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Vacuum-arc plasma centrifuge experiment

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4 Author(s)
Del Bosco, E. ; Lab. Associado de Plasma, Inst. de Pesquisas Espaciais, Sao Paulo, Brazil ; Dallaqua, R.S. ; Bittencourt, J.A. ; Ludwig, G.O.

The authors describe the vacuum-arc plasma centrifuge developed at the Institute for Space Research (INPE) in Brazil. The experiment is characterized by its relatively small dimensions. Angular rotation frequencies in the range of 1.9×105 rad/s to 3.5×105 rad/s, measured with langmuir probes, are presented for a magnesium plasma. Enrichments of 15% for 25Mg and 26% for 26Mg were measured with a quadrupole mass spectrometer. The dependence of magnesium isotope enrichments upon the magnetic field is also presented. It is noted that the existence of an optimum value for the B field is important for future scaling laws of plasma centrifuges

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Plasma Science, IEEE Transactions on  (Volume:17 ,  Issue: 5 )