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The scattering behaviour of a hot non-uniform plasma cylinder described in the perturbed scalar pressure approximation is studied. The computations lead to a theoretical representation of the reflected field as a function of the plasma electron density which shows a striking resemblance to the observational data. The quantitative agreement with experiments is fair but not perfect and is shown to depend on the bulk density distribution adopted.
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Vandenplas et al. (1964) studied this question.
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