Binns, W. R. and Fickle, R. K. and Garrard, T. L. and Israel, M. H. and Klarmann, J. and Stone, E. C. and Waddington, C. J.
(1981)
Cosmic-Ray Abundances of Elements with Atomic Number 26 ≤ Z ≤ 40 Measured on HEAO-3.
Astrophysical Journal Letters, 247
(3).
L115-L118.
ISSN 2041-8205.
https://resolver.caltech.edu/CaltechAUTHORS:20140417-151939075
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Abstract
Individual elements in the cosmic radiation of even atomic number (Z) in the interval 26 ≤ Z ≤ 40 have been resolved and their relative abundances measured. The results are inconsistent with a
cosmic-ray source whose composition in this charge interval is dominated by r-process nucleosynthes1s.
The ratios of cosmic-ray source abundances to solar system abundances in this interval
follow the same general correlation with first ionization potential as for the lighter elements although
there are deviations in detail.
| Item Type: | Article |
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| Contact Email Address: | dmiles@caltech.edu |
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| Additional Information: | © 1981 American Astronomical Society.
Provided by the NASA Astrophysics Data System.
Received 1981 March 9; accepted 1981 April 16.
We thank T. Aufrance, B. Gauld, D. Grossman, K.
Krombel, and D. Mitchell for assistance in programming
for data analysis; R. N. F. Walker for development
of the propagation code, and S. H. Margolis and
K. L. Hainebach for the program to evaluate cross
sections for the propagation code. The research was
supported in part by NASA under contracts NAS8-
27976,77,78 and grants NGR 05-002-160, 24-005-050,
and 26-008-001.
Space Radiation Laboratory
SRL ID #: 1981-14. |
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| Group: | Space Radiation Laboratory |
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| Funders: | | Funding Agency | Grant Number |
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| NASA | NAS8-27976 | | NASA | NAS8-27977 | | NASA | NAS8-27978 | | NASA | NGR 05-002-160 | | NASA | NGR 24-005-050 | | NASA | NGR 26-008-001 |
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| Subject Keywords: | cosmic rays: abundances - nucleosynthesis |
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| Other Numbering System: | | Other Numbering System Name | Other Numbering System ID |
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| Space Radiation Laboratory | 1981-14 |
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| Issue or Number: | 3 |
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| Record Number: | CaltechAUTHORS:20140417-151939075 |
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| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140417-151939075 |
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| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
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| ID Code: | 45033 |
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| Collection: | CaltechAUTHORS |
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| Deposited By: |
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| Deposited On: | 23 Apr 2014 20:21 |
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| Last Modified: | 09 Mar 2020 13:18 |
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