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IOP Publishing, Plasma Physics and Controlled Fusion, 6(63), p. 065005, 2021

DOI: 10.1088/1361-6587/abdc9c

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Quiescent regions below the X-point in ASDEX Upgrade

Journal article published in 2021 by Raheesty Devi Nem ORCID, Peter Manz ORCID, J. Juul Rasmussen, Jens Juul Rasmussen ORCID, Nicola Vianello ORCID, Nicholas Walkden ORCID, Volker Naulin, Bernard Sieglin, Albrecht Herrmann, Dominik Brida
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Abstract Probe measurements of plasma fluctuations in the divertor region of ASDEX Upgrade reveal the existence of two quiescent regions close to the separatrix: one on the low field side scrape-off layer and one on the high field side of the private flux region. The X-point manipulator at ASDEX Upgrade provides the unique possibility of obtaining continuous measurements of the ion-saturation current from the low field side scrape-off layer through the private flux region and into the high field side scrape-off layer.