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Abstract

The electron temperature and density in the ASDEX main chamber boundary plasma are measured using a movable double probe. From the measured density and temperature profiles we can deduce characteristic decay lengths illustrating the transport in this particular region out of the separatrix. The effects of two types of heating are investigated, during the neutral beam injection the boundary plasma seems to respond to the high and low beta regimes found in ASDEX. The lower hybrid heating affects the boundary plasma by increasing the electron temperature and modifying the density profile.

Additional information

Authors: EL SHAER M MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, GARCHING BEI MUENCHEN (GERMANY), MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, GARCHING BEI MUENCHEN (GERMANY)
Bibliographic Reference: WRITE TO MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, 8046 GARCHING BEI MUENCHEN (GERMANY), MENTIONING REPORT IPP III/96, 1984
Record Number: 1989123024300 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en