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Alternating Gradient Focusing of Cyclotron External Beam

 

作者: Edward L. Hubbard,   Elmer L. Kelly,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1954）
卷期: Volume 25, issue 8  

页码: 737-739

 

ISSN:0034-6748

 

年代: 1954

 

DOI:10.1063/1.1771168

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The ¾‐Mev external proton beam from the 20‐inch cyclotron appeared to diverge horizontally from one point and vertically from another point. With a series of three alternately converging and diverging electro‐static lens elements of hyperbolic cross section, it was possible either to focus the external beam to a point or to make it parallel.

 

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