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Journal Articles

Activity review of Working Group on Accidents Relating X-ray Equipment, Japan Health Physics Society

Igarashi, Yu; Yamaguchi, Ichiro*; Oda, Keiji*; Fukushi, Masahiro*; Sakama, Minoru*; Iimoto, Takeshi*

Nihon Hoshasen Anzen Kanri Gakkai-Shi, 21(2), p.74 - 76, 2022/11

no abstracts in English

Journal Articles

Excitation and ionization of excited helium atoms in collisions with bare ions

; Shirai, Toshizo

Phys. Scr., T62, p.95 - 104, 1996/00

 Times Cited Count:3 Percentile:38.69(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Ionization of excited hydrogenlike ions by collisions with bare ions

; Shirai, Toshizo

Physical Review A, 51(6), p.4699 - 4703, 1995/06

 Times Cited Count:14 Percentile:63.92(Optics)

no abstracts in English

Journal Articles

Muon transfer and elastic acattering in t+d$$mu$$ collisions at low energies

; ; Shirai, Toshizo

Physical Review A, 50(6), p.4951 - 4955, 1994/12

 Times Cited Count:32 Percentile:82.74(Optics)

no abstracts in English

Journal Articles

Ionization of excited hydrogen atoms by collisions with bare ions

; Shirai, Toshizo

Physical Review A, 50(6), p.4945 - 4950, 1994/12

 Times Cited Count:12 Percentile:60.77(Optics)

no abstracts in English

Journal Articles

Hyperspherical coupled-channel calculation for antihydrogen formation in antiproton-positronium collisions

; ; Shirai, Toshizo

Journal of Physics B; Atomic, Molecular and Optical Physics, 27, p.L497 - L501, 1994/00

 Times Cited Count:35 Percentile:92.73(Optics)

no abstracts in English

Oral presentation

Radiation from human deciduous teeth formed after the Fukushima Daiichi Nuclear Power Plant accident

Takahashi, Atsushi*; Chiba, Mirei*; Suzuki, Toshihiko*; Kino, Yasushi*; Koarai, Kazuma; Oka, Toshitaka; Nakamura, Fumihiko*; Igarashi, Minoru*; Umino, Makoto*; Osaka, Ken*; et al.

no journal, , 

We have collected more than 7,000 deciduous teeth that spontaneously drop out in the process of being replaced by permanent teeth for more than 10 years after the Fukushima Daiichi Nuclear Power Plant accident from all over Japan, mainly from Fukushima Prefecture, and have investigated whether the amount of radioactive materials in dentition formed after the nuclear accident is increased compared to teeth formed before the accident, using Imaging plates have been used to investigate whether the amount of radioactive materials in the dentition formed after the nuclear accident increased compared to teeth formed before the accident. Comparison of teeth formed before and after the accident suggested that even if radionuclides were taken into the body after the accident, they did not significantly increase the amount of radionuclides in the teeth.

Oral presentation

Archival activities for the technical information on the accident of Fukushima Daiichi Nuclear Power Stations and the suggestion to the information management on radioactive waste management

Igarashi, Hiroshi; Ikeda, Kiyoshi; Yonezawa, Minoru; Nakajima, Hidemitsu

no journal, , 

Since the nuclear accident of Fukushima Daiichi Nuclear Power Stations (Fukushima nuclear accident) which occurred in the Great East Japan Earthquake on March 11th 2011, a great deal of information on the accident and the response has been disseminated from the government, utilities and related research institutes. To put the information into good account in the radiation control in the affected area, decommissioning the reactors, environmental remediation, recurrence prevention, etc., the appropriate conservation and succession of the information which is referred to as archives hereinafter, is important. The activities of archives on the information and knowledge are essential as assets to be shared and utilized not only domestically but also internationally. On the other hand, the conservation of the information on radioactive waste management until final disposal has been also considered to be important. In this presentation, the archival activities on the Fukushima nuclear accident are reported with a focus on the Fukushima Archive system developed by the JAEA. On the basis of the archival activities investigated, lessons learned are discussed toward the information management on radioactive waste management.

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