Electron beams formed in a diode filled with air or nitrogen at atmospheric pressure

被引：57
|
作者：
Alekseev, SB [1 ]
Orlovskii, VM [1 ]
Tarasenko, VF [1 ]
机构：
[1] Russian Acad Sci, Inst High Current Elect, Siberian Div, Tomsk 634055, Russia
来源：
TECHNICAL PHYSICS LETTERS | 2003年 / 29卷 / 05期
关键词：
Nitrogen; Electron Beam; Field Strength; Electron Energy; Critical Level;
D O I：
10.1134/1.1579810
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have studied the electron beam formation in a diode filled with a molecular gas at atmospheric pressure. A beam current amplitude of up to similar to20 A at an electron energy of similar to70 keV was obtained in an air-filled diode. It is suggested that the main fraction of runaway electrons at low initial values of the parameter E/p (similar to0.1 kV/(cm Torr)) is formed in the space between cathode plasma and anode. As the plasma spreads from cathode to anode, the electric field strength between the plasma front and anode increases and the E/p value reaches a critical level. (C) 2003 MAIK "Nauka/Interperiodica".
引用
收藏
页码：411 / 413
页数：3
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