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Journal Articles

Angle-resolved photoemission analysis of electronic structures for thermoelectric properties of off-stoichiometric Fe$$_{2-x}$$V$$_{1+x}$$Al alloys

Soda, Kazuo*; Harada, Shota*; Hayashi, Toshimitsu*; Kato, Masahiko*; Ishikawa, Fumihiro*; Yamada, Yu*; Fujimori, Shinichi; Saito, Yuji

Materials Transactions, 57(7), p.1040 - 1044, 2016/06

 Times Cited Count:2 Percentile:16.67(Materials Science, Multidisciplinary)

Journal Articles

Evaluation of dose level in a laser-driven ion accelerator using PHITS code

Sakaki, Hironao; Fukuda, Yuji; Nishiuchi, Mamiko; Jinno, Satoshi; Kanasaki, Masato; Yogo, Akifumi; Kondo, Kiminori; Saito, Fumihiro; Fukami, Tomoyo; Ueno, Masayuki; et al.

Progress in Nuclear Science and Technology (Internet), 4, p.182 - 185, 2014/04

The concept of a compact ion particle accelerator has become attractive in view of recent progress in laser-driven ions acceleration. In the development of many applications of laser-accelerated ions, it is necessary for securing the radiation safety to calculate the dose evaluation. The dose was measured with the radio-photoluminescent (RPL) glass dosimeter on the test beamline of at laser-driven accelerator. The Monte Carlo code, PHITS (Particle and Heavy Ion Transport code system) simulation is shown to be reasonably predictive at the test beamline for measured with the RPL glass dosimeter. We compare of the measured dose level on the laser-driven accelerator with the result of PHITS code in this report.

Journal Articles

An Imaging plate technique for evaluating energy attenuation in evaporated samples with different surface conditions

Saito, Fumihiro; Koarashi, Jun; Kurihara, Osamu; Kim, E.*

Radiation Protection Dosimetry, 139(4), p.584 - 589, 2010/06

 Times Cited Count:2 Percentile:19.27(Environmental Sciences)

Journal Articles

Calculation of radiation shielding for laser-driven hadron beams therapeutic instrument

Sakaki, Hironao; Nishiuchi, Mamiko; Yogo, Akifumi; Bolton, P.; Hori, Toshihiko; Kondo, Kiminori; Saito, Fumihiro; Ueno, Masayuki; Takahashi, Hiroki; Iwase, Hiroshi*; et al.

Proceedings of 1st International Particle Accelerator Conference (IPAC '10) (Internet), p.94 - 96, 2010/05

The concept of a compact ion particle accelerator has become attractive in view of recent progress in laser-driven hadrons acceleration. The Photo Medical Research Centre (PMRC) of JAEA was established to address the challenge of laser-driven ion accelerator development for hadrons therapeutic. In the development of the instrument, it is necessary to do the bench-mark of the amount of the different types of radiation by the simulation code for shielding. The Monte Carlo Particle and Heavy Ion Transport code (PHITS) was used for bench-mark the dose on laser-shot radiations of short duration. The code predicts reasonably well the observed total dose as measured with a glass dosimeter in the laser-driven radiations.

Journal Articles

A New digital autoradiographical method for identification of Pu particles using an imaging plate

Koarashi, Jun; Saito, Fumihiro; Akiyama, Kiyomitsu; Rahman, N. M.*; Iida, Takao*

Applied Radiation and Isotopes, 65(4), p.413 - 418, 2007/04

 Times Cited Count:23 Percentile:83.86(Chemistry, Inorganic & Nuclear)

no abstracts in English

Journal Articles

Evaluation of aerosol sizing characteristic of an impactor using imaging plate technique

Rahman, N. M.*; Iida, Takao*; Saito, Fumihiro; Koarashi, Jun; Yamasaki, Keizo*; Yamazawa, Hiromi*; Moriizumi, Jun*

Radiation Protection Dosimetry, 123(2), p.171 - 181, 2007/02

 Times Cited Count:11 Percentile:63.76(Environmental Sciences)

no abstracts in English

Oral presentation

Personnel exposure in fast critical assembly(FCA)

Tanaka, Yasuto; Akino, Hitoshi; Yoshitomi, Hiroshi; Saito, Fumihiro; Hangai, Hideki; Onodera, Junichi

no journal, , 

no abstracts in English

Oral presentation

Detection of alpha-emitting radionuclides using an imaging plate and its applications

Koarashi, Jun; Saito, Fumihiro; Akiyama, Kiyomitsu; Iida, Takao*; Rahman, N. M.*

no journal, , 

no abstracts in English

Oral presentation

Development of a new digital autoradiographical method for identification of Pu particles

Koarashi, Jun; Saito, Fumihiro; Akiyama, Kiyomitsu; Rahman, N. M.*; Iida, Takao*

no journal, , 

no abstracts in English

Oral presentation

Radiation safety at J-PARC

Nakashima, Hiroshi; Shibata, Tokushi; Sawahata, Kei; Miyamoto, Yukihiro; Nakane, Yoshihiro; Masukawa, Fumihiro; Seki, Kazunari; Sato, Koichi; Oguri, Tomomi*; Hirayama, Hideo*; et al.

no journal, , 

Aiming at studies on the latest basic science and the advancing nuclear technology, the J-PARC (Japan Proton Accelerator Research Complex) project is in progress, and the high-energy proton accelerator complex of the world highest intensity is under construction. Because of its very high beam power and its energy as well as the large-scale accelerator complex, we have encountered some difficult radiation problems in the radiation safety design. This paper reviews the radiation safety policy and methods for the design to overcome the problems on the radiation safety and the status of the radiation safety estimation for licensing of J-PARC.

Oral presentation

Emission rates of $$alpha$$ particles from supports with different surface conditions in direct deposition sources

Kurihara, Osamu; Koarashi, Jun; Saito, Fumihiro; Kim, E.*

no journal, , 

The present study demonstrates that surface conditions of the support would affect $$alpha$$-particle emission rates of direct evaporation sources. It was suggested that the support with rough surface possibly caused energy attenuation of $$alpha$$ particles emitted by the nuclides being trapped in valleys on the surface and occasionally some decrease of emission rates.

Oral presentation

A Study on rapid and simple dose estimation method in case of radiation accident at proton accelerator facility

Saito, Fumihiro; Masukawa, Fumihiro; Seki, Kazunari; Kasugai, Yoshimi; Miyamoto, Yukihiro

no journal, , 

no abstracts in English

Oral presentation

Radiation Safety training video in English for J-PARC Users

Kato, Saori; Kasugai, Yoshimi; Saito, Fumihiro; Masukawa, Fumihiro; Numajiri, Masaharu*; Nakamura, Hajime*; Yamazaki, Hirohito*; Saito, Kiwamu*; Fujiwara, Kazuya*

no journal, , 

no abstracts in English

13 (Records 1-13 displayed on this page)
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