Physics
Scientific paper
Nov 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976georl...3..689s&link_type=abstract
Geophysical Research Letters, vol. 3, Nov. 1976, p. 689-692.
Physics
3
Charge Exchange, Geomagnetism, Ion Density (Concentration), Magnetic Equator, Magnetic Mirrors, Ring Currents, Atmospheric Models, Computer Techniques, Hydrogen Atoms, Latitude, Magnetic Storms, Satellite Observation, Spatial Distribution
Scientific paper
The dependence of the charge exchange lifetimes on the mirror latitude for ions mirroring off the geomagnetic equator has been re-computed using improved hydrogen distribution models. The Chamberlain model, with the input parameters determined by recent satellite observations, has been used to define the spatial distribution of the neutral hydrogen environment through which the ring current ions traverse. The resultant dependence of the charge exchange lifetime, tau, on mirror latitude, lambda-m, is best fit by the approximation tau-m = tau-e cos 3.5 lambda-m, where tau-e is the charge exchange lifetime for the equatorial particles.
Bewtra N. K.
Smith Paul H.
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