The acceleration of fast particles at the front of a spherical shock wave

Details The acceleration of fast particles at the front of a spherical shock wave The acceleration of fast particles at the front of a spherical shock wave

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981azh....58..779p&link_type=abstract

Astronomicheskii Zhurnal, vol. 58, July-Aug. 1981, p. 779-789. In Russian.

Astronomy and Astrophysics

Astronomy

12

Cosmic Rays, Particle Acceleration, Shock Fronts, Spherical Waves, Stellar Envelopes, Supernovae, Distribution Functions, Particle Energy, Particle Motion, Power Spectra

Scientific paper

The mechanism for the acceleration of particles at the front of a shock wave is discussed, with consideration given to the dispersion of particles ahead of the front. For the special law governing the motion of the shock, a nonstationary function for the distribution of particles on the basis of momentum is found. Conditions are identified under which the effect of the spherical front on the index of the universal power spectrum of accelerated particles is small. A law is given for the increase in the maximum momentum of the particles with time. The possibility of cosmic ray acceleration in supernova shells is discussed.

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