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Onset Criteria for Structure in Magnetically Confined Plasma Expansions.
NAVAL RESEARCH LAB WASHINGTON DC
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A set of criteria is proposed for the onset of structure caused by the unmagnetized ion Rayleigh-Taylor instability in magnetically confined plasma expansions. R sub C, the critical radius at which structure can begin to develop, is independent of the magnetic field. There is a critical value of laser energy that needs to be exceeded for structure to develop. These criteria are consistent with available experimental data from AMPTE and the DNANRL laser experiment. A series of laser experiments recommended which will confirm or refute these criteria.
APPROVED FOR PUBLIC RELEASE