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Long slide-away discharges in the COMPASS tokamak

Ondrej Ficker ; Jan Mlynar ; Milos Vlainic ; Vladimir Weinzettl ; Jakub Urban ; Jordan Cavalier ; Jaroslav Havlicek ; Radomir Panek ; Martin Hron ; Jaroslav Cerovsky ; Petr Vondracek ; Richard Paprok ; Joan Decker ; Yves Peysson ; Ondrej Bogar ; Adam Stahl (Institutionen för fysik, Subatomär fysik och plasmafysik (Chalmers)) ; COMPASS Team
Proceedings of the 58th Annual Meeting of the APS Division of Plasma Physics Vol. 61 (2016), 18, p. GP10.00101.
[Konferensbidrag, övrigt]

In this contribution, long runaway electron (RE) dominated discharges achieved in the COMPASS tokamak are presented. The extensive length is possible due to a low consumption of available volt-seconds of the tokamak transformer in this type of discharge. Energetic electron losses in this regime seems to be modulated mainly by small oscillations of a radial position (controller setting) unlike in the RE discharges at higher electron density, where various MHD phenomena affect the evolution of the losses. The behaviour of the slide-away plasma is studied using magnetic coils, HXR detectors, ECE system and a pair of 3He proportional counters of neutrons. The plasma scenario is also modelled using Fokker-Planck codes.

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Denna post skapades 2017-01-18.
CPL Pubid: 247347


Institutioner (Chalmers)

Institutionen för fysik, Subatomär fysik och plasmafysik (Chalmers)



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