The electron pinch lifetime in high-current rod pinch diodes

Abstract

In high-current coaxial diodes with rod anode (rod pinch diodes), the current of the magnetic self-insulation in the gap is approximately two times greater than the critical magnetic insulation current (J_S ≈ 2J_C). Based on this fact, a model is proposed according to which a quasistationary electron pinch state in such diodes is explained by a change in the gap magnetic insulation conditions caused by the pinch formation. This circumstance can be used to evaluate the pinch lifetime Δt. The Δt values calculated using the oscillograms measured on the Gamble I accelerator agree satisfactorily with the values experimentally determined in a coaxial rod pinch diode.

Original language	English
Pages (from-to)	608-610
Number of pages	3
Journal	Technical Physics Letters
Volume	27
Issue number	7
DOIs	https://doi.org/10.1134/1.1388960
Publication status	Published - Jul 2001

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "The electron pinch lifetime in high-current rod pinch diodes",

abstract = "In high-current coaxial diodes with rod anode (rod pinch diodes), the current of the magnetic self-insulation in the gap is approximately two times greater than the critical magnetic insulation current (JS ≈ 2JC). Based on this fact, a model is proposed according to which a quasistationary electron pinch state in such diodes is explained by a change in the gap magnetic insulation conditions caused by the pinch formation. This circumstance can be used to evaluate the pinch lifetime Δt. The Δt values calculated using the oscillograms measured on the Gamble I accelerator agree satisfactorily with the values experimentally determined in a coaxial rod pinch diode.",

author = "Belomyttsev, {S. Ya} and Ryzhov, {V. V.}",

year = "2001",

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N2 - In high-current coaxial diodes with rod anode (rod pinch diodes), the current of the magnetic self-insulation in the gap is approximately two times greater than the critical magnetic insulation current (JS ≈ 2JC). Based on this fact, a model is proposed according to which a quasistationary electron pinch state in such diodes is explained by a change in the gap magnetic insulation conditions caused by the pinch formation. This circumstance can be used to evaluate the pinch lifetime Δt. The Δt values calculated using the oscillograms measured on the Gamble I accelerator agree satisfactorily with the values experimentally determined in a coaxial rod pinch diode.

AB - In high-current coaxial diodes with rod anode (rod pinch diodes), the current of the magnetic self-insulation in the gap is approximately two times greater than the critical magnetic insulation current (JS ≈ 2JC). Based on this fact, a model is proposed according to which a quasistationary electron pinch state in such diodes is explained by a change in the gap magnetic insulation conditions caused by the pinch formation. This circumstance can be used to evaluate the pinch lifetime Δt. The Δt values calculated using the oscillograms measured on the Gamble I accelerator agree satisfactorily with the values experimentally determined in a coaxial rod pinch diode.

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The electron pinch lifetime in high-current rod pinch diodes

Abstract

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