Approximate supernova remnant dynamics with cosmic ray production

Details Approximate supernova remnant dynamics with cosmic ray production Approximate supernova remnant dynamics with cosmic ray production

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....3..148v&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 3 p 148-151 (SEE N85-34862 23-93)

Physics

Cosmic Rays, Particle Acceleration, Radiation Sources, Supernova Remnants, Compression Ratio, Cooling, Models, Momentum, Plasmas (Physics), Spectra

Scientific paper

Supernova explosions are the most violent and energetic events in the galaxy and have long been considered probably sources of Cosmic Rays. Recent shock acceleration models treating the Cosmic Rays (CR's) as test particles nb a prescribed Supernova Remnant (SNR) evolution, indeed indicate an approximate power law momentum distribution fsource (p) approximation p(-a) for the particles ultimately injected into the Interstellar Medium (ISM). This spectrum extends almost to the momentum p = 1 million GeV/c, where the break in the observed spectrum occurs. The calculated power law index approximately less than 4.2 agrees with that inferred for the galactic CR sources. The absolute CR intensity can however not be well determined in such a test particle approximation.

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