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Rigidity Dependence of Forbush Decreases

Published online by Cambridge University Press:  25 April 2016

M. L. Duldig  and
J. E. Humble
M. L. Duldig
Affiliation:
Australian Antarctic Division, Channel Highway, Kingston, TAS 7050
J. E. Humble
Affiliation:
Physics Department, University of Tasmania, GPO Box 252C, Hobart, TAS 7001
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Abstract

Ina recent paper, Lockwood et al. (1991) have used IMP spacecraft and Neutron Monitor data to consider the rigidity dependence of three large Forbush Decreases over the energy range 50 MeV to 30 GeV. Some of their conclusions are extrapolated to higher energies.

In an earlier paper (Duldig, 1987a), one of us discussed the need to consider the presence of isotropic intensity waves when determining the Forbush Decrease spectrum at energies up to a few hundred GeV. Lockwood et al.’s conclusions are discussed in the light of these results.

Type
High Energy Astrophysics
Information
Publications of the Astronomical Society of Australia , Volume 10 , Issue 1 , 1992 , pp. 24 - 26
Copyright
Copyright © Astronomical Society of Australia 1992

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References

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