The current of an annular electron beam behind virtual cathode

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

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The output current I(out) of a magnetized annular electron beam transported in a homogeneous drift tube of a SINUS-7 setup has been studied as a function of the injected beam current I(inj). The electron beam was injected via an anode inset of smaller radius and had a current above the Fedosov limit for the given drift tube (I(inj) ≥ I(F)). It is established that, to within the experimental uncertainty, a virtual cathode (VC) is formed when the injected beam current exceeds the corresponding limiting I(lim). In this state, the current transmitted behind VC is approximately equal to the limiting value (I(out) ≈ I(lim)).

Original languageEnglish
Pages (from-to)55-57
Number of pages3
JournalTechnical Physics Letters
Volume31
Issue number1
DOIs
Publication statusPublished - 1 Jan 2005

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cathodes
electron beams
beam currents
tubes
anodes
radii
output

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Belomyttsev, S. Y., Grishkov, A. A., Kitsanov, S. A., Korovin, S. D., Polevin, S. D., & Ryzhov, V. V. (2005). The current of an annular electron beam behind virtual cathode. Technical Physics Letters, 31(1), 55-57. https://doi.org/10.1134/1.1859500

The current of an annular electron beam behind virtual cathode. / Belomyttsev, S. Ya; Grishkov, A. A.; Kitsanov, S. A.; Korovin, S. D.; Polevin, S. D.; Ryzhov, V. V.

In: Technical Physics Letters, Vol. 31, No. 1, 01.01.2005, p. 55-57.

Research output: Contribution to journalArticle

Belomyttsev, SY, Grishkov, AA, Kitsanov, SA, Korovin, SD, Polevin, SD & Ryzhov, VV 2005, 'The current of an annular electron beam behind virtual cathode', Technical Physics Letters, vol. 31, no. 1, pp. 55-57. https://doi.org/10.1134/1.1859500
Belomyttsev SY, Grishkov AA, Kitsanov SA, Korovin SD, Polevin SD, Ryzhov VV. The current of an annular electron beam behind virtual cathode. Technical Physics Letters. 2005 Jan 1;31(1):55-57. https://doi.org/10.1134/1.1859500
Belomyttsev, S. Ya ; Grishkov, A. A. ; Kitsanov, S. A. ; Korovin, S. D. ; Polevin, S. D. ; Ryzhov, V. V. / The current of an annular electron beam behind virtual cathode. In: Technical Physics Letters. 2005 ; Vol. 31, No. 1. pp. 55-57.
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