NUMERICAL SIMULATION OF TRANSPORT OF A HIGH-CURRENT ELECTRON BEAM GENERATED BY THE SECONDARY-EMISSION CATHODE GUN IN A DECREASING SOLENOIDAL FIELD

被引：0
|
作者：
Dovbnya, A. N. [1 ]
Dovbnya, N. A. [1 ]
Mazmanishvili, A. S. [1 ]
Reshetnyak, N. G. [1 ]
Chertishchev, I. A. [1 ]
机构：
[1] Kharkov Inst Phys & Technol, Natl Sci Ctr, Kharkov, Ukraine
来源：
PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY | 2015年 / 06期
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D O I：
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中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The software tool has been developed for computing the electron beam formation by means of the secondary-emission cathode magnetron gun in the electron energy range between 30 and 65 keV at beam transport in a decreasing magnetic field of the solenoid. Numerical simulation data on the tubular electron flow motion and visualization are presented. The beam current was investigated versus the amplitude and gradient of the field decrease, and also, versus the initial beam particle distribution in the phase space. It has been found that for the given simulation conditions, the magnetic field reconfiguration has an effect only on the total displacement of the electron beam, without causing a noticeable change in the shape of the final flow distribution along the longitudinal coordinate.
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页码：77 / 82
页数：6
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