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Tamura, Itaru
Hamon, 28(4), p.204 - 207, 2018/11
A Neutron guide is one of the devices to transport neutron beam for long distance without sacrificing much neutrons; therefore, it can supply neutrons to many experimental instruments distributed in a large experimental hall. Also, by using a curved guide, only the neutrons in a required energy range can be transported, and 
rays and fast neutrons can be effectively eliminated, therefore the signal to background ratio is improved. In addition, a neutron beam can be branched by applying curved guides. Neutron guides are also used to control the divergence angle and intensity of the neutron beam supplied to the neutron instrument.
-wave superconducting state of Sr
RuO
; A Microscopic determination of the gap structureNomura, Takuji
Journal of the Physical Society of Japan, 74(6), p.1818 - 1829, 2005/06
Times Cited Count：26 Percentile：73.50(Physics, Multidisciplinary)We provide a detailed quantitative analysis of transport properties in the -wave superconducting state of SrRuO. Specifically, we calculate ultrasound attenuation rate and electronic thermal conductivity within the mean field approximation. The momentum dependence of the gap function is determined by solving the Eliashberg equation for a three-band Hubbard model with the realistic electronic structure of SrRuO. Consequently, we obtain the temperature dependence of the transport coefficients in agreement with the experimental results.
Sukegawa, Takenori; Hatakeyama, Mutsuo; Yanagihara, Satoshi
JAERI-Tech 2001-058, 81 Pages, 2001/09
JAERI-Tech-2001-058.pdf:5.98MB
In general, neutron transport and activation calculation codes are used for residual radioactive inventory estimation; however, it is essential to verify calculations by measurement results because of geometrical complexity of the reactor and so on. The comparison between measured and calculated radioactivity in the JPDR core components showed a relatively good agreement (factor of 2), and it was cleared that water content and weight ratio of steel bars to concrete materials significantly influenced the neutron flux distribution in the biological shield (factor of 2-10 error). The measured radioactivity inside of the reactor pressure vessel wall and at the inner part of the biological shield was compared in detail with the calculations to verify the methodology applied to calculations of radioisotope production. Then it was found that the radioactive inventory could be estimated accurately with combination of calculations and measurement of radioactivity in samples and dose rate distribution for planning of dismantling activities.
Ishijima, Tatsuo
JAERI-Research 2000-015, p.94 - 0, 2000/03
JAERI-Research-2000-015.pdf:3.4MB
no abstracts in English
JAERI-Data/Code 98-009, 136 Pages, 1998/03
JAERI-Data-Code-98-009.pdf:5.04MB
no abstracts in English
discharges in JT-60UKoide, Yoshihiko; Mori, Masahiro; Fujita, Takaaki; Shirai, Hiroshi; Hatae, Takaki; Takizuka, Tomonori; Kimura, Haruyuki; Oikawa, Toshihiro; Isei, Nobuaki; Isayama, Akihiko; et al.
Plasma Physics and Controlled Fusion, 40(5), p.641 - 645, 1998/00
Times Cited Count：25 Percentile：61.65(Physics, Fluids & Plasmas)no abstracts in English
E.Choi*; Akino, Norio
Proc. of 11th Int. Heat Transfer Conf. (Heat Transfer 1998), 7, p.121 - 126, 1998/00
no abstracts in English
JAERI-M 91-061, 119 Pages, 1991/04
no abstracts in English
Hirayama, Toshio; Kikuchi, Mitsuru; Shirai, Hiroshi; Shimizu, Katsuhiro; Yagi, Masatoshi; Koide, Yoshihiko; Ishida, Shinichi; Azumi, Masafumi
JAERI-M 91-026, 28 Pages, 1991/03
no abstracts in English
; ;
JAERI-M 87-010, 28 Pages, 1987/02
no abstracts in English
; ; ; ; ;
JAERI 1285, 242 Pages, 1983/01
no abstracts in English
; ;
JAERI-M 82-147, 25 Pages, 1982/11
no abstracts in English
;
Journal of the Physical Society of Japan, 49(5), p.1916 - 1919, 1980/00
Times Cited Count：6 Percentile：51.98(Physics, Multidisciplinary)no abstracts in English
Shindo, Masami; ; Kondo, Tatsuo
Proc.of 2nd Japan-US HTGR Safety Technology Seminar,Material Properties and Design Method Session, 11 Pages, 1978/00
no abstracts in English
;
JAERI-M 5991, 148 Pages, 1975/02
no abstracts in English
