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Journal Articles

Laser-driven neutron generation realizing single-shot resonance spectroscopy

Yogo, Akifumi*; Lan, Z.*; Arikawa, Yasunobu*; Abe, Yuki*; Mirfayzi, S. R.*; Wei, T.*; Mori, Takato*; Golovin, D.*; Hayakawa, Takehito*; Iwata, Natsumi*; et al.

Physical Review X, 13(1), p.011011_1 - 011011_12, 2023/01

 Times Cited Count:3 Percentile:88.42(Physics, Multidisciplinary)

Journal Articles

Analysis of two forms of radioactive particles emitted during the early stages of the Fukushima Dai-ichi Nuclear Power Station accident

Satou, Yukihiko; Sueki, Keisuke*; Sasa, Kimikazu*; Yoshikawa, Hideki; Nakama, Shigeo; Minowa, Haruka*; Abe, Yoshinari*; Nakai, Izumi*; Ono, Takahiro*; Adachi, Koji*; et al.

Geochemical Journal, 52(2), p.137 - 143, 2018/00

 Times Cited Count:68 Percentile:97.15(Geochemistry & Geophysics)

Journal Articles

Investigation of the chemical characteristics of individual radioactive microparticles emitted from reactor 1 by the Fukushima Daiichi Nuclear Power Plant accident by using multiple synchrotron radiation X-ray analyses

Ono, Takahiro*; Iizawa, Yushin*; Abe, Yoshinari*; Nakai, Izumi*; Terada, Yasuko*; Satou, Yukihiko; Sueki, Keisuke*; Adachi, Koji*; Igarashi, Yasuhito*

Bunseki Kagaku, 66(4), p.251 - 261, 2017/04

 Times Cited Count:32 Percentile:79.03(Chemistry, Analytical)

no abstracts in English

Journal Articles

A New measurement of the astrophysical $$^8$$Li($$alpha$$, n)$$^{11}$$B reaction

Ishiyama, Hironobu*; Hashimoto, Takashi; Ishikawa, Tomoko*; Watanabe, Yutaka*; Das, S. K.*; Miyatake, Hiroari; Mizoi, Yutaka*; Fukuda, Tomokazu*; Tanaka, Masahiko*; Fuchi, Yoshihide*; et al.

Physics Letters B, 640(3), p.82 - 85, 2006/09

 Times Cited Count:33 Percentile:84.97(Astronomy & Astrophysics)

The excitation function of the $$^{8}$$Li($$alpha$$,n)$$^{11}$$B reaction was measured while identifying the final state event by event in the region of E$$_{rm{cm}}$$ = 0.7 - 2.6 MeV using a highly efficient detector system and a low-energy $$^8$$Li beam. The results are much improved both in statistics and precisions, and show smaller cross sections than those of previous measurements by a factor of more than 2 in the low-energy region of E$$_{rm{cm}}le$$ 1.5 MeV. A resonance-like structure is found at around E$$_{rm{cm}}$$ = 0.85 MeV.

Journal Articles

A New measurement of the $$^8$$Li($$alpha$$,n)$$^{11}$$B reaction for astrophysical interest

Das, S. K.*; Fukuda, Tomokazu*; Mizoi, Yutaka*; Ishiyama, Hironobu*; Miyatake, Hiroari*; Watanabe, Yutaka*; Hirayama, Yoshikazu*; Tanaka, Masahiko*; Yoshikawa, Nobuharu*; Jeong, S.-C.*; et al.

AIP Conference Proceedings 847, p.374 - 376, 2006/07

no abstracts in English

Oral presentation

Proposal and evaluation of decommissioning support method of nuclear power plants using augmented reality

Ishii, Hirotake*; Shimoda, Hiroshi*; Bian, Z.*; Nakai, Toshinori*; Izumi, Masanori; Morishita, Yoshitsugu; Kanehira, Yoshiki*

no journal, , 

A support method of decommissioning work of nuclear power plants using Augmented Reality was proposed and a prototype system was developed. Then, using the prototype system, the proposed method was evaluated. Three workers used the prototype system along with a scenario which dismantles an ion tower, and then questionnaire and interview investigation was conducted. As the results, it was found that the proposed method that records the cutting parts on the CAD data using a stylus pen was easy and effective compared to the legacy recording method using paper documents, but a new tablet PC that has a larger screen with lighter weight is necessary in order to apply the proposed method to the real decommissioning work.

Oral presentation

Augmented reality applications for nuclear power plant maintenance work

Ishii, Hirotake*; Bian, Z.*; Sekiyama, Tomoki*; Nakai, Toshinori*; Shimoda, Hiroshi*; Izumi, Masanori; Morishita, Yoshitsugu

no journal, , 

Augmented Reality is one of the promising technologies that will be able to improve efficiency and safety of the nuclear power plant maintenance work. In order to apply the Augmented Reality to the maintenance work, various studies must be done, such as improvement of the tracking technology, improvement of the user interface and human centered evaluation of the Augmented Reality system. The authors have conducted several studies of these issues for almost 5 years. In this paper, a part of these studies are reported.

Oral presentation

A Feasibility study of decommissioning support method by augmented reality

Shimoda, Hiroshi*; Nakai, Toshinori*; Ishii, Hirotake*; Bian, Z.*; Izumi, Masanori; Morishita, Yoshitsugu

no journal, , 

A support method of decommissioning work of nuclear power plants using Augmented Reality was proposed and a prototype system was developed. Then, using the prototype system, the proposed method was evaluated. Three professionals used the prototype system along with a scenario which dismantles an ion tower,and then questionnaire and interview investigation was conducted. As the results, it was found that the proposed method that records the cutting parts on the CAD data using a stylus pen was easy and effective compared with the legacy recording method using paper instruction sheet, however a new tablet PC that has a larger screen with lighter weight is necessary in order to apply the proposed method to the real decommissioning work.

Oral presentation

Development of worksite visualization system for Fugen NPS, 3; Application for actual dismantlement works

Izumi, Masanori; Morishita, Yoshitsugu; Shimoda, Hiroshi*; Ishii, Hirotake*; Nakai, Toshinori*; Bian, Z.*

no journal, , 

A support method of decommissioning work of nuclear power plants using Augmented Reality was proposed and a prototype system was developed. Then, using the prototype system, the proposed method was evaluated. Three workers used the prototype system along with a scenario which dismantles an ion tower, and then questionnaire and interview investigation was conducted. As the results, it was found that the proposed method that records the cutting parts on the CAD data using a stylus pen was easy and effective compared to the legacy recording method using paper documents, but a new tablet PC that has a larger screen with lighter weight is necessary in order to apply the proposed method to the real decommissioning work.

Oral presentation

Application of nuclear photonics for nuclear non-proliferation and security

Koizumi, Mitsuo; Lee, J.; Ito, Fumiaki*; Takahashi, Tone; Suzuki, Satoshi*; Omer, M.*; Seya, Michio*; Hajima, Ryoichi; Shizuma, Toshiyuki; Yogo, Akifumi*; et al.

no journal, , 

Oral presentation

Developments of neutron resonance transmission analysis using a laser driven neutron source, 1; Applicability of laser driven neutron source for neutron resonance transmission analysis

Takahashi, Tone; Koizumi, Mitsuo; Ito, Fumiaki*; Lee, J.; Suzuki, Satoshi*; Hironaka, Kota; Yogo, Akifumi*; Arikawa, Yasunobu*; Abe, Yuki*; Nishimura, Hiroaki*; et al.

no journal, , 

Oral presentation

Pulsed neutron source and its applications realized by laser

Yogo, Akifumi*; Mirfayzi, S. R.*; Arikawa, Yasunobu*; Abe, Yuki*; Iwamoto, Akihumi*; Hayakawa, Takehito*; Koizumi, Mitsuo; Golovin, D.*; Mori, Takato*; Lan, Z.*; et al.

no journal, , 

no abstracts in English

Oral presentation

Neutron resonance absorption by laser-driven source; Toward "Single Shot" analysis

Yogo, Akifumi*; Lan, Z.*; Hayakawa, Takehito*; Arikawa, Yasunobu*; Abe, Yuki*; Mirfayzi, S. R.*; Koizumi, Mitsuo; Mori, Takato*; Wei, T.*; Fujioka, Shinsuke*; et al.

no journal, , 

no abstracts in English

Oral presentation

The Development of laser-driven epithermal neutron source for resonance spectral diagnostics, 2

Lan, Z.*; Yogo, Akifumi*; Mirfayzi, S. R.*; Koizumi, Mitsuo; Hayakawa, Takehito*; Arikawa, Yasunobu*; Abe, Yuki*; Golovin, D.*; Mori, Takato*; Wei, T.*; et al.

no journal, , 

Oral presentation

High-speed atomic thermometer using single shot of laser-driven neutron pulse

Lan, Z.*; Yogo, Akifumi*; Hayakawa, Takehito*; Wei, T.*; Kamiyama, Takashi*; Sato, Hirotaka*; Arikawa, Yasunobu*; Mirfayzi, R.*; Koizumi, Mitsuo; Abe, Yuki*; et al.

no journal, , 

Oral presentation

Workshop for development of measurement system applicable to neutron resonance transmission analysis technology using laser-driven neutron source

Koizumi, Mitsuo; Hironaka, Kota; Lee, J.; Yogo, Akifumi*; Arikawa, Yasunobu*; Abe, Yuki*; Nakai, Mitsuo*

no journal, , 

no abstracts in English

Oral presentation

Nuclear thermometer using single pulse of laser-driven neutron source

Lan, Z.*; Wei, T.*; Hayakawa, Takehito*; Kamiyama, Takashi*; Sato, Hirotaka*; Arikawa, Yasunobu*; Mirfayzi, S. R.*; Koizumi, Mitsuo; Abe, Yuki*; Morace, A.*; et al.

no journal, , 

Oral presentation

Nuclear thermometer using single pulse of laser-driven neutron source

Lan, Z.*; Hayakawa, Takehito*; Wei, T.*; Kamiyama, Takashi*; Sato, Hirotaka*; Arikawa, Yasunobu*; Mirfayzi, S. R.*; Koizumi, Mitsuo; Abe, Yuki*; Mori, Takato*; et al.

no journal, , 

18 (Records 1-18 displayed on this page)
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