This Letter presents the first direct experimental measurements of the damping of toroidicity-induced Alfv\'en eigenmodes (TAE), carried out in the JET tokamak. These measurements were obtained during the first experiments to drive these modes with antennas external to a tokamak plasma. Different regimes corresponding to different dominant TAE absorption mechanisms with a wide range of damping rates, 10^-3≤γ/ω≤10^-1, have been identified in Ohmically heated plasma discharges.
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Fasoli et al. (1995) studied this question.
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