Fast-ion dynamics in the TEXTOR tokamak measured by collective Thomson scattering

被引：84

作者：

Bindslev, H. ^{[1
]}

Nielsen, S. K.

Porte, L.

Hoekzema, J. A.

Korsholm, S. B.

Meo, F.

Michelsen, P. K.

Michelsen, S.

Oosterbeek, J. W.

Tsakadze, E. L.

Westerhof, E.

Woskov, P.

机构：

[1] EURATOM, Riso Natl Lab, DK-4000 Roskilde, Denmark

[2] EURATOM, Forschungszentrum Julich GmbH, Inst Plasmaphys, D-52425 Julich, Germany

[3] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA

[4] Ecole Polytech Fed Lausanne, CRPP, EURATOM, Confederat Suisse, CH-1015 Lausanne, Switzerland

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.97.205005

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Here we present the first measurements by collective Thomson scattering of the evolution of fast-ion populations in a magnetically confined fusion plasma. 150 kW and 110 Ghz radiation from a gyrotron were scattered in the TEXTOR tokamak plasma with energetic ions generated by neutral beam injection and ion cyclotron resonance heating. The temporal behavior of the spatially resolved fast-ion velocity distribution is inferred from the received scattered radiation. The fast-ion dynamics at sawteeth and the slowdown after switch off of auxiliary heating is resolved in time. The latter is shown to be in close agreement with modeling results.

引用

页数：4

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