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A Search for Cosmic Rays Streaming Out of the Galaxy

Published online by Cambridge University Press:  25 April 2016

A. G. Fenton  and
K. B. Fenton
A. G. Fenton
Affiliation:
Physics Department, University of Tasmania
K. B. Fenton
Affiliation:
Physics Department, University of Tasmania
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Extract

Evidence has been mounting for some years that cosmic rays have a dwell time in the disk of the Galaxy of 106-107 years. This evidence comes mainly from the study of the chemical composition of the cosmic rays, for if the particles were stored in the Galaxy for a longer time the heavy nuclei would suffer more collisions with interstellar matter and would be broken down into lighter nuclei or protons (see, for example, Shapiro).

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 2 , Issue 3 , October 1972 , pp. 139 - 140
Copyright
Copyright © Astronomical Society of Australia 1972

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References

1 Shapiro, M. M., 12th Int. Conf. on Cosmic Rays, Hobart, 1971, Invited and Rapporteur Papers (University of Tasmania), 422.Google Scholar
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