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Abstract

During ohmic H-mode discharges in TCV, edge localized mode (ELM) induced neutral particle bursts have been recorded by a neutral particle analyser for several plasma configurations. These bursts occurred simultaneously with the characteristic D-alpha pulses. In this paper it is shown that prompt desorption and recycling of the particles, expelled during an ELM, at the divertor strike zones can account for the magnitude of the ELM-induced neutral particle fluxes.

Additional information

Authors: VAN TOLEDO W, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches en Physique des Plasmas (CH);DUVAL B P, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches en Physique des Plasmas (CH);PITTS R A, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches en Physique des Plasmas (CH);WEISEN H, Ecole Polytechnique Fédérale de Lausanne, Centre de Recherches en Physique des Plasmas (CH)
Bibliographic Reference: Article: Proceedings of the 23rd European Physical Society Conference on Controlled Fusion and Plasma Physics, Kiev (UA), June 24-28, 1996, pp. 735-738
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