis of Neutron Resonance Transmission Spectrum Measured with a Laser-driven Neutron Source, M. Koizumi, F. Ito, J. Lee, K. Hironaka, T. Takahashi, S. Suzuki, Y. Arikawa, Y. Abe, Z. Lan, T. Wei, T. Mori, T. Hayakawa, and A. Yogo, Sci. Rep. 14, Article number: 21916 (2024) https://doi.org/10.1038/s41598-024-72836-8
  21. Optical model potentials for deuteron scattering off 24Mg, 28Si, 58Ni, 90Zr, 116Sn, and 208Pb at ≈100 MeV/nucleon, D. Patel, D. C. Cuong, K. B. Howard, U. Garg, Dao T. Khoa, H. Akimune, G. P. A. Berg, M. Fujiwara, M. N. Harakeh, M. Itoh, C. Iwamoto, T. Kawabata, K. Kawase, J. T. Matta, T. Murakami, and M. Yosoi, Phys. Rev. C 110, 044314 (2024). DOI:https://doi.org/10.1103/PhysRevC.110.044314
  22. Effect of Photon Vortex Generated in Extremely Strong Magnetic Fields on Stellar Nucleosynthesis, Tomoyuki Maruyama, Takehito Hayakawa, Myung-Ki Cheoun and Toshitaka Kajino. Astrophysical Journal 975, 51 (2024). DOI: https://doi.org/10.3847/1538-4357/ad77a4
  23. Temporal evolution of electron-bunch length in macropulse of resonator-type free-electron lasers, Norihiro Sei, Heishun Zen, Hideaki Ohgaki, Ryoichi Hajima, iScience Volume 27, Issue 12 (2024). DOI: https://doi.org/10.1016/j.isci.2024.1114022
  24. Photon Vortex Production from Synchrotron Radiation of Electron in Relativistic Quantum Approach, Tomoyuki Maruyama, Takehito Hayakawa, Toshitaka Kajino, Myung-Ki Cheoun, Journal of Physics: Conference Series Vol. 2894, 012025 (2024). DOI: https://doi.org/10.1088/1742-6596/2894/1/012025​
  25. Nuclear Astrophysics Using Laser-Driven Neutrons, Takehito Hayakawa, J. Phys.: Conf. Ser. 2894 012023  DOI 10.1088/1742-6596/2894/1/012023
  26. Low-lying level structure of 140Pr from the (d,α)reaction, D. Bucurescu,  S. Pascu, R. Lică, D. Filipescu, R. Hertenberger, H.-F. Wirth, T. Faestermann,  M. Spieker, T. Hayakawa, K. Ogawa, Physical Review C 110, 064311 (2024). DOI:  https://doi.org/10.1103/PhysRevC.110.064311
  27. Application of the spectral determination method to unified β-, γ- and X-ray spectra, M. Oshima, J. Goto, T. Hayakawa, M. Asai, H. Shinohara, K. Suzuki, H. Shen, Journal of Nuclear Science and Technology, 1–10. https://doi.org/10.1080/00223131.2024.2439921

解説、報告

  1. 先進スペクトル定量法による汎用分析技術, 大島　真澄,  後藤　淳,  早川　岳人,  浅井　雅人,  金　政宏,  篠原　宏文, Isotope News, (790), 19, 2023-12
  2. 宇宙核時計 176Luの半減期問題を解決, 早川岳人, 静間俊行, 飯塚毅, 日本原子力学会誌 Vl. 66, No.5, 259-263 (2024)
  3. 176Lu 半減期を正確に測定, 早川岳人、静間俊行、飯塚毅、Isotioe News 2024 年 10 月号, 2-5 (2024)
  4. 自由電子レーザーの歴史と展望, 羽島良一, 放射光, vol.38, No.1 pp.68-71 (2025).

招待講演

  1. Generation and applications of superradiant FEL pulses, R. Hajima, Korean Physical Society 2023 Fall Meeting, 2023-10-25.
  2. QST関西光量子科学研究所における高強度レーザー科学研究, 羽島良一, 第32回放射線利用総合シンポジウム, 大阪ニュークリアサイエンス協会, 2024-01-22
  3. Demonstration for 67Cu production with neutrons provided from laser, Takehito Hayakawa,  Takato Mori,  Yasunobu Arikawa,  Seyed R. Mirfayzi,  Zechen Lan,  Tianyun Wei,  Yuki Abe,  Mitsuo Nakai,  Kunioki Mima,  Shinsuke Fujioka,  Ryosuke Kodama, The Fourth International Conference Nuclaer Photonics 2023, The Triangle Universities Nuclear Laboratory, 2023-09-13
  4. Accelerated decay of 176Lu, Hayakawa Takehito, “Origin of Elements and Cosmic Evolution: From Big-Bang to Supernovae and Mergers” (OECE2023), Beihang University, 2023-11-02
  5. Higher Order Delbrück Scattering in the Search for New Particles, James Kevin Koga,  Hayakawa Takehito, The 79th Fujihara Seminar, The Fujihara Foundation of Science and QST, 2023-07-13
  6. Nuclear astrophysics using laser-driven neutrons, Hayakawa Takehito, 31st ANNUAL INTERNATIONAL LASER PHYSICS WORKSHOP, Astro Ltd, 2023-07-05
  7. Progress in Higher Order Delbrück Scattering calculations, James Kevin Koga,  Hayakawa Takehito, The thirty-first annual International Laser Physics Workshop (LPHYS'23), Astro Science Ltd, Canada and Institute of Physics, London, UK, 2023-07-05
  8. Neutron resonance spectroscopy by  laser-driven neutron sources, Hayakawa Takehito, JAPAN - ELI (Extreme Light Infrastructure) Joint Workshop, Institute of Laser Engineering in Osaka University and Extreme Light Infrastructure, 2023-04-17
  9. Nuclear astrophysics with gamma-ray/neutron provided from high peak power laser, T. Hayakawa, New opportunities and challenges in nuclear physics with high power lasers, Jul 1, 2024, ETC Trent, Italy.
  10. Accurate half-life of long-lived radionuclide 176Lu, T. Hayakawa, Japan Geoscience Union Meeting 2024, May 30, 2024,  Makuhari Messe.
  11. 超放射領域で動作する赤外自由電子レーザーによる高次高調波の生成, 羽島良一, OPTO 2024, 6月5日, 2024, KPSI, QST.
  12. High Harmonic Frequency Combs Based on an Infrared FEL Oscillator, R. Hajima, The 69th ICFA Advanced Beam Dynamics Workshop on Energy Recovery Linacs（ERL2024), Sep. 24-27, 2024, Tsukuba KEK.

会議論文

  1. Generation of Naturally Down-Chirped Few-Cycle Pulse from Free-Electron Laser Oscillator and Its Pulse Compression, H. Zen, H. Ohgaki, R. Hajima, 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), DOI:10.1109/IRMMW-THz57677.2023.10299308
  2. Laser-induced gas breakdown by a train of femtosecond long-wave infrared FEL pulses, R. Hajima, K. Kawase, H. Zen, H. Ohgaki, 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), DOI:10.1109/IRMMW-THz57677.2023.10299282
  3. 光伝搬に外部境界条件を組込んだ自由電子レーザのシミュレーション, 坂本文人,  加藤龍好,  本田洋介,  島田美帆,  阪井寛志,  中村典雄,  谷川貴紀,  羽島　良一, 第20回日本加速器学会年会プロシーディングス, 361 - 364, 2023-11 PDF
  4. 自由電子レーザーで駆動する高繰り返しアト秒光源の研究: 2023, 羽島　良一,  川瀬　啓悟,  全炳俊,  大垣英明,  早川恭史,  境武志, 第20回日本加速器学会年会プロシーディングス, 899 - 901, 2023-11 PDF
  5. 中赤外自由電子レーザーによる気体のトンネルイオン化電子のエネルギー計測, 川瀬　啓悟,  羽島　良一,  大垣　英明,  全　炳俊, 第20回日本加速器学会年会プロシーディングス, 741 - 743, 2023-11 PDF
  6. スポーク空洞におけるHOM減衰の研究, 沢村勝, 第20回日本加速器学会年会プロシーディングス, 646-648, 2023-11 PDF
  7. Laser-induced gas breakdown at KU-FEL, R. Hajima,  H. Zen,  H. Ohgaki, Proceedings of FEL 2022, , 2023-11, DOI:10.18429/JACoW-FEL2022-MOP28
  8. Unaveraged simulation of superradiance in FEL oscillators, R. Hajima, Proceedings of FEL 2022, , 2023-11, DOI:10.18429/JACoW-FEL2022-MOP27

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LCSガンマ線研究グループ