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Detailed Reference Information |
Hasebe, N., Mishima, Y., Fujiki, K., Fujii, M., Kobayashi, M., Doke, T., Kikuchi, J., Hayashi, T., Shino, T., Ito, T., Takashima, T., Yanagimachi, T., Nakamoto, A., Murakami, H., Nagata, K., Kohno, T., Munakata, K., Kato, C., Yanagita, S., Kashiwagi, T., Maezawa, K., Muraki, Y., Nishida, A., Terasawa, T. and Wilken, B. (1994). Rapid recovery of anomalous cosmic ray flux at 1 Au in solar cycle 22. Geophysical Research Letters 21: doi: 10.1029/94GL02098. issn: 0094-8276. |
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A new observation of low energy cosmic ray particles with the energies from 4 to 120 MeV/n by the HEP instrument onboard the GEOTAIL satellite orbiting at 1 AU shows a remarkable enhancement of anomalous cosmic ray (ACR) N, O and NE in the period September 1992--December 1993 before approaching to the solar minimum in solar cycle 22. The ACR fluxes obtained by the GEOTAIL observation are in good agreement with the results earlier obtained from the SAMPEX satellite [Mewaldt et al. 1993a,b>. The ACR carbon is also evident though the C enhancement is small compared with those of N, O and Ne. We confirm the new SAMPEX finding that the ACR fluxes have recovered more rapidly in 1992--1993 than in previous solar cycles and find this tendency continues to the end of 1993. ¿American Geophysical Union 1994 |
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Abstract |
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Keywords
Interplanetary Physics, Cosmic rays, Interplanetary Physics, Energetic particles, Interplanetary Physics, Heliopause and solar wind termination |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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