Physics
Scientific paper
Sep 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987p%26ss...35.1117r&link_type=abstract
Planetary and Space Science, Volume 35, Issue 9, p. 1117-1122.
Physics
26
Scientific paper
We have developed a matrix approach to the application of the Diffusion-Convection Model (DCM) of cosmic ray transport to high rigidity (R) particles detected at the Earth. The equations are treated parametrically in terms of the product of ``coupled variables'' in order to deduce the behavior of the heliospheric transport parameters during 1973-1979. The variables can be uncoupled only by using additional information about the heliosphere. Assuming an R2 rigidity-dependence for K as suggested by Jokipii (1971, Rev. Geophys. Space Phys. 9, 27), we show that the resultant radial gradients (Gr) come out to be extremely small. We conclude that the rigidity dependence for K must be considerably flatter. It appears that the diurnal variation observed at Embudo during 1976 may require a contribution from the charged particle drifts. Our results are discussed.
Now on leave at: NASA Headquarters, Code EZH, Washington, DC 20546, U.S.A.
Ahluwalia Harjit S.
Riker James F.
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