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Observation of expanding gas bubbles from a pinched electron beam by fast photography

 

作者: P. S. P. Wei,   J. R. Beymer,   J. L. Adamski,  

 

期刊: Journal of Applied Physics  （AIP Available online 1980）
卷期: Volume 51, issue 4  

页码: 2272-2273

 

ISSN:0021-8979

 

年代: 1980

 

DOI:10.1063/1.327857

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A self‐focused electron beam produces a string of hot spots along its path in 0.35 Torr of air. In this communication we report some interesting snap shots on the luminous gas bubbles expanding from the pinched hot spots. The radial speed of expansion is measured to be ∼9 mm/&mgr;sec, which corresponds to ∼6 eV of kinetic energy per N+ion.

 

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