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Cosmic-Ray Abundances of the Even Charge Elements from _(50)Sn to _(58)Ce Measured on HEAO-3

Stone, E. C. and Garrard, T. L. and Krombel, K. E. and Binns, W. R. and Israel, M. H. and Klamiann, J. and Brewster, N. R. and Fickle, R. K. and Waddington, C. J. (1983) Cosmic-Ray Abundances of the Even Charge Elements from _(50)Sn to _(58)Ce Measured on 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. 115-118.

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Elements with even atomic number (Z) in the interval 50 ≤ Z ≤ 58 have been resolved in the cosmic radiation using the Heavy Nuclei Experiment on the HEAO-3 satellite. The observation that _(50)Sn and _(56)Ba are more abundant that _(52)Te and _(54)Xe indicates a substantial s-process contribution to the cosmic ray source. A significant abundance of _(58)Ce provides further support for this finding.

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Stone, E. C.0000-0002-2010-5462
Binns, W. R.0000-0001-6110-3407
Israel, M. H.0000-0002-8104-208X
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Additional Information:© 1983 INSDOC. Provided by the NASA Astrophysics Data System. We thank N.S. Collins, B.W. Gauld, D.P. Grossman, and B.J. Newport for assistance in programming for data analysis. This research was supported in part by NASA under contracts NAS 8-27976, 77, 78 and grants NGR 05-002-160, 24-005-050, and 26-008-001.
Group:Space Radiation Laboratory
Funding AgencyGrant Number
NASANAS 8-27976
NASANAS 8-27977
NASANAS 8-27978
NASANGR 05-002-160
NASANGR 24-005-050
NASANGR 26-008-001
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Space Radiation Laboratory1983-18
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ID Code:45168
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Deposited On:24 Apr 2014 23:32
Last Modified:09 Mar 2020 13:18

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