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The capability of the tore supra tokamak to achieve long pulses with fully non-inductive current drive lead to the discovery of a stationary regime featuring periodic oscillations of the central electron temperature. Recent experiments have revealed the existence of a new phenomenon: intermittent oscillations of the electron temperature of much larger amplitude than the previous ones. This paper reports on the first observation of th is new plasma behaviour, which involves distinct mechanisms with respect to the O-regime.

Additional information

Authors: IMBEAUX F et al, Département de Recherches sur la Fusion Contrôlée, Association Euratom-CEA sur la Fusion, CEA Cadarache, Saint-Paul-lez-Durance (FR)
Bibliographic Reference: An oral paper given at: 32nd EPS Conference on Controlled Fusion and Plasma Physics Organised by: Asociación EURATOM-CIEMAT para Fusión Held at: Congress Palace of Tarragona, Tarragona (ES)
Availability: Available from Association EURATOM-CEA, Departement de Recherches sur la Fusion Controlee, CEA Cadarache, F-13108 St Paul-Lez-Durance, FranceL%Tel: (+33) 4 42 25 70 01; Fax: (+33) 4 42 25 64 21 E-mail:
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