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Journal Articles

Optical diagnostics

Kawano, Yasunori

Denki Gakkai Gijutsu Hokoku, Dai-1018-Go, p.25 - 29, 2005/05

Aims of "The Investigation Committee on Pulsed Power Generation and Application" are to investigate recent developments on generation and control of pulsed power, to clarify the technological issues, and to provide the future prospects of such research area. This paper is written as the "section 3.3 Optical Diagnostics" in the technical report of the committee. Here, "diagnostics of relativistic electron beam in a torus plasma by laser inverse Compton scattering" is reported. This method has been newly proposed by JAERI for active measurement of the energy distribution of runaway electrons in a tokamak plasma. The paper presents the basic properties of scattered photons estimated in the case of runaway electron beam observed in JT-60U (number of beam electrons=2e17 electrons, beam electron energy = 30 MeV). For instance, when we use the fundamental YAG laser with the energy of 10 J/pulse and pulse widths of 1 ns, maximum energy of scattered photons would be in the X-ray region, and the signal to noise ratio can be estimated as $$sim$$3. It is also mentioned that the development of the pulse X-ray imaging spectroscopy is required for this diagnostics method.

Journal Articles

A Bright prospect of low aspect ratio tokamaks toward a power reactor

Nishio, Satoshi

Denki Gakkai Purazuma Kenkyukai Shiryo (PST-03-37), p.1 - 6, 2003/10

no abstracts in English

Journal Articles

X-ray photoelectron spectroscopy study on change of chemical state of diamond window by ion implantation

Morimoto, Yasutomi*; Sasaki, Masayoshi*; Kimura, Hiromi*; Sakamoto, Keishi; Imai, Tsuyoshi; Okuno, Kenji*

Fusion Engineering and Design, 66-68, p.651 - 656, 2003/09

 Times Cited Count:3 Percentile:25.75(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Conceptual design of neutron shield for ECH launcher on D-T fusion reactors

Takahashi, Koji; Imai, Tsuyoshi; Mori, Kensuke*; Mori, Seiji*; Nomoto, Yasunobu*

JAERI-Research 2000-036, 26 Pages, 2000/09

JAERI-Research-2000-036.pdf:1.24MB

no abstracts in English

Journal Articles

Compact torus injection experiments on the H.I.T. test stand and the JFT-2M tokamak

Fukumoto, Naoyuki*; Fujiwara, Makoto*; Kuramoto, Keiji*; Ageishi, Masaya*; Nagata, Masayoshi*; Uyama, Tadao*; Ogawa, Hiroaki; Kasai, Satoshi; Hasegawa, Koichi; Shibata, Takatoshi

Proceedings of American Physical Society 39th Annual Meeting of the Division of Plasma Physics, 1 Pages, 1997/00

no abstracts in English

JAEA Reports

Aseismatic analysis of ITER vacuum vessel, 1; Modeling and eigenvalue analysis

Futakawa, Masatoshi; Koizumi, Koichi; Shimizu, Katsusuke*; Takatsu, Hideyuki; ; *

JAERI-M 92-164, 58 Pages, 1992/11

JAERI-M-92-164.pdf:1.92MB

no abstracts in English

JAEA Reports

Wall Heat Flux from Radiative Heat Seurces Distributed in a Toroidal Shase

; *

JAERI-M 84-072, 103 Pages, 1984/04

JAERI-M-84-072.pdf:1.94MB

no abstracts in English

JAEA Reports

Time-and Spatial-Behaviours of Metal Impurity During Neutral-Beam Injection on the JFT-2 Tokamak

; ; ; ; ; ; Sengoku, Seio; ; ; ; et al.

JAERI-M 82-164, 23 Pages, 1982/11

JAERI-M-82-164.pdf:0.69MB

no abstracts in English

JAEA Reports

A Computer Code for Computing the Beam Profiles in the NBI Line "BEMPROF"

Ohara, Yoshihiro;

JAERI-M 82-066, 68 Pages, 1982/07

JAERI-M-82-066.pdf:1.29MB

no abstracts in English

JAEA Reports

Pinch Effect in Current Sustaining Tokamak by RF Traveling Wave

; *

JAERI-M 82-023, 11 Pages, 1982/03

JAERI-M-82-023.pdf:0.3MB

no abstracts in English

JAEA Reports

Exact Modelling of the Torus Geometry with Monte Carlo Transport Code

*;

JAERI-M 9340, 22 Pages, 1981/02

JAERI-M-9340.pdf:0.63MB

no abstracts in English

Journal Articles

Charge-exchange excitation and recombination of oxygen in the ISX-B tokamak

R.C.Isler*; L.E.Murray*; ; J.L.Dunlap*; S.C.Bates*; P.H.Edmonds*

Phys.Rev.,A, 24(5), p.2701 - 2712, 1981/00

no abstracts in English

Journal Articles

Influence of neutral-beam injection on impurity transport in the ISX-B tokamak

R.C.Isler*; L.E.Murray*; ; D.E.Arnurius*; S.C.Bates*; E.C.Crume*; J.L.Dunlap*; P.H.Edmonds*; E.A.Lazarus*; M.Murakami*; et al.

Physical Review Letters, 47(9), p.649 - 652, 1981/00

 Times Cited Count:29 Percentile:85.78(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Measurement of surface temperature of a limiter and a study on plasma confinement characteristics

; ; *; ; ; ; ; ; ;

Japanese Journal of Applied Physics, 18(8), p.1549 - 1555, 1979/08

 Times Cited Count:6

no abstracts in English

JAEA Reports

TOPIC; A Debgging Code of Geometry Input Data of Trus Monte Carlo

; *

JAERI-M 8289, 137 Pages, 1979/06

JAERI-M-8289.pdf:2.32MB

no abstracts in English

JAEA Reports

Study on very-low-q discharges in DIVA

; ; ; ; ; Sengoku, Seio; ; ; ; ; et al.

JAERI-M 8205, 31 Pages, 1979/04

JAERI-M-8205.pdf:0.82MB

no abstracts in English

JAEA Reports

A Numerical Code SELENE to Calculate Axisymmetric Toroidal MHD Equilibria

Takeda, Tatsuoki; Tsunematsu, Toshihide

JAERI-M 8042, 64 Pages, 1979/01

JAERI-M-8042.pdf:1.14MB

no abstracts in English

Journal Articles

Spectroscopic measurements of impurities in the upgraded DIVA tokamak plasma

; ; ; ;

Journal of the Physical Society of Japan, 46(1), p.241 - 249, 1979/00

 Times Cited Count:2

no abstracts in English

Journal Articles

Radiation due to pseudo-continuum from high-Z impurities in upgraded DIVA tokamak plasma

; ; ;

Nuclear Fusion, 19(2), p.195 - 201, 1979/00

 Times Cited Count:9

no abstracts in English

Journal Articles

Absolute calibration of a grazing-incidence vacuum monochromator by means of tokamak discharges

; ; ; ; ; *

Japanese Journal of Applied Physics, 17(9), p.1625 - 1631, 1978/09

 Times Cited Count:9

no abstracts in English

87 (Records 1-20 displayed on this page)