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Relativistic electron‐beam propagation in vacuum with ion acceleration

 

作者: Peter L. Taylor,  

 

期刊: Journal of Applied Physics  (AIP Available online 1980)
卷期: Volume 51, issue 1  

页码: 22-29

 

ISSN:0021-8979

 

年代: 1980

 

DOI:10.1063/1.327414

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A self‐pinched relativistic electron beam is injected through a thin foil into vacuum with no externally applied magnetic field. The beam is observed to propagate at currents well above the space‐charge‐limiting current (∼3 kA) but limited to the Alfven current (∼30 kA). Propagation results from charge neutralization of the beam by ions accelerated out of the anode plasma as confirmed by various ion diagnostics. Ions are collectively accelerated to greater than the electron energy. The experimental results are in qualitative agreement with a one‐dimensional time‐dependent computer simulation.

 

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