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Reduced model analysis of chirping Alfv$'e$n eigenmodes; Application to MAST

周波数掃引アルヴェン波の簡約化モデル解析; MASTへの応用

Lesur, M.*; 井戸村 泰宏   ; 篠原 孝司; Garbet, X.*

Lesur, M.*; Idomura, Yasuhiro; Shinohara, Koji; Garbet, X.*

We present a new method for analyzing fundamental kinetic plasma parameters such as the linear drive and the external damping rate based on experimental observations of chirping Alfv$'e$n eigenmodes. The method consists of fitting procedures of nonlinear chirping characteristics between the so-called Berk-Breizman model and the experiment. The method is validated through a comparison of the linear drive against former analyses on the Toroidicity induced Alfv$'e$n eigenmode on MAST.

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