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Document Type

Research

Abstract

Ionization by positive ion impact was studied in A, Ne, N2 , CO, He, at voltages up to 4000 volts and the results seem to check with those of Sutton (Phys. Rev. 33, 363, 1929) and Beeck (Ann. cl. Phys. 6, 8, 1001, 1930) wherever a check was possible. When the work was extended to an element heavier than K + i.e., Hg. the results are more complicated. The evidence seems to indicate; (a) reflection of K + ions at all voltages, (b) an increase in mean free path with increase in voltage, (c) no ionization below 250 volts, but above 250-350 volts ionization increases with increase in voltage.

Publication Date

1932

Journal Title

Proceedings of the Iowa Academy of Science

Volume

39

Issue

1

First Page

220

Last Page

220

Copyright

©1932 Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

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