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Abstract: FERMI formely GLAST will shortly provide crucial information onrelativistic particles in galaxy clusters. We discuss non-thermal emission inthe context of general calculations in which relativistic particles protonsand secondary electrons due to proton-proton collisions interact with MHDturbulence generated in the cluster volume during cluster mergers. Diffusecluster-scale radio emission Radio Halos and hard X-rays are produced duringmassive mergers while gamma ray emission, at some level, is expected to becommon in galaxy clusters.



Author: G. Brunetti, P. Blasi, R. Cassano, S. Gabici

Source: https://arxiv.org/



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