Energetic neutron and gamma-ray spectra under the Earth Radiation Belts according to "salute-7"-"kosmos-1686" orbital complex and "Coronas-I" satellite data

A. V. Bogomolov, A. V. Dmitriev, I. N. Myagkova, S. P. Ryumin, O. N. Smirnovaand, I. M. Sobolevsky

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Abstract

The spectra of neutrons >10 MeV and gamma-rays 1.5-100 MeV under the Earth Radiation Belts, restored from the data, obtained onboard orbital complex "SALUTE-7"-"KOSMOS-1686", are presented. The spectra shapes are similar to those for albedo neutrons and gamma-rays, but absolute values of their fluxes (0.2 cm -2 s -1 for neutrons, 0.8 cm -2 s -1 for gamma-rays at the equator and 1.2 cm -2 s -1 , 1.9 cm -2 s -1 , accordingly, at L = 1.9) are several times as large. It is possibly explained by the fact that most of the detected particles were produced by the cosmic ray interactions with the orbital complex matter. Neutron and gamma-ray fluxes obtained from "CORONAS-I" data are near those for albedo particles.

Original languageEnglish
Pages (from-to)1801-1804
Number of pages4
JournalAdvances in Space Research
Volume21
Issue number12
DOIs
StatePublished - 1998

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