Producing a compact long-lived plasma formation

Author: Alekhin B.   Dubinov A.   Zhdanov V.   Kornilov V.   Mikheev K.   Selemir V.   Stepanov N.   Chelpanov V.   Shamro O.  

Publisher: Springer Publishing Company

ISSN: 0018-151X

Source: High Temperature, Vol.42, Iss.6, 2004-11, pp. : 851-857

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Abstract

A method of producing compact long-lived plasma formations (plasmoids) is described. The method is based on the effect of capture of a high-current relativistic electron beam under conditions of significant overcompensation of space charge of the beam by positive background ions. Requirements are formulated which are placed on the parameters of a plasma-beam system for the realization of this method, and numerical estimates are given of the overall electric charge and energy content of the electron component of a plasmoid. The dynamics of forming a plasmoid are investigated experimentally.