Particle acceleration at multiple internal relativistic shocks |
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| Authors: | Paul Dempsey Peter Duffy |
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| Institution: | (1) UCD School of Mathematical Sciences, University College Dublin, Belfield, Dublin, 4, Ireland |
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| Abstract: | Relativistic shocks provide an efficient method for high-energy particle acceleration in many astrophysical sources. Multiple
shock systems are even more effective and of importance, for example, in the internal shock model of gamma-ray bursts. We
investigate the reacceleration of pre-existing energetic particles at such relativistic internal shocks by the first order
Fermi process of pitch angle scattering. We use a well established eigenfunction method to calculate the resulting spectra
for infinitely thin shocks. Implications for GRBs and relativistic jets are discussed.
Paul Dempsey would like to thank IRCSET for their financial support. |
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| Keywords: | Particle acceleration Relativistic shocks Internal shocks |
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