Takumi Yomogida, Tadashi Hashimoto, Takuma Okumura, Shinya Yamada, Hideyuki Tatsuno, Hirofumi Noda, Ryota Hayakawa, Sayuri Takatori, Shinji Okada, Tadaaki Isobe, et al. Application of transition-edge sensor for micro-X-ray fluorescence measurements and micro-X-ray absorption near edge structure spectroscopy: a case study of uranium speciation in biotite obtained from uranium mine. The Analyst. 2024. 149. 10. 2932-2941
M. Kitajima, A. Kondo, N. Kobayashi, T. Ejiri, T. Okumura, K. Shigemura, K. Hosaka, T. Odagiri, M. Hoshino. High-resolution and high-precision measurements of total cross section for electron scattering from CO$$_2. The European Physical Journal D. 2023. 77. 11. 198
T. Okumura, T. Azuma, D. A. Bennett, I. Chiu, W. B. Doriese, M. S. Durkin, J. W. Fowler, J. D. Gard, T. Hashimoto, R. Hayakawa, et al. Proof-of-Principle Experiment for Testing Strong-Field Quantum Electrodynamics with Exotic Atoms: High Precision X-Ray Spectroscopy of Muonic Neon. Physical Review Letters. 2023. 130. 17. 173001
Wenshuai Li, Shinya Yamada, Tadashi Hashimoto, Takuma Okumura, Ryota Hayakawa, Kiyofumi Nitta, Oki Sekizawa, Hiroki Suga, Tomoya Uruga, Yuto Ichinohe, et al. High-sensitive XANES analysis at Ce L2-edge for Ce in bauxites using transition-edge sensors: Implications for Ti-rich geological samples. Analytica Chimica Acta. 2023. 1240. 340755-340755
X. M. Tong, D. Kato, T. Okumura, S. Okada, T. Azuma. Electronic K x rays emitted from muonic atoms: An application of relativistic density-functional theory. Physical Review A. 2023. 107. 1. 012804
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X-ray spectroscopy of highly charged muonic atoms with transition-edge sensor microcalorimeters
(The 21th International Conference on the Physics of Highly Charged Ions 2024)
High-resolution spectroscopy of electronic K x rays from muonic atoms using transition-edge sensor microcalorimeters
(The 33rd International Conference on Photonic, Electronic and Atomic Collisions)
2016/06 - 32nd Symposium on Chemical Kinetics and Dynamics Best Poster Prize A new type of the electron monochromator considering the space charge effects for electron-molecule collision experiment