Analysis of the Ion-Optical Systems of Portable Neutron Generators


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Abstract

The results of numerical modeling of the ion-beam dynamics and the dynamics of secondary ions and electrons formed in the ion-optical system of a portable neutron generator are presented. The calculation was performed with the aid of the KARAT code in a two-dimensional flat geometry and axisymmetric geometry. To suppress back electrons, the magnetic field of permanent magnets was used in the flat geometry and a blocking electric field of an additional electrode was used in the axisymmetric geometry. The working configurations of both systems are shown.

About the authors

A. V. Agafonov

Lebedev Physical Institute, Russian Academy of Sciences (LPI RAS)

Email: dsstepanov@mephi.ru
Russian Federation, Moscow

D. S. Stepanov

National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

Author for correspondence.
Email: dsstepanov@mephi.ru
Russian Federation, Moscow

E. Ya. Shkol’nikov

National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

Email: dsstepanov@mephi.ru
Russian Federation, Moscow

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