Physics
Scientific paper
Feb 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jgr....89..769d&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 89, Feb. 1, 1984, p. 769-774. Sponsorship: Swiss National Science Foundat
Physics
16
Interplanetary Magnetic Fields, Particle Acceleration, Solar Cosmic Rays, Solar Protons, Energy Spectra, Explorer 47 Satellite, Explorer 50 Satellite
Scientific paper
Neutron monitor data from the IMP 7 and 8 satellites are used in the present analysis of the cosmic ray events of Nov. 22, 1977, and May 7, 1978, in order to determine the energy spectra of the solar protons from 50 MeV to 10 GeV, together with pitch angle distributions, intensity-time profiles, and anisotropy-time profiles. The solar proton energy spectra obtained agree with the overlapping energy range when the pitch angle distribution is taken into account, and it is noted that the energy spectra covering three decades of energy and eight of intensity, together with their time variations, were very similar for the two events. The May 1978 event is important for the study of solar particle acceleration and their subsequent injection into the interplanetary medium. Although the solar proton propagation of the November 1977 event was diffusive, the solar particle injection was also time-extended and energy-dependent.
Debrunner Hermann
Flueckiger Ervin
Lockwood John A.
McGuire Robert. E.
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