Correlation of Upper-Atmospheric 7 Be with Solar Energetic Particle Events (2007)
G. W. Phillips, G. H. Share, S. E. King, R. A. August, A. J. Tylka, J. H. Adams, ...
Abstract. A surprisingly large concentration of radioactive 7 Be was observed in the upper atmosphere at altitudes above 320 km on the LDEF satellite that was recovered in January 1990. We report on...