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Journal Articles

Experimental validation of beam particle self interaction in JT-60U by use of N-NB

Okano, Kunihiko*; Suzuki, Takahiro; Umeda, Naotaka; Hiwatari, Ryoji*; Masaki, Kei; Tobita, Kenji; Fujita, Takaaki

Purazuma, Kaku Yugo Gakkai-Shi, 81(8), p.579 - 580, 2005/08

http://ci.nii.ac.jp/naid/110006281958

In a toroidal system, circulating fast ions generated by neutral beam injection affect the beam stopping cross-section of the neutral beam itself. This effect is called "beam particle self-interaction (BPSI)". In a recent experiment in JT-60U with 350 keV H$$^{0}$$ beam, an indication of this BPSI effect has been found for the first time. In a low density discharge at about 1$$times$$10$$^{19}$$m$$^{-3}$$, the beam shine-through decreased by about 35% within several hundred msec after beam injection. This result is consistent with a prediction by the BPSI theory.

Journal Articles

Attenuation of high-energy neutral hydrogen beams in high-density plasmas

Suzuki, Shingo*; Shirai, Toshizo; Nemoto, Masahiro; Tobita, Kenji; Kubo, Hirotaka; Sugie, Tatsuo; Sakasai, Akira; Kusama, Yoshinori

Plasma Physics and Controlled Fusion, 40(12), p.2097 - 2111, 1998/00

https://doi.org/10.1088/0741-3335/40/12/009
 Times Cited Count：61 Percentile：85.59(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Enhancement in the ionization cross-section of a 350keV hydrogen beam on JT-60U plasmas

Nemoto, Masahiro; Tobita, Kenji; Ushigusa, Kenkichi; Kusama, Yoshinori; Kuriyama, Masaaki; ; Masaki, Kei; Sakasai, Akira; Kamada, Yutaka

Purazuma, Kaku Yugo Gakkai-Shi, 73(12), p.1374 - 1377, 1997/12

http://ci.nii.ac.jp/naid/110003826823

no abstracts in English

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