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Lead, Platinum, and Other Heavy Elements in the Primary Cosmic Radiation--HEAO-3 Results

Waddington, C. J. and Binns, W. R. and Brewster, N. R. and Fixsen, D. J. and Garrard, T. L. and Israel, M. H. and Klarmann, J. and Newport, B. J. and Stone, E. C. (1985) Lead, Platinum, and Other Heavy Elements in the Primary Cosmic Radiation--HEAO-3 Results. In: Proceedings of the 19th International Cosmic Ray Conference. Vol.1. Goddard Space Flight Center , Green Belt, MD, pp. 1-4. http://resolver.caltech.edu/CaltechAUTHORS:20140501-122628758

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Abstract

This paper reports an observation of the abundances of cosmic-ray lead and platinum-group nuclei using data from the HEAO-3 Heavy Nuclei Experiment (HNE) which consisted of ion chambers mounted on both sides of a plastic Cherenkov counter (Binns et al., 1981). Previously we have reported on a search for actinide nuclei, Z > 88 (Binns, et al. 1982a). Further analysis with more stringent selections, inclusion of additional data, and a calibration at the LBL Bevalac, have allowed us to obtain the abundance ratio of lead and the platinum group of elements for particles that had a cutoff rigidity R_c > 5 GV.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu/abs/1985ICRC....9..527WADSArticle
Additional Information:© 1985 NASA/STI. Provided by the NASA Astrophysical Data System. The research was supported in part by NASA under grants NAG 8-498, 500, 502, and NGR 05-002-160, 24-005-050, and 26-008- 01.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANAG 8-498
NASANAG 8-500
NASANAG 8-502
NASANGR 05-002-160
NASANGR 24-005-050
NASANGR 26-008-001
Non-Subject Keywords:Abundance, Heao 3, Heavy Nuclei, Lead (Metal), Platinum, Primary Cosmic Rays, Cerenkov Counters, Energy Spectra, Ionization Chambers
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory1985-19
Record Number:CaltechAUTHORS:20140501-122628758
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140501-122628758
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45426
Collection:CaltechAUTHORS
Deposited By: Joy Painter
Deposited On:01 May 2014 21:02
Last Modified:01 May 2014 21:02

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