Physical Sciences and Mathematics Commons^™

Heliospheric Influence On The Anisotropy Of Tev Cosmic Rays, Ming Zhang, Pingbing Zuo, Nikolai Pogorelov

Aerospace, Physics, and Space Science Faculty Publications

This paper provides a theory of using Liouville's theorem to map the anisotropy of TeV cosmic rays seen at Earth using the particle distribution function in the local interstellar medium (LISM). The ultimate source of cosmic ray anisotropy is the energy, pitch angle, and spatial dependence of the cosmic ray distribution function in the LISM. Because young nearby cosmic ray sources can make a special contribution to the cosmic ray anisotropy, the anisotropy depends on the source age, distance and magnetic connection, and particle diffusion of these cosmic rays, all of which make the anisotropy sensitive to the particle energy. …