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The velocity distribution of electrons issuing from small holes

Dalton, Robert H. and Baxter, Warren P. (1927) The velocity distribution of electrons issuing from small holes. Physical Review, 29 (2). pp. 248-251. ISSN 0031-899X.

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The velocity distribution of a beam of 50-volt electrons issuing from a hole 0.022 cm in diameter in a copper plate 0.02 cm thick has been measured. Seventy percent of the electrons were found to retain approximately their initial velocity. By coating the sides and edges of the hole with lampblack 95% of the electrons were transmitted without appreciable energy loss. Similar results were obtained with grids of 100 mesh copper gauze.

Item Type:Article
Additional Information:©1927 The American Physical Society. Received 29 October 1926. The authors wish to express their thanks to Dr. G. Glocker for his help and advice; also to the Carnegie Institution of Washington for financial assistance received from a grant made to Prof. A. A. Noyes.
Record Number:CaltechAUTHORS:DALpr27
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2503
Deposited By: Tony Diaz
Deposited On:06 Apr 2006
Last Modified:26 Dec 2012 08:49

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