Koch, L. ; Engelmann, J. J. ; Goret, P. ; Juliusson, E. ; Petrou, N. ; Rio, Y. ; Soutoul, A. ; Byrnak, B. ; Lund, N. ; Peters, B. ; Tasmussen, I. L. ; Rotenberg, M. ; Westergaard, N. (1981) The relative abundances of the elements scandium to manganese in relativistic cosmic rays and the possible radioactive decay of manganese 54 Astronomy & Astrophysics, 102 (2). L9-L11. ISSN 0004-6361
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Abstract
We report measurements of the abundances relative to iron of the elements scandium through manganese in galactic cosmic rays in the energy interval 0.7 to 18 GeV/n using data collected by our cosmic ray telescope on the HEAO-3 satellite. The variation versus energy of the abundance ratio of manganese over iron is markedly flatter than that of other iron secondaries. This difference is interpreted as being due to 54Mn survival at E > 15 GeV/n and to its progressive beta decay at lower energies.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to EDP Sciences. |
| Keywords: | Cosmic Rays; Radioactive Isotopes |
| ID Code: | 75890 |
| Deposited On: | 25 Jun 2012 13:32 |
| Last Modified: | 25 Jun 2012 13:32 |
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