Yasumasa Hikosaka

2025

Spin dependence in core-valence double photoionization of neon

Odagiri, T., Sugawara, Y., Kaneyasu, T., Adachi, J. I., Tanaka, H., Suzuki, I. H., Suzuki, S. & Hikosaka, Y., 2025/02, In: Physical Review A. 111, 2, L020801.

Research output: Contribution to journal › Article › peer-review

2024

Dissociation following the Auger decay of xenon difluoride molecules

Hikosaka, Y., 2024/01/14, In: Journal of Chemical Physics. 160, 2, 024304.

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Exploring the ultrafast and isomer-dependent photodissociation of iodothiophenes via site-selective ionization

Razmus, W. O., Allum, F., Harries, J., Kumagai, Y., Nagaya, K., Bhattacharyya, S., Britton, M., Brouard, M., Bucksbaum, P. H., Cheung, K., Crane, S. W., Fushitani, M., Gabalski, I., Gejo, T., Ghrist, A., Heathcote, D., Hikosaka, Y., Hishikawa, A., Hockett, P. & Jones, E. & 25 others, Kukk, E., Iwayama, H., Lam, H. V. S., McManus, J. W., Milesevic, D., Mikosch, J., Minemoto, S., Niozu, A., Orr-Ewing, A. J., Owada, S., Rolles, D., Rudenko, A., Townsend, D., Ueda, K., Unwin, J., Vallance, C., Venkatachalam, A., Wada, S. I., Walmsley, T., Warne, E. M., Woodhouse, J. L., Burt, M., Ashfold, M. N. R., Minns, R. S. & Forbes, R., 2024/04/05, In: Physical Chemistry Chemical Physics. 26, 16, p. 12725-12737 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Scopus citations

State-selective dissociative double ionization of CH₃I and CH₂I₂ via I 4d core-hole states studied by multi-electron-ion coincidence spectroscopy

Fushitani, M., Hikosaka, Y., Tashiro, M. & Hishikawa, A., 2024/05/07, In: Journal of Chemical Physics. 160, 17, 174307.

Research output: Contribution to journal › Article › peer-review

多電子・イオン同時計測によるXeF2のオージェ終状態の解離の研究

彦坂泰正, 2024.

Research output: Contribution to conference › Presentation

2023

Capturing transient core-to-core resonances in Kr in intense extreme-ultraviolet laser fields by electron-ion coincidence spectroscopy

Fushitani, M., Yamada, M., Fujise, H., Owada, S., Togashi, T., Nakajima, K., Yabashi, M., Matsuda, A., Hikosaka, Y. & Hishikawa, A., 2023/02, In: Physical Review A. 107, 2, L021101.

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Frequency-domain interferometry for the determination of time delay between two extreme-ultraviolet wave packets generated by a tandem undulator

Hikosaka, Y., Kaneyasu, T., Wada, S., Kohguchi, H., Ota, H., Nakamura, E., Iwayama, H., Fujimoto, M., Hosaka, M. & Katoh, M., 2023/12, In: Scientific Reports. 13, 1, 10292.

Research output: Contribution to journal › Article › peer-review

Open Access

Metastability and fragmentation of the OCS³⁺ states produced by S 2p double Auger decay

Hikosaka, Y., 2023/06/07, In: Journal of Chemical Physics. 158, 21, 214306.

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Search for the interatomic Auger effect in Nitrous Oxide

Mailhiot, M., Hikosaka, Y., Jänkälä, K., Kivimäki, A., Küstner-Wetekam, C., Palaudoux, J., Pelimanni, E., Penent, F., Zindel, C., Patanen, M., Lablanquie, P., Huttula, M. & Hans, A., 2023/05, In: Journal of Electron Spectroscopy and Related Phenomena. 265, 147333.

Research output: Contribution to journal › Article › peer-review

Open Access

Spectral phase interferometry for direct electric-field reconstruction of synchrotron radiation

Fuji, T., Kaneyasu, T., Fujimoto, M., Okano, Y., Salehi, E., Hosaka, M., Takashima, Y., Mano, A., Hikosaka, Y., Wada, S. I. & Katoh, M., 2023/02, In: Optica. 10, 2, p. 302-307 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

6 Scopus citations

Spectral phase interferometry for direct electric-field reconstruction of XUV synchrotron light

Fuji, T., Kaneyasu, T., Fujimoto, M., Okano, Y., Salehi, E., Hosaka, M., Takashima, Y., Mano, A., Hikosaka, Y., Wada, S. I. & Katoh, M., 2023, 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023. Institute of Electrical and Electronics Engineers Inc., (2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Spectral phase interferometry for direct electric-field reconstruction of XUV synchrotron light

Fuji, T., Kaneyasu, T., Fujimoto, M., Okano, Y., Salehi, E., Hosaka, M., Takashima, Y., Mano, A., Hikosaka, Y., Wada, S. I. & Katoh, M., 2023.

Research output: Contribution to conference › Paper › peer-review

Time domain double slit interference of electron produced by XUV synchrotron radiation

Kaneyasu, T., Hikosaka, Y., Wada, S., Fujimoto, M., Ota, H., Iwayama, H. & Katoh, M., 2023/12, In: Scientific Reports. 13, 1, 6142.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Scopus citations

Waveform characterization of synchrotron light using spectral phase interferometry for direct electric-field reconstruction

Fuji, T., Kaneyasu, T., Fujimoto, M., Okano, Y., Salehi, E., Hosaka, M., Takashima, Y., Mano, A., Hikosaka, Y., Wada, S. I. & Katoh, M., 2023.

Research output: Contribution to conference › Paper › peer-review

「カーボンニュートラル」教育に関する実態調査: 本学の教養教育でのカーボンニュートラル人材育成に向けて

Translated title of the contribution: Questionnaire on Education about Carbon Neutral彦坂泰正, 杉森保, 片桐達雄 & 木村元, 2023/03/10, In: 富山大学教養教育院紀要. 4, p. 123-126 4 p.

Research output: Contribution to journal › Article

多電子-イオン同時計測によるXe4s空孔状態の多重オージェ崩壊の研究

彦坂泰正, 2023.

Research output: Contribution to conference › Presentation

多電子・イオン同時計測によるXeF2のオージェ終状態の解離の研究

彦坂泰正, 2023.

Research output: Contribution to conference › Presentation

極紫外FELを用いた時間分解電子-イオンコインシデンス分光：ヨウ化メチル光解離反応

伏谷瑞穂, 天池駿介, 大野友希, 山崎航, 大和田成起, 富樫格, 中嶋享, 矢橋牧名, 松田晃孝, 加藤景子, 彦坂泰正 & 菱川明栄, 2023.

Research output: Contribution to conference › Presentation

極紫外自由電子レーザー場中Kr原子の共鳴内殻軌道間遷移の観測

伏谷瑞穂, 山田誠, 藤瀬光香, 大和田成起, 富樫格, 中嶋享, 矢橋牧名, 松田晃孝, 彦坂泰正 & 菱川明栄, 2023.

Research output: Contribution to conference › Presentation

自然科学系科目の集約と標準化の検討

Translated title of the contribution: Reorganization of natural science courses and review of the course contents彦坂泰正, 吉田勝一, 谷井一郎 & 杉森保, 2023/03/10, In: 富山大学教養教育院紀要. 4, p. 118-122 5 p.

Research output: Contribution to journal › Article

2022

A modified magnetic bottle electron spectrometer for the detection of multiply charged ions in coincidence with all correlated electrons: decay pathways to Xe³⁺ above xenon-4d ionization threshold

Ismail, I., Khalal, M. A., Huttula, M., Jänkälä, K., Bizau, J. M., Cubaynes, D., Hikosaka, Y., Bučar, K., Žitnik, M., Andric, L., Lablanquie, P., Palaudoux, J. & Penent, F., 2022/08/12, In: Physical Chemistry Chemical Physics. 24, 34, p. 20219-20227 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

7 Scopus citations

Coherent control of atoms in the extreme ultraviolet and attosecond regime by synchrotron radiation

Kaneyasu, T., Hikosaka, Y., Fujimoto, M., Iwayama, H. & Katoh, M., 2022, In: Journal of Physics: Conference Series. 2380, 1, 012115.

Research output: Contribution to journal › Conference article › peer-review

Open Access

Coster-Kronig and super Coster-Kronig transitions from the Xe 4s core-hole state

Hikosaka, Y. & Fritzsche, S., 2022, In: Physical Chemistry Chemical Physics. 24, 29, p. 17535-17541 7 p.

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Double-pulsed wave packets in spontaneous radiation from a tandem undulator

Kaneyasu, T., Hosaka, M., Mano, A., Takashima, Y., Fujimoto, M., Salehi, E., Iwayama, H., Hikosaka, Y. & Katoh, M., 2022/12, In: Scientific Reports. 12, 1, 9682.

Research output: Contribution to journal › Article › peer-review

Open Access

7 Scopus citations

Efficient Multi-Electron－Ion Coincidence Spectroscopy with a Magnetic Bottle Electron Spectrometer

Hikosaka, Y., 2022.

Research output: Contribution to conference › Presentation

Multi-electron–ion coincidence spectrometer with a high-efficiency microchannel plate detector

Hikosaka, Y., 2022/02, In: Journal of Electron Spectroscopy and Related Phenomena. 255, 147158.

Research output: Contribution to journal › Article › peer-review

Open Access

8 Scopus citations

Sequential quadruple Auger decay pathways from the Xe 4s core-hole state

Hikosaka, Y., 2022/12, In: Physical Review A. 106, 6, 062814.

Research output: Contribution to journal › Article › peer-review

Single and double Auger decays from highly-excited vibrational sublevels in core-ionized N₂ molecules

Kaneyasu, T., Odagiri, T., Tanaka, H., Adachi, J. I. & Hikosaka, Y., 2022/08, In: Journal of Electron Spectroscopy and Related Phenomena. 259, 147244.

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Specific chemical bond relaxation unraveled by analysis of shake-up satellites in the oxygen single site double core hole spectrum of CO₂

Ferté, A., Penent, F., Palaudoux, J., Iwayama, H., Shigemasa, E., Hikosaka, Y., Soejima, K., Lablanquie, P., Taïeb, R. & Carniato, S., 2022/01/14, In: Physical Chemistry Chemical Physics. 24, 2, p. 1131-1146 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Scopus citations

磁気ボトル型電子分析器を用いた高効率な多電子-イオン同時計測

彦坂泰正, 2022.

Research output: Contribution to conference › Presentation

2021

Auger cascade initiated by the Coster-Kronig transition from the Kr 3p core-hole states

Hikosaka, Y., Lablanquie, P., Kaneyasu, T., Adachi, J., Tanaka, H., Suzuki, I. H., Ishikawa, M. & Odagiri, T., 2021/09/22, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 54, 18, 185002.

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Auger decay of the 3d hole in the isoelectronic series of Br, Kr+, and Rb2+

Keskinen, J., Jankala, K., Huttula, S. M., Kaneyasu, T., Hikosaka, Y., Shigemasa, E., Iwayama, H., Soejima, K., Ito, K., Andric, L., Khalal, M. A., Palaudoux, J., Penent, F. & Lablanquie, P., 2021/03, In: Physical Review A. 103, 3, 032828.

Research output: Contribution to journal › Article › peer-review

Open Access

Electron Wave Packet Interference in Atomic Inner-Shell Excitation

Kaneyasu, T., Hikosaka, Y., Fujimoto, M., Iwayama, H. & Katoh, M., 2021/03/17, In: Physical Review Letters. 126, 11, 113202.

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Reply to ‘Comment on “Coherent control in the extreme ultraviolet and attosecond regime by synchrotron radiation”’

Hikosaka, Y., Kaneyasu, T., Fujimoto, M., Iwayama, H. & Katoh, M., 2021/12/01, In: Nature Communications. 12, 1, 3782.

Research output: Contribution to journal › Letter › peer-review

Open Access

7 Scopus citations

Super-Coster-Kronig decay of Kr 3p core-hole states studied by multielectron coincidence spectroscopy

Hikosaka, Y., Lablanquie, P., Kaneyasu, T., Adachi, J., Tanaka, H., Suzuki, I. H., Ishikawa, M. & Odagiri, T., 2021/04, In: Physical Review A. 103, 4, 043119.

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Time-resolved shot-by-shot photoelectron spectroscopy of autoionizing states by EUV-free-electron-laser and near-IR laser pulses

Fushitani, M., Kawabe, Y., Fujise, H., Yamada, M., Hasegawa, H., Owada, S., Togashi, T., Nakajima, K., Yabashi, M., Matsuda, A., Hikosaka, Y. & Hishikawa, A., 2021/08, In: Physical Review A. 104, 2, 023102.

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

磁気ボトル型電子分析器を用いた高効率な多電子-イオン同時計測

彦坂泰正, 2021.

Research output: Contribution to conference › Presentation

電子-イオンコインシデンス計測によるKr原子の極紫外非線形内殻イオン化過程の観測

伏谷瑞穂, 小泉舜矢, 田口直人, 山田誠, 藤瀬光香, 大和田成起, 富樫格, 中嶋享, 矢橋牧名, 松田晃孝, 彦坂泰正 & 菱川明栄, 2021.

Research output: Contribution to conference › Presentation

2020

Advanced Computation Method for Double Core Hole Spectra: Insight into the Nature of Intense Shake-up Satellites

Ferté, A., Palaudoux, J., Penent, F., Iwayama, H., Shigemasa, E., Hikosaka, Y., Soejima, K., Ito, K., Lablanquie, P., Taïeb, R. & Carniato, S., 2020/06/04, In: Journal of Physical Chemistry Letters. 11, 11, p. 4359-4366 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

12 Scopus citations

Cascade and direct processes in multiple Auger decay of core-excited states of N₂

Odagiri, T., Taniguchi, T., Kaneyasu, T., Tanaka, H., Adachi, J., Lablanquie, P. & Hikosaka, Y., 2020/06/11, In: Journal of Physics: Conference Series. 1412, 14, 142004.

Research output: Contribution to journal › Conference article › peer-review

Open Access

Characterization of soft X-ray FEL pulse duration with two-color photoelectron spectroscopy

Owada, S., Fushitani, M., Matsuda, A., Fujise, H., Sasaki, Y., Hikosaka, Y., Hishikawac, A. & Yabashib, M., 2020/09/01, In: Journal of Synchrotron Radiation. 27, p. 1362-1365 4 p.

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Core-hole spectator Auger decay

Jänkälä, K., Lablanquie, P., Andric, L., Khalal, M. A., Palaudoux, J., Penent, F., Bizau, J. M., Cubaynes, D., Guilbaud, S., Ito, K., Bučar, K., Žitnik, M., Huttula, M., Kaneyasu, T. & Hikosaka, Y., 2020/02, In: Physical Review A. 101, 2, 023413.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Scopus citations

Development of pulse selectors for the synchrotron radiation pulses from the Photon Factory 2.5 GeV ring to study multiple photoionization

Adachi, J., Tanaka, H., Kosuge, T., Ishii, H., Suzuki, I. H., Kaneyasu, T., Taniguchi, T., Odagiri, T., Ohtaki, S., Tsuji, Y., Soejima, K., Lablanquie, P. & Hikosaka, Y., 2020/06/11, In: Journal of Physics: Conference Series. 1412, 15, 152092.

Research output: Contribution to journal › Conference article › peer-review

Open Access

4 Scopus citations

Multielectron-Ion Coincidence Spectroscopy of Xe in Extreme Ultraviolet Laser Fields: Nonlinear Multiple Ionization via Double Core-Hole States

Fushitani, M., Sasaki, Y., Matsuda, A., Fujise, H., Kawabe, Y., Hashigaya, K., Owada, S., Togashi, T., Nakajima, K., Yabashi, M., Hikosaka, Y. & Hishikawa, A., 2020/05/15, In: Physical Review Letters. 124, 19, 193201.

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Multiple Auger decays of core-excited states in N₂

Odagiri, T., Taniguchi, T., Kaneyasu, T., Tanaka, H., Adachi, J. I., Lablanquie, P. & Hikosaka, Y., 2020/03/31, In: Journal of Chemical Physics. 152, 12, 124301.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Scopus citations

Polarization control in a crossed undulator without a monochromator

Kaneyasu, T., Hikosaka, Y., Fujimoto, M., Iwayama, H. & Katoh, M., 2020/08, In: New Journal of Physics. 22, 8, 083062.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Scopus citations

Single photon simultaneous K-shell ionization/excitation in C₆H₆: experiment and theory

Carniato, S., Selles, P., Ferté, A., Berrah, N., Wuosmaa, A. H., Nakano, M., Hikosaka, Y., Ito, K., Žitnik, M., Bucar, K., Soejima, K., Jnk, K., Cubaynes, D., Bizau, J. M., Andric, L., Khalal, M. A., Palaudoux, J., Lablanquie, P. & Penent, F., 2020/12/28, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 53, 24, 244010.

Research output: Contribution to journal › Article › peer-review

Open Access