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|Type:||Artigo de periódico|
|Title:||The temporal evolution of 3-9 MeV/nucleon He flux trapped in the magnetosphere|
|Abstract:||Results of measurements of the absolute values and long term temporal evolution of the spatial distribution of trapped He ion fluxes of 3.2 - 9.2 MeV/nucleon energy at L < 4 obtained by the OHZORA satellite are reported. The annually aver aged radial profile exhibits one persistently present peak at L = 1.3 - 1.5 as well as very significant transient trapped fluxes at L = 1.4 - 4.0 during the period 1984-1986. Together the absolute values of the fluxes measured by OHZORA and S72-1, SAMPEX, and CRRES spacecrafts may approximately be described by a power spectrum with index of -8.0 +/- 1.0 at L = 1.9 - 2.3 within the energy range of 3 - 100 MeV/nucleon.|
|Editor:||Amer Geophysical Union|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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