Published July 25, 2005
| public
Journal Article
Isotopic Composition of Cosmic Rays: Results from the Cosmic Ray Isotope Spectrometer on the ACE Spacecraft
Chicago
An error occurred while generating the citation.
Abstract
The Cosmic Ray Isotope Spectrometer on the ACE spacecraft measures the isotopic composition of cosmic-ray elements from Li through Zn with an unprecedented combination of excellent mass resolution and high statistics. The results indicate a cosmic-ray source whose composition is remarkably similar to that of the solar system, but which is enriched in material that may have originated in Wolf-Rayet stars. The lack of ^(59)Ni is strong indication that the cosmic rays are accelerated at least 10^5 years after nucleosynthesis. We examine these results in the context of the superbubble model of cosmic-ray origin that has been described by Higdon and Lingenfelter.
Additional Information
© 2005 Published by Elsevier B.V. This research was supported by NASA grant NAG5-6912 to the California Institute of Technology and by related NASA grants or subcontracts to the Jet Propulsion Laboratory, Goddard Space Flight Center, and Washington University.Additional details
- Eprint ID
- 48916
- Resolver ID
- CaltechAUTHORS:20140826-114144077
- NASA/Caltech
- NAG5-6912
- NASA/JPL
- Goddard Space Flight Center
- Washington University
- Created
-
2014-08-26Created from EPrint's datestamp field
- Updated
-
2021-11-10Created from EPrint's last_modified field
- Caltech groups
- Space Radiation Laboratory
- Other Numbering System Name
- Space Radiation Laboratory
- Other Numbering System Identifier
- 2005-02