2020 - 2024 Mechanism and structural elucidation of an extractant for minor actinide partitioning
2016 - 2019 The measurement of photoelectron spectra of liquid aerosol
2009 - 2010 プロトン運動量分光法による分子の内殻励起状態の研究
2006 - 2009 Reaction dynamics of transition metal atoms
2007 - 2008 Atomic and molecular inner-shell photo-excitation studied using a photo-ion : lifetime-resolved fluorescence coincidence technique.
2003 - 2005 Study on Multielectron Effect Near Molecular Inner-Shell Photoionization Thresholds
2001 - 2002 画像観測法および放射光を利用した新しい質量分析器の開発
2000 - 2002 Studies on relaxation processes of core-excited molecules followed by deformation
1997 - 1998 二次元画像コインシデンス測定装置の開発
オゾンの光解離に関する研究
分子の光解離ダイナミクスに関する研究
Study on Photodissociation of Ozone
Study on Photodissociation dynamics of molecules
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Papers (75)：
Weronika O. Razmus, Felix Allum, James Harries, Yoshiaki Kumagai, Kiyonobu Nagaya, Surjendu Bhattacharyya, Mathew Britton, Mark Brouard, Philip H. Bucksbaum, Kieran Cheung, et al. Exploring the ultrafast and isomer-dependent photodissociation of iodothiophenes via site-selective ionization. Physical Chemistry Chemical Physics. 2024. 26. 16. 12725-12737
Tatsuo Gejo, Yuka Tanaka, Takuya Sakano, Satoshi Takeuchi, Osamu Takahashi, Hitoshi Osawa, Kunihisa Sugimoto, Kenji Tamasaku, Masaki Oura. Investigation of Multi-ionization Processes of Kr and Xe Using Short-pulse X-rays and Time-of-flight Apparatus. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS. 2023. 56. 6
N. Boudjemia, K. Jänkälä, T. Gejo, Y. Kohmura, M. Huttula, M. N. Piancastelli, M. Simon, M. Oura, R. Püttner. Experimental and theoretical study of the Kr L-shell Auger decay. Physical Review A. 2021. 104. 1
Tatsuo Gejo, Tatsuru Nishie, Takahiro Nagayasu, Kenta Tanaka, Yoshihito Tanaka, Akinobu Niozu, Kiyonobu Nagaya, Ryosuke Yamamura, Nozomi Futamata, Taiga Suenaga, Osamu Takahashi, Tadashi Togashi, Shigeki Owada, Hikaru Fujise, Adriano Verna, Makina Yabashi and M Oura. Dissociation and ionization dynamics of CF3I and CH3I molecules via pump-and-probe experiments using soft x-ray free-electron laser. J. Phys. B: At. Mol. Opt. Phys. 2021. 54. 144004
Shigemasa Eij, Iwayama Hiroshi, Harries James R., Gejo Tatsuo, Inubushi Yuichi, Inoue Ichiro, Tamasaku Kenji. Observation of XFEL Induced Phenomena Using Fluorescence Spectroscopy and Its Application. SPring-8/SACLA Research Report. 2016. 4. 2. 340-343
HARRIES James, SULLIVAN James. 22pZF-11 O1s excitation of water vapour : metastable fragments and lifetime-resolved fluorescence. Meeting abstracts of the Physical Society of Japan. 2008. 63. 2. 148-148
Gejo T. ZEKE Spectroscopic Technique for Probing Multielectron Processes in Molecules(Molecular Reaction Dynamics). Annual review, Graduate School of Material Science and Graduate School of Life Science, University of Hyogo. 2005. 16. 89
Gejo T., Honma K. Dynamics of Photo-induced lonization Reactions(Molecular Reaction Dynamics). Annual review, Graduate School of Material Science and Graduate School of Life Science, University of Hyogo. 2005. 16. 89-89
繁政 英治, 下條 竜夫. 研究会報告 第6回UVSORワークショップ. 放射光 : 日本放射光学会誌 = Journal of the Japanese Society for Synchrotron Radiation Research / 日本放射光学会 編. 2000. 13. 3. 258-260
Investigation of Multi-ionization Processes of Kr Using pulse X-rays and Time-of-flight Apparatus
(38th Symposium on Chemical Kinetics and Dynamics 2023)
