Local superbubble model of cosmic ray propagation

Details Local superbubble model of cosmic ray propagation Local superbubble model of cosmic ray propagation

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983icrc....2..183s&link_type=abstract

IN: International Cosmic Ray Conference, 18th, Bangalore, India, August 22-September 3, 1983, Conference Papers. Volume 2 (A85-2

Physics

1

Cosmic Rays, Energy Spectra, High Energy Interactions, Particle Motion, Anisotropy, High Energy Electrons

Scientific paper

The consequences for cosmic ray phenomena of the solar system being inside a superbubble are explored. The superbubble is found to expand with time, thus causing the contained relativistic cosmic rays to lose energy. The local superbubble model offers a natural explanation for features in the high energy cosmic ray anisotropy and spectrum which occur around 10 to the 15th eV and which are due to failure of the superbubble wall to contain cosmic rays of high energy. In the energy range from 3 x 10 to the 14th eV to 10 to the 17th eV, the direction of the measured anisotropy indicates a net local flow from the nearby wall, whereas above 10 to the 17th eV the anisotropy direction is reversed, indicating a return to net outward flow of cosmic rays toward the local wall.

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