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Published 1997 | Published
Book Section - Chapter Open

Updated Measurements of the Isotopic Composition of Interplanetary and Geomagnetically Trapped Anomalous Cosmic Rays


Pure samples of anomalous cosmic rays are measured by SAMP EX, both at latitudes where the geomagnetic field acts as a particle rigidity filter, and in the radiation belt of trapped anomalous cosmic rays. We report updated measurements of the isotopic composition of anomalous cosmic ray N, 0, and Ne in these two regions, along with isotopic values measured over the poles, and compare our results with those found by previous investigators and with those measured in other samples of solar and galactic material.

Additional Information

© Space Research Unit. Provided by the NASA Astrophysics Data System. This work was supported by NASA under contract NASS-30704 and grant NAGW-1919.

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August 19, 2023
October 26, 2023