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Showing 1 - 2 of 2 UKAEA Paper Results

UKAEA-CCFE-PR(25)2872023

"Observation of Alfven Eigenmodes ´ driven by off-axis neutral beam injection in the TCV tokamak"
- B Geiger
- A N Karpushov
- P Lauber
- S Sharapov
- M Dreval
- F Bagnato
- M Baquero-Ruiz
- A Dal Molin
- B P Duval
- M Garcia-Munoz
- C Marini
- M Nocente
- O Sauter
- L Stipani
- D Testa
- M Vallar
- the TCV
- EUROfusion MST1 Teams
Fast-particle driven Alfvén Eigenmodes have been observed in low-collisionality discharges with off-axis neutral beam injection (NBI), electron cyclotron resonance heating (ECRH) and a reduced toroidal magnetic field. During NBI and ECRH, toroidicity induced Alfvén Eigenmodes (TAEs) appear in frequency bands close to 200 kHz and energetic-part…
- Published
UKAEA-CCFE-PR(25)2862023

"Determination of MHD mode structures using soft x-ray diagnostics in TCV"
A forward modeling technique is developed for determining the characteristic features of observed MHD modes from the line-of-sight data of the soft x-ray (SXR) diagnostics with 64 vertical lines-of-sight in theTokamak `a Configuration Variable tokamak. Using diagnostics with excellent spatial resolution, this technique is shown to evaluate the polo…
- Published

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