Physics
Scientific paper
Sep 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jgr....88.6911v&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 88, Sept. 1, 1983, p. 6911-6918. Navy-supported research.
Physics
35
Energetic Particles, Proton Flux Density, Saturn Rings, Cosmic Ray Albedo, Diffusion Coefficient, Magnetospheric Proton Density, Particulates, Pioneer 11 Space Probe, Planetary Magnetospheres, Plasma Lifetime, Saturn, Rings, G Ring, Absorption, Protons, Pioneer 11, Magnetosphere, Cosmic Rays, Albedo, Neutrons, Decay, Source, Diffusion, Satellites, 1979 S2, 1980 S3, 1980 S1, Coorbitals, Radii, Mass, Density, Ratios, Distribution, Optical Properties, Opacity
Scientific paper
A reexamination of Pioneer 11 data for the distribution of energetic protons in Saturn's inner magnetosphere has yielded an improved value for the ratio of the cosmic ray albedo neutron decay source strength to the radial diffusion coefficient, and the use of the Blake et al. (1983) lower limit on the source strength is used to find an upper limit on the mean residence time against diffusion. By means of Voyager data on normal optical opacity and radial width, it is found that the particulates in Saturn's Ring G have an efective radius of more than about 0.035 cm, an areal mass density of 1.4 x 10 to the -6th g/sq cm, and an areal number density of 0.008/sq cm. It is reasonably certain that there are no satellites having a radius of the order of 1 km or larger associated with Ring G.
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