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A narrow region of electron beams at the poleward edge of the cusp

โœ Scribed by Yamauchi, M.; Lundin, R.


Book ID
119687589
Publisher
American Geophysical Union
Year
1993
Tongue
English
Weight
597 KB
Volume
98
Category
Article
ISSN
0148-0227

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The focussing of narrow electron-beams i
โœ A. Bouwers ๐Ÿ“‚ Article ๐Ÿ“… 1935 ๐Ÿ› Elsevier Science โš– 337 KB

The focussing of electron beams by means of electric fields is studied after discussion of the dispersion caused by space-charge. The basis for the calculations was a t h i n band-shaped beam, b u t conclusions are drawn with respect to circular beams. The focal distances for the axially symmetrical