Small-Angle Scattering and Diffusion: Application to Relativistic Shock Acceleration |
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| Authors: | Protheroe RJ Meli A Donea A-C |
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| Institution: | (1) Department of Physics & Mathematical Physics, The University of Adelaide, Adelaide, SA, 5005, Australia;(2) Visiting from Imperial College, London |
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| Abstract: | We investigate ways of accurately simulating the propagation of energetic charged particles over small times where the standard
Monte Carlo approximation to diffusive transport breaks down. We find that a small-angle scattering procedure with appropriately
chosen step-lengths and scattering angles gives accurate results, and we apply this to the simulation of propagation upstream
in relativistic shock acceleration.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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| Keywords: | cosmic rays diffusion theory relativistic shock acceleration |
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