The virtual cathode velocity during electron beam transport in a drift tube

S. Ya Belomyttsev, A. A. Grishkov, S. D. Korovin, V. V. Ryzhov

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A solution corresponding to a thin annular electron beam in a homogeneous drift tube featuring a uniformly moving virtual cathode (VC) has been obtained. The dependence of the VC velocity on the injected and transmitted currents is determined and it is established that this velocity has a limiting value. Theoretical results agree with the results of numerical calculations performed by means of the electromagnetic PIC code KARAT.

Original languageEnglish
Pages (from-to)1060-1063
Number of pages4
JournalTechnical Physics Letters
Issue number12
Publication statusPublished - 1 Dec 2004


ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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