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Minimum B Field with Optimal Ellipticity and Idea for Improved Axial Confinement by Tuned ICRH Cycles

O. Ågren, N. Savenko

Fusion Science and Technology / Volume 47 / Number 1T / January 2005 / Pages 285-287

Technical Paper / Open Magnetic Systems for Plasma Confinement /

The aim of the article is to discuss briefly obtained results by the authors and to indicate some directions for further research. A closed form expression for the ellipticity of a flux tube confining a low beta plasma in a conventional mirror machine is determined. A scenario to improve end confinement and increase the electron temperature by ICRH with resonant absorption in the vicinity of the mirrors is suggested.

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