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- Mantsinen, M. J, et al.
(författare)
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Controlling the profile of ion-cyclotron-resonant ions in JET with the wave-induced pinch effect
- 2002
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Ingår i: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 89:11, s. 5004-
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Tidskriftsartikel (refereegranskat)abstract
- Experiments on the JET tokamak show that the wave-induced pinch in the presence of toroidally asymmetric waves can provide a tool for controlling the profile of ion-cyclotron-resonant He-3 ions. Direct evidence for the wave-induced pinch has been obtained from the measured gamma-ray emission profiles. Concurrent differences in the excitation of Alfven eigenmodes (AEs), sawtooth stabilization, electron temperatures, and fast-ion stored energies are observed. The measured location of the AEs and gamma-ray emission profiles are consistent with the fast-ion radial gradient providing the drive for AEs.
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