Unstable electrostatic ion cyclotron waves excited by an ion beam
- 1 March 1976
- journal article
- conference paper
- Published by AIP Publishing in Physics of Fluids
- Vol. 19 (3) , 453-456
- https://doi.org/10.1063/1.861474
Abstract
Electrostatic ion cyclotron waves were observed in a quiescent cesium plasma into which a low-energy beam of sodium ions was injected. The instability appeared when the beam velocity was above 12 times the ion thermal velocity. The waves propagated along the magnetic field with a velocity somewhat smaller than that of the beam. The dispersion relation was in good agreement with theory.Keywords
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