Influence of Electrostatic Electron Waves on the Incoherent Scattering Cross-section

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Abstract
The electrostatic dispersion relation for a magnetized electron plasma has two solutions, one of which reduces to the plasma oscillations for parallel propagation and gives rise to the wellknown plasma lines in the power spectrum of incoherent scattering. The other solution gives rise to an extra set of lines in the spectrum. Under suitable conditions these new "resonance lines" have an energy content comparable to the corresponding plasma lines and are easily observable. The enhancement of these lines due to secondary electrons is calculated.