Statistics – Computation
Scientific paper
Aug 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....3..140b&link_type=abstract
In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 3 p 140-143 (SEE N85-34862 23-93)
Statistics
Computation
Cosmic Rays, Electron Diffusion, Electrons, Particle Acceleration, Radio Waves, Supernova Remnants, Synchrotron Radiation, Computation, Distribution (Property), Interstellar Matter, Interstellar Radiation, Magnetic Fields, Models, Predictions, Spectra
Scientific paper
The spectrum of cosmic ray electrons, accelerated in the shock front of a supernova remnant (SNR), is calculated in the test-particle approximation using an onion-shell model. Particle diffusion within the evolving remnant is explicity taken into account. The particle spectrum becomes steeper with increasing radius as well as SNR age. Simple models of the magnetic field distribution allow a prediction of the intensity and spectrum of radio synchrotron emission and their radial variation. The agreement with existing observations is satisfactory in several SNR's but fails in other cases. Radiative cooling may be an important effect, especially in SNR's exploding in a dense interstellar medium.
Beck Rainer
Bogdan Thomas. J.
Drury Luke O'C.
Voelk Heinrich J.
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