Published March 15, 1996
| Published
Journal Article
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A Study of the Composition and Energy Spectra of Anomalous Cosmic Rays Using the Geomagnetic Field
Chicago
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Abstract
We use instrumentation on SAMPEX and the Earth's field as a magnetic rigidity filter in a "double spectrometer" approach to measure the composition and energy spectra of anomalous cosmic rays (ACRs) with Z≥6. A "pure" sample of anomalous cosmic ray C, N, O, and Ne is obtained, with no significant evidence for other species. The bulk of ACRs are now known to be singly-charged, and the geomagnetic filter allows their energy spectra to be measured to higher energies than before. The anomalous oxygen spectrum is found to extend to at least ∼100 MeV/nuc, which has implications for models of the acceleration of these ions.
Additional Information
© 1996 by the American Geophysical Union. (Received: August 28, 1995; revised: October 17, 1995; accepted October 23, 1995) This work was supported by NASA under NAS5-30704 & NAGW-1919. We appreciate discussions with A. C. Cummings.Attached Files
Published - 1995-44.pdf
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Additional details
- Eprint ID
- 46480
- Resolver ID
- CaltechAUTHORS:20140624-140158949
- NASA
- NAS5-30704
- NASA
- NAGW-1919
- Created
-
2014-06-24Created 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
- 1995-44