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A solar energetic particle event with He-3/He-4 1The solar event of 28 May 1968 is reported using the Goddard Cosmic Ray Telescope on OGO-5. The flare associated with the event occurred at 12:48 on 28 May and had importance 1B. About 600 He-3 were detected in the event and the He-3/He-4 equals 1.52 plus or minus 0.1 in the energy range 4-80 MeV/necleon. This is the highest ratio reported so far for any solar event.
Document ID
19740024127
Acquisition Source
Legacy CDMS
Document Type
Preprint (Draft being sent to journal)
Authors
Balasubrahmanyan, V. K. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Serlemitsos, A. T. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
September 3, 2013
Publication Date
July 1, 1974
Subject Category
Space Radiation
Report/Patent Number
X-661-74-233
NASA-TM-X-70732
Accession Number
74N32240
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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