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arXiv · 1304.1945

Neutron-Proton-Converter Acceleration Mechanism at Subphotospheres of Relativistic Outflows

Kazumi Kashiyama·Kohta Murase·Peter Mészáros
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Abstract

We study a type of particle acceleration that operates via neutron-proton conversion in inelastic nuclear collisions. This mechanism can be expected for relativistic shocks at subphotospheres if relativistic outflows contain neutrons. Using a test-particle approximation, we numerically calculate the energy spectrum and the efficiency of accelerated particles, and show that a good energy fraction of the nucleons can be accelerated. This mechanism may especially be relevant if the shock is radiation-mediated, and it would enhance the detectability of GeV-TeV neutrinos.

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Kazumi Kashiyama, Kohta Murase, Peter Mészáros. 2013-04-07. Neutron-Proton-Converter Acceleration Mechanism at Subphotospheres of Relativistic Outflows. https://doi.org/10.1103/physrevlett.111.131103

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