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Measurements of the Elemental Composition of Galactic Cosmic Ray Nuclei with 6≤Z≤28 from the Cosmic Ray Isotope Spectrometer on ACE

Lijowski, M. and Binns, W. R. and Christian, E. R. and Cummings, A. C. and George, J. S. and Hink, P. L. and Klarmann, J. and Leske, R. A. and Mahan, S. E. and Mewaldt, R. A. and Stone, E. C. and von Rosenvinge, T. T. and Wiedenbeck, M. E. and Yanasak, N. E. (1999) Measurements of the Elemental Composition of Galactic Cosmic Ray Nuclei with 6≤Z≤28 from the Cosmic Ray Isotope Spectrometer on ACE. In: Proceedings of the 26th International Cosmic Ray Conference. Vol.3. International Union of Pure and Applied Physics , pp. 5-8.

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The elemental abundances of galactic cosmic rays (GCR) observed near Earth provide information about the composition of the cosmic ray sources as well as their propagation history. The Cosmic Ray Isotope Spectrometer (CRIS) onboard the Advanced Composition Explorer (ACE) spacecraft measures the elemental and isotopic composition of GCRs with energies '"" 50 - 500 Me V /nucleon with high statistical accuracy ('"" 5000 stopping nuclei heavier than helium per day) due to its large geometrical factor. The CRIS data are used to derive cosmic ray abundances at the lowest level of solar activity during the last solar minimum. We present elemental abundances measured by CRIS, compare them with previous measurements, and discuss the plausible origins of the disagreement.

Item Type:Book Section
Related URLs:
URLURL TypeDescription
Binns, W. R.0000-0001-6110-3407
Christian, E. R.0000-0003-2134-3937
Cummings, A. C.0000-0002-3840-7696
Leske, R. A.0000-0002-0156-2414
Mewaldt, R. A.0000-0003-2178-9111
Stone, E. C.0000-0002-2010-5462
Wiedenbeck, M. E.0000-0002-2825-3128
Additional Information:Copyright University of Utah. Provided by the NASA ADS. Climax neutron monitor data were provided courtesy of the University of Chicago and the National Science Foundation Grant ATM-9613963.
Group:Space Radiation Laboratory
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Space Radiation Laboratory1999-26
Record Number:CaltechAUTHORS:20150212-163034160
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:54800
Deposited By: Deborah Miles
Deposited On:13 Feb 2015 19:59
Last Modified:09 Mar 2020 13:19

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