Direct observation of potential profiles with a 200 keV heavy ion beam probe on the Compact Helical System

被引：18

作者：

Fujisawa, A ^{[1
]}

Iguchi, H ^{[1
]}

Lee, S ^{[1
]}

Crowley, TP ^{[1
]}

Hamada, Y ^{[1
]}

Kubo, S ^{[1
]}

Idei, H ^{[1
]}

Sanuki, H ^{[1
]}

Itoh, K ^{[1
]}

Minami, T ^{[1
]}

Tanaka, K ^{[1
]}

Nishimura, S ^{[1
]}

Ida, K ^{[1
]}

Hidekuma, S ^{[1
]}

Kojima, M ^{[1
]}

Takahashi, C ^{[1
]}

Okamura, S ^{[1
]}

Matsuoka, K ^{[1
]}

机构：

[1] RENSSELAER POLYTECH INST, TROY, NY 12181 USA

来源：

PHYSICS OF PLASMAS | 1997年 / 4卷 / 05期

关键词：

D O I：

10.1063/1.872310

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

In this paper we present space potential profiles directly observed in a toroidal helical plasma of the Compact Helical System (CHS) [K. Matsuoka et al., Proceedings, 12th International Conference on Plasma Ph? sics and Controlled Nuclear Fusion, Nice, 1988 (International Atomic Energy Agency, Vienna, 1989), Vol. 2, p. 411], using a 200 keV heavy ion beam probe. The potential profiles exhibit widely varied characteristics, including positive and negative polarities for electron cyclotron and neutral beam-heated plasmas, respectively. The behavior of high-energy particles in the CHS plasmas are deduced from loss cone diagrams evaluated from the observed potential profiles. (C) 1997 American Institute of Physics.

引用

页码：1357 / 1361

页数：5

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