Cowsik, R. (1968) Properties of air showers and the nature of the primary cosmic-ray spectrum Canadian Journal of Physics, 46 (10). S142-S146. ISSN 0008-4204
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Official URL: http://article.pubs.nrc-cnrc.gc.ca/ppv/RPViewDoc?i...
Related URL: http://dx.doi.org/10.1139/p68-196
Abstract
Calculations of the longitudinal development of air showers initiated by protons and heavy primaries are made. A comparison of the characteristics indicates that the separation of the heavy nucleus and proton-initiated showers is difficult. The size dependence of the number of muons of energy greater than 1, 220, and 660 GeV is shown to be consistent with the existence of a rigidity cutoff of galactic cosmic rays at ~105 GV, followed by an extragalactic component of protons at higher energies. The lateral distribution of 220-GeV muons in air showers is shown to be consistent with a mean transverse momentum of less than 1 GeV per pion.
Item Type: | Article |
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Source: | Copyright of this article belongs to Canada Institute for Scientific and Technical Information. |
ID Code: | 20685 |
Deposited On: | 20 Nov 2010 13:44 |
Last Modified: | 28 May 2011 10:28 |
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