Solar Neutrons and the Earth's Radiation Belts

Journal/Book: Reprinted from Science April 17 1964 Vol. 144 No. 3616 pages 292-294. 1964;

Abstract: Abstract. The intensity and spectrum of solar neutrons in the vicinity of the earth are calculated an the assumption that the low-energy protons recently detected in balloon and satellite flights are products of solar neutron decay. The solar-neutron flux thus obtained exceeds the global average cosmic-ray neutron leakage above 10 Mev indicating that it may be an important source of both the inner and outer radiation belts. Neutron measurements in the atmosphere are reviewed and several features of the data are found to be consistent with the estimated solar neutron spectrum. ___MH

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