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Cosmic-ray flow lines and energy changes
Authors:G M Webb  L J Gleeson
Institution:(1) Papua New Guinea University of Technology, Lae;(2) Monash University, Clayton, Victoria, Australia
Abstract:In this paper we discuss the particle flow or streaming and energy changes of cosmic rays in the interplanetary region via flow lines in momentum-position space. We consider the steady-state case where particles are released monoenergetically from the Sun or from infinity and study the cosmic-ray lsquotraffic patternrsquo in momentum and position arising from monoenergetic sources. The analysis makes extensive use of the result 
$$\left\langle {\dot p} \right\rangle  = \tfrac{1}{3}pV {\text{ }}G$$
(wherep is the particle momentum,V the solar wind velocity andG the cosmic-ray density gradient) for the mean time rate of change of momentum of cosmic rays reckoned for a fixed volume in a reference frame fixed in the solar system, developed by us in several recent papers.Deceased.
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