George, J. S. and Wiedenbeck, M. E. and Barghouty, A. F. and Binns, W. R. and Christian, E. R. and Cummings, A. C. and Hink, P. L. and Klarmann, J. and Leske, R. A. and Lijowski, M. and Mewaldt, R. A. and Stone, E. C. and von Rosenvinge, T. T. and Yanasak, N. E.
(2000)
Cosmic Ray Source Abundances and the Acceleration of Cosmic Rays.
In:
ACE 2000 Symposium.
AIP Conference Proceedings.
No.528.
American Institute of Physics
, Melville, NY, pp. 437-440.
ISBN 1-56396-951-3.
https://resolver.caltech.edu/CaltechAUTHORS:20140826-100748785
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Abstract
The galactic cosmic ray elemental source abundances display a fractionation that is possibly based on first ionization potential (FIP) or volatility. A few elements break the general correlation of FIP and volatility and the abundances of these may help to distinguish between models for the origin of the cosmic ray source material. Data from the Cosmic Ray Isotope Spectrometer instrument on NASA’s Advanced Composition Explorer spacecraft were used to derive source abundances for several of these elements (Na, Cu, Zn, Ga, Ge). Three (Na, Cu, Ge) show depletions which could be consistent with a volatility-based source fractionation model.
| Item Type: | Book Section |
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| Additional Information: | © 2000 American Institute of Physics. This work was supported by NASA at the California Institute of Technology (under grant NAG5-6912), the Jet Propulsion Laboratory, the Goddard Space Flight Center, and Washington University. |
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| Group: | Space Radiation Laboratory |
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| Funders: | | Funding Agency | Grant Number |
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| NASA | NAG5-6912 | | JPL | UNSPECIFIED | | Goddard Space Flight Center | UNSPECIFIED | | Washington University | UNSPECIFIED |
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| Other Numbering System: | | Other Numbering System Name | Other Numbering System ID |
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| Space Radiation Laboratory | 2000-36 |
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| Series Name: | AIP Conference Proceedings |
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| Issue or Number: | 528 |
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| DOI: | 10.1063/1.1324355 |
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| Record Number: | CaltechAUTHORS:20140826-100748785 |
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| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140826-100748785 |
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| Official Citation: | Cosmic ray source abundances and the acceleration of cosmic rays
J. S. George, M. E. Wiedenbeck, A. F. Barghouty, W. R. Binns, E. R. Christian, A. C. Cummings, P. L. Hink, J. Klarmann, R. A. Leske, M. Lijowski, R. A. Mewaldt, E. C. Stone, T. T. von Rosenvinge and N. E. Yanasak
AIP Conf. Proc. 528, 437 (2000); http://dx.doi.org/10.1063/1.1324355 |
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| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
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| ID Code: | 48903 |
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| Collection: | CaltechAUTHORS |
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| Deposited By: |
Ruth Sustaita
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| Deposited On: | 26 Aug 2014 20:03 |
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| Last Modified: | 10 Nov 2021 18:37 |
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