Christian, E. R. and Cummings, A. C. and Stone, E. C. (1988) Evidence for Anomalous Cosmic Ray Hydrogen. Astrophysical Journal, 334 . L77-L80. ISSN 0004-637X. https://resolver.caltech.edu/CaltechAUTHORS:20140501-103301989
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Abstract
We present evidence for the emergence of a measurable anomalous cosmic-ray hydrogen component in 1987 which may account for 20% - 40% of the total hydrogen flux at 60 MeV. Comparing this flux with that of anomalous cosmic-ray helium, the authors estimate that the H I/He I ratio in the very local interstellar medium is ~4, consistent with determinations from solar ultraviolet backscatter measurements.
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| Contact Email Address: | dmiles@caltech.edu | |||||||||
| Additional Information: | Copyright 1988. The American Astronomical Society. Received 1988 August 8; accepted 1988 August 18. We thank F. B. McDonald and W. R. Webber for their helpful discussions and suggestions. We also appreciate the contributions of the other Voyager CRS team members at Caltech and the Goddard Space Flight Center. This workl was supported in part by NASA under contract NAS 7-918 and grant NGR 05-002-160. | |||||||||
| Group: | Space Radiation Laboratory | |||||||||
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| Record Number: | CaltechAUTHORS:20140501-103301989 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140501-103301989 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 45404 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | SWORD User | |||||||||
| Deposited On: | 06 May 2014 16:49 | |||||||||
| Last Modified: | 03 Oct 2019 06:30 |
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