The interpretation of observations of plasma flow in a steady-state quadrupole

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Abstract
A linear magnetic quadrupole is continuously filled with hydrogen plasma by injection along the neutral axis. The authors show that the injection process, the steady-state configuration and the flow pattern can be understood in detail in terms of the E/B and Del B drift mechanisms. They identify a constant of the guiding centre motion, and show that these mechanisms, being energy selective, are responsible for a spatial separation of hot and cold plasma from the same source.