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3. Mass analyzer “MASHA” high temperature target and plasma ion source.

Author

Semchenkov, A. G., Rassadov, D. N., Bekhterev, V. V., Bystrov, V. A., Chizov, A. Yu., Dmitriev, S. N., Efremov, A. A., Guljaev, A. V., Kozulin, E. M., Oganessian, Tu. Ts., Starodub, G. Ya., Voskresensky, V. M., Bogomolov, S. L., Paschenko, S. V., Zelenak, A., and Tikhonov, V. I.

Subjects
PLASMA gases, SEPARATION (Technology), MAGNETIC separators, MAGNETIC fields, ION sources, VACUUM filters, ELECTRIC discharges
Abstract

A new separator and mass analyzer of super heavy atoms (MASHA) has been created at the FLNR JINR Dubna to separate and measure masses of nuclei and molecules with precision better than 10-3. First experiments with the FEBIAD plasma ion source have been done and give an efficiency of ionization of up to 20% for Kr with a low flow test leak (6 particle μA). We suppose a magnetic field optimization, using the additional electrode (einzel lens type) in the extracting system, and an improving of the vacuum conditions in order to increase the ion source efficiency. © 2004 American Institute of Physics. [ABSTRACT FROM AUTHOR]

Published
2004
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