Accelerated Particles from Shocks Formed in Merging Clusters of Galaxies

Details Accelerated Particles from Shocks Formed in Merging Clusters of Galaxies Accelerated Particles from Shocks Formed in Merging Clusters of Galaxies

2001-07-12

arxiv.org/abs/astro-ph/0107227v1

Astronomy and Astrophysics

Astrophysics

5 pages, 2 figures, AIP conf. series in press (2001)

Scientific paper

10.1063/1.1419440

Subcluster interactions within clusters of galaxies produce shocks that accelerate nonthermal particles. We treat Fermi acceleration of nonthermal electrons and protons by injecting power-law distributions of particles during the merger event, subject to constraints on maximum particle energies. The broadband nonthermal spectrum emitted by accelerated electrons and protons is calculated during and following the subcluster interaction for a standard parameter set. The intensity of gamma-ray emission from primary and secondary processes is calculated and discussed in light of detection capabilities at radio and gamma-ray energies.

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