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Temporal Variations of Anomalous Cosmic Rays and Further Evidence for Anomalous Cosmic Ray Hydrogen

Mewaldt, R. A. and Webber, W. R. (1990) Temporal Variations of Anomalous Cosmic Rays and Further Evidence for Anomalous Cosmic Ray Hydrogen. In: Proceedings of the 21st International Cosmic Ray Conference. Vol.3. Department of Physics and Mathematical Physics, University of Adelaide , Adelaide, Australila, pp. 432-435. http://resolver.caltech.edu/CaltechAUTHORS:20140714-162918647

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Abstract

We examine the cosmic ray source composition of elements from Ar to Ni (18≤Z≤28) using data from ~.l to ~200 GeV /nuc and a cosmic ray propagation code that includes improved fragmentation cross-sections. By fitting available satellite data over more than three decades in energy /nuc, including recent HEA0-3 data, we obtain improved source abundances for Ar, Ca, Cr, Mn, and Ni, and compare these with recent determinations of the solar composition. We find no evidence for an energy-dependent source composition below ~20 GeV/nuc, but the data at higher energies deserve further study.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu/abs/1990ICRC....3..432MADSArticle
Additional Information:© Organizing Committee of the 21st Int. Cosmic Ray Conference. Provided by the NASA Astrophysics Data System. This work was supported by NASA grants NAG8-678 and NCR 05-002-160. We appreciate discussions of HEAO data with W. R. Binns, T. L. Garrard, J. Klarmann, and C. J. Waddington, and help with the propagation code from B. T. Hayes.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANAG8-678
NASANGR-05-002-160
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory1989-24
Record Number:CaltechAUTHORS:20140714-162918647
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140714-162918647
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47202
Collection:CaltechAUTHORS
Deposited By: Deborah Miles
Deposited On:27 Jul 2014 18:50
Last Modified:27 Jul 2014 18:50

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