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CoSiYamauchi, Hiroki; Sari, D. P.*; Yasui, Yukio*; Sakakura, Terutoshi*; Kimura, Hiroyuki*; Nakao, Akiko*; Ohara, Takashi; Honda, Takashi*; Kodama, Katsuaki; Igawa, Naoki; et al.
Physical Review Research (Internet), 6(1), p.013144_1 - 013144_9, 2024/02
Nakamura, Mitsutaka; Ikeuchi, Kazuhiko*; Kajimoto, Ryoichi; Kambara, Wataru; Krist, T.*; Shinohara, Takenao; Arai, Masatoshi; Iida, Kazuki*; Kamazawa, Kazuya*; Inamura, Yasuhiro; et al.
JAEA-Conf 2015-002, p.339 - 348, 2016/02
We have developed a new Fermi chopper referred to as Magic chopper to realize the full optimization of the experimental condition for Multi-Ei method in a chopper spectrometer. In this study, the theoretical aspects of MAGIC chopper concept will be initially presented, and the performances of MAGIC chopper will be evaluated by both Monte Carlo simulation and neutron transmission experiment.
Fischer, U.*; Iida, Hiromasa; Li, Y.*; Loughlin, M.*; Sato, Satoshi; Serikov, A.*; Tsige-Tamirat, H.*; Tautges, T.*; Wilson, P. P.*; Wu, Y.*
Fusion Science and Technology, 56(2), p.702 - 709, 2009/08
Times Cited Count：13 Percentile：64.65(Nuclear Science & Technology)Several approaches have been recently developed to make available CAD geometry data for Monte Carlo calculations with the MCNP code. Among these are conversion tools for the automatic generation of geometry models in MCNP representation such as MCAM of China, McCad of Germany, and GEOMIT of JAEA, as well as the direct DAG-MCNPX approach developed by USA. An extensive benchmark exercise has been conducted on ITER between 2005 and 2007 with the objective to test and validate the different approaches and thereby check the maturity level for ITER design applications. The exercise encompassed the generation of a dedicated neutronics CATIA model based on available engineering CAD design data, the conversion into MCNP geometry, the verification of the converted models, and a number of calculations to compare the different approaches with regard to the performance and the validity of the results obtained. The paper briefly reviews the different approaches and provides a detailed description of the ITER benchmark effort, its results and conclusions. As a key issue, the recommendations are discussed that need to be followed when generating a neutronics CAD model for ITER design calculations. This is considered essential since the ITER quality assurance requirements will request the consistency of the analysis models and the underlying engineering CAD models.
CO
and their fluxes from surface environment with a development of a simultaneous sampling system for the speciation of atmospheric H-3 and C-14Amano, Hikaru; Koarashi, Jun*; Koma, T.*; Atarashi-Andoh, Mariko; Iida, Takao*
JAERI-Conf 2003-010, p.221 - 225, 2003/09
Concerning atmospherically released tritium (T) and C-14 we have developed a new method, which can analyze their fluxes and the deposition velocities. Firstly, a simultaneous sampling system for the speciation of atmospheric tritium and C-14 has been developed. This system determines varieties of chemical forms of tritium and C-14, namely tritiated water (HTO), elemental tritium gas (HT) and tritiated methane (CH
T) for tritium, CO and 14C H4 for C-14, respectively. Secondly, a new method was developed to determine HT and CO deposition velocities. This method can determine their fluxes and the deposition velocities without any tritium and C-14 sources.
C, and its application to surface and soil airAmano, Hikaru; Koma, T.*; Atarashi-Andoh, Mariko; Koarashi, Jun; Iida, Takao*
Journal of Radioanalytical and Nuclear Chemistry, 252(2), p.353 - 357, 2002/00
Times Cited Count：6 Percentile：39.48(Chemistry, Analytical)no abstracts in English
Koarashi, Jun; Amano, Hikaru; Atarashi-Andoh, Mariko; Iida, Takao*; Koma, T.*
Radiation Protection Dosimetry, 93(3), p.237 - 243, 2001/00
Times Cited Count：8 Percentile：52.3(Environmental Sciences)no abstracts in English
O-BO melts and glassesUmesaki, Norimasa*; Kita, Y.*; Iida, T.*; Handa, K.*; Kohara, Shinji*; Suzuya, Kentaro; Fukunaga, Toshiharu*; Misawa, Masakatsu*
Physics and Chemistry of Glasses, 41(5), p.304 - 308, 2000/10
no abstracts in English
Iida, Hiromasa; Valenza, D.*; Plenteda, R.*; Santoro, R. T.*; Dietz, J.*
Journal of Nuclear Science and Technology, 37(Suppl.1), p.235 - 242, 2000/03
no abstracts in English
/activation and 3-D Monte Carlo analysesSato, Satoshi; Iida, Hiromasa; Plenteda, R.*; Valenza, D.*; Santoro, R. T.*
Fusion Engineering and Design, 47(4), p.425 - 435, 2000/01
Times Cited Count：9 Percentile：54.09(Nuclear Science & Technology)no abstracts in English
Rn in unsaturated soilKoarashi, Jun; Amano, Hikaru; Iida, T.*; Yamazawa, Hiromi; Nagai, Haruyasu
Proceedings of 10th International Congress of the International Radiation Protection Association (IRPA-10) (CD-ROM), 9 Pages, 2000/00
no abstracts in English
O-BO glasses and meltsUmesaki, Norimasa*; Kita, Y.*; Handa, K.*; Kohara, Shinji*; Suzuya, Kentaro; Fukunaga, T.*; Misawa, M.*; Iida, T.*
Denki Kagaku Oyobi Kogyo Butsuri Kagaku, 67(6), p.541 - 546, 1999/00
no abstracts in English
Sato, Satoshi; Iida, Hiromasa; R.Pleuteda*; Santoro, R. T.*
Fusion Engineering and Design, 46(1), p.1 - 9, 1999/00
Times Cited Count：6 Percentile：45.48(Nuclear Science & Technology)no abstracts in English
O-BO (M: Na and K) glasses and melts by neutron diffractionHanda, K.*; Kita, Y.*; Kohara, Shinji*; Suzuya, Kentaro; Fukunaga, Toshiharu*; Misawa, Masakatsu*; Iida, T.*; *; Umesaki, Norimasa*
Journal of Physics and Chemistry of Solids, 60(8-9), p.1465 - 1471, 1999/00
Times Cited Count：16 Percentile：64.77(Chemistry, Multidisciplinary)no abstracts in English
Sato, Satoshi; Takatsu, Hideyuki; Seki, Yasushi; *; *; Iida, Hiromasa; Plenteda, R.*; Santoro, R. T.*; Valenza, D.*; Ohara, Yoshihiro; et al.
Fusion Technology, 34(3), p.1002 - 1007, 1998/11
no abstracts in English
Inoue, Takashi; Shibata, Keiichiro*; E.DiPietro*; Fujiwara, Yukio; R.S.Hemsworth*; E.Hodgson*; Iida, Hiromasa; A.Krylov*; P.L.Mondino*; Okumura, Yoshikazu; et al.
Fusion Technology 1998, 1, p.411 - 414, 1998/00
no abstracts in English
-rays from 
N in the ITER water cooling system of shielding blanketIida, Hiromasa; R.Pletenda*; Santoro, R. T.*; V.Khripunov*
Proceedings of 17th IEEE/NPSS Symposium Fusion Engineering (SOFE'97), 2, p.837 - 840, 1998/00
no abstracts in English
*; Iida, Hiromasa; *; Adachi, Junichi*; ; Ebisawa, Katsuyuki*; *; Fukaya, Kiyoshi; *; *; et al.
JAERI-M 87-219, 336 Pages, 1988/01
no abstracts in English
