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Published 1997 | Published
Book Section - Chapter Open

Geomagnetically Trapped Anomalous Cosmic Rays at Solar Minimum


The geomagnetically trapped a...r10malous cosmic rays have been monitored continuously by instrumentation on the SAMPEX satellite since its launch in mid-1992. With the approach of solar mimmum the intensity has been increasing along with that of the interplanetary anomalous cosmic ray source. We compare the time variations of the two components using data from the MAST instrument: describe improved measurements of the spatiaJ distribution of the trapped component, and discuss implications for the trapping and lifetime of the trapped component.

Additional Information

© Space Research Unit. Provided by the NASA Astrophysics Data System. This work was supported by NASA under Cooperative Agreement 26979B with the Aerospace Corporation and grants NAS5-30704 and NAGW-1919 to the California Institute of Technology.

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August 19, 2023
October 26, 2023