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Measurement of plasma diamagnetism by a coil located inside a conducting wall.

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  • Additional Information
    • Abstract:
      A diamagnetic loop is installed inside the vacuum vessel of the Tortus tokamak. It consists of a ten turn diamagnetic coil and a graphite limiter. The low influence of the eddy currents in the vessel wall and relatively Tower stray coupling on the diamagnetic signal make the measurement feasible. The experimental results, when plasma current ramped down, have shown that the plasma is paramagnetic for plasma current I[sub p] > 9 kA and diamagnetic for plasma current I[sub p] < 9 kA. The measurement method, detail of the experiment system, and illustrative results are presented. [ABSTRACT FROM AUTHOR]
    • Abstract:
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