Rotating directional probe for the study of RMP effects on fast ion losses in TEXTOR

Medientyp: Elektronischer Konferenzbericht
Titel: Rotating directional probe for the study of RMP effects on fast ion losses in TEXTOR
Beteiligte: Rack, Michael [VerfasserIn]; Liang, Yunfeng [VerfasserIn]; Jaegers, H. [VerfasserIn]; Assmann, Jochen [VerfasserIn]; Satheeswaran, Guruparan [VerfasserIn]; Xu, Yuhong [VerfasserIn]; Pearson, Jonathan [VerfasserIn]; Denner, Peter [VerfasserIn]; Zeng, Long [VerfasserIn]
Erschienen: Curran, 2013
Erschienen in: Red Hook, NY : Curran, Europhysics conference abstracts 37,D 385 - 388 (2013). ; 40th EPS Conference on Plasma Physics, Espoo, Finland, 2013-07-01 - 2013-07-05
Sprache: Englisch
ISBN: 978-163266310-8
Schlagwörter: Plasmaphysik
Entstehung:
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Beschreibung: The measurement technique of a new fast ion losses diagnostic and first results, stating dependencies on fast ion losses with and without RMPs, have been discussed. The comparison of established theories with the results of the presented experiments shows that the rotating directional probe is a feasible diagnostic for fast ion losses detection. During this work, clear RMP effects on the fast ion losses have not been seen when investigating the dependence of the perturbation strength and RMP rotation direction. However, the studies were performed with a low toroidal mode number n = 1, compared to the high n perturbations of magnetic field ripple, which are known to have a strong impact on fast ion losses [3]. Theoretical studies by tracing the fast ions are required to understand the impact of n = 1 RMPs on the losses. Future studies with n = 2 fields at TEXTOR are in preparation.
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