The heavy nuclei of the primary cosmic radiation

Bradt, H. L. ; Peters, B. (1950) The heavy nuclei of the primary cosmic radiation Physical Review, 77 (1). pp. 54-70. ISSN 0031-899X

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The flux of primary cosmic-ray nuclei, heavier than protons, was determined at geomagnetic latitudes λ=55° and λ=30° °N. It is shown that at λ=30° at least one-half of the incident nucleons and a significant fraction of the incident cosmic-ray energy is due to the heavy component. The distribution of atomic numbers among the primaries was determined at both latitudes; the relative magnitude of the fluxes of the nuclei H:He:C,N,O: (nuclei of charge Z>10 is given approximately by the ratio 4000:1000:35:10. The possible significance of these results for the theories on the origin of cosmic rays is discussed.

Item Type:Article
Source:Copyright of this article belongs to The American Physical Society.
ID Code:75871
Deposited On:28 Dec 2011 11:48
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