Published 1995
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Evidence for Anomalous Cosmic Ray Hydrogen during the 1976-1977 Solar Minimum
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Abstract
We report evidence for the presence of anomalous cosmic ray hydrogen at 1 AU, based on a re-examination of data from the 1976-1977 solar minimum. In particular, the IMP 7&8 (^2H + ^3He)/^1H ratio at -25 MeV shows a marked decrease at the time of maximum anomalous He flux levels, indicating a contribution of "anomalous" protons. These measurements are consistent with the properties of anomalous hydrogen observed in the outer heliosphere during 1987 and 1994.
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© IUPAP. Provided by the NASA Astrophysics Data System. This work was supported by NASA under under NASS-30704 & NAGW-1919. I appreciate discussions with H. Moraal, A. Cummings, and E. Stone.Attached Files
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- 46288
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- CaltechAUTHORS:20140616-163053633
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- http://adsabs.harvard.edu/full/1995ICRC....4..808M (URL)
Funding
- NASA
- NASS-30704
- NASA
- NAGW-1919
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2014-06-18Created from EPrint's datestamp field
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2019-11-22Created from EPrint's last_modified field
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- Space Radiation Laboratory
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- Space Radiation Laboratory
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- 1995-17