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- W41694890 abstract "view Abstract Citations (69) References (16) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS On the mediation of a shock front by Fermi-accelerated cosmic rays Blandford, R. D. Abstract Fermi acceleration of high-energy cosmic ray particles by the converging fluid flows on either side of a shock front is investigated. The effect of the preshock cosmic ray pressure in mediating the shock compression and thereby the particle acceleration is studied for a shock in which this pressure can be regarded as a perturbation. The resulting spectral distortions are dictated by the energy dependence of the spatial diffusion coefficient and the Mach number of the shock. Examples are computed for diffusion coefficients independent of and proportional to the particle momentum. The implications of these results for the efficiency of the particle acceleration mechanism are briefly discussed. Publication: The Astrophysical Journal Pub Date: May 1980 DOI: 10.1086/157998 Bibcode: 1980ApJ...238..410B Keywords: Cosmic Rays; Energetic Particles; High Energy Interactions; Particle Acceleration; Shock Fronts; Diffusion Coefficient; Energy Spectra; Mach Number; Particle Diffusion; Perturbation Theory; Relativistic Particles; Space Radiation full text sources ADS |" @default.
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- W41694890 date "1980-05-01" @default.
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- W41694890 title "On the mediation of a shock front by Fermi-accelerated cosmic rays" @default.
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