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Coherent radiation from an intense relativistic electron beam rotating in a background plasma
Abstract
Radiation at λ∼1 cm and megawatt power level is observed when a rotating, relativistic electron beam interacts with a background plasma. The emission spectrum is peaked at the 20th cyclotron harmonic, and the parametric dependence of the radiation is consistent with a model of interaction between single-particle cyclotron radiation and a beam-plasma streaming instability.
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