The study of the radial location of quasi-coherent modes by heavy ion beam probe in the TJ-II stellarator

• Main Authors: Khabanov, Ph.O., Eliseev, L.G., Khartchev, N.K., Hidalgo, C., Kozachek, A.S., Krupnik, L.I., Lysenko, S.E., Melnikov, A.V., Chmyga, A.A., Deshko, G.N., Khrebtov, S.M., Komarov, A.D., Molinero, A., J.L. de Pablos, TJ-II team
• Format: Article
• Language: English
• Published: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2018
• Series: Вопросы атомной науки и техники
• Subjects: Диагностика плазмы
• Online Access: http://dspace.nbuv.gov.ua/handle/123456789/149075

Recent experiments in low magnetic shear flexible heliac TJ-II have shown that steady frequency and chirping Alfvén Eigenmodes take place with 100 kHz< fAE <300 kHz at both pure NBI and combined ECR and NBI heated plasmas with low line-averaged density ne = (0.3…1.5)×10¹⁹ m⁻³ at Low Fiel...