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Abundances of 'Secondary' Elements Among the Ultraheavy Cosmic Rays - Results from HEAO-3

Klarmann, J. and Binns, W. R. and Israel, M. H. and Margolis, S. H. and Garrard, T. L. and Stone, E. C. and Brewster, N. R. and Fixsen, D. J. and Waddington, C. J. (1983) Abundances of 'Secondary' Elements Among the Ultraheavy Cosmic Rays - Results from HEAO-3. In: 18th International Cosmic Ray Conference, Bangalore, India, August 22 to September 3, 1983. Vol.9. Tata Institute of Fundamental Research , Bombay, India, pp. 279-282. http://resolver.caltech.edu/CaltechAUTHORS:20140423-143400546

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Abstract

The HEAO-3 Heavy Nuclei Experiment has measured elemental abundances of ultraheavy cosmic rays near earth. The elements with atomic number (Z) in the intervals 44 < Z < 48 and 62 < Z < 74 arriving at earth are expected to have significant secondary components. However, their source abundances are unlikely to be low enough to warrant treating them as pure secondaries. The present results are consistent with solar system abundances modified for first ionization potential with possibly some enhancement of the r to s ratio.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu/abs/1983ICRC....9..279KADSArticle
Contact Email Address:dmiles@caltech.edu
Additional Information:This work was supported in part by NASA under contracts NAS8-27976, 77, 78 and grants NGR 05-002-160, 24-005-050, and NAG8-448.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANAS8-27976
NASANAS8-27977
NASANAS8-27978
NASANGR 05-002-160
NASANGR 24-005-050
NASANGR 26-008-001
NASANAG8-448
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory1983-22
Record Number:CaltechAUTHORS:20140423-143400546
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140423-143400546
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ID Code:45173
Collection:CaltechAUTHORS
Deposited By: SWORD User
Deposited On:23 Apr 2014 23:56
Last Modified:23 Apr 2014 23:56

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