Physics
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983icrc...10..381n&link_type=abstract
IN: International Cosmic Ray Conference, 18th, Bangalore, India, August 22-September 3, 1983, Late Papers. Volume 10 (A85-22801
Physics
Electron Scattering, Interplanetary Magnetic Fields, Proton Scattering, Solar Corpuscular Radiation, Solar Flares, Angular Distribution, Mean Free Path, Pitch (Inclination), Solar Electrons, Solar Protons, Solar Wind
Scientific paper
Further analysis of the 28 March 1976 event has been carried out using the focused transport model, with a Parker spiral interplanetary magnetic field. Fitting the observed pitch-angle distributions has yielded the following conclusions. (1) At helioradius r approximately equal to or less than 0.6 AU, scattering is very weak for both 5 MeV protons (mean free path, 2.3 AU) and 0.5 MeV electrons (mean free path, 1.4 AU). (2) There is a shell of enhanced proton scattering (mean free path, 0.4 AU) centered around 1 AU. (3) The pitch diffusion coefficient has a broad minimum centered around 90 deg pitch angle. (4) For 5 MeV protons, the mean free path increases rapidly beyond a helioradius of about 1.3 AU.
Green Guenter
Kunow Horst
Ng Chee K.
Wibberenz Gerd
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