Statistics of Giant Radio Halos from Electron Reacceleration Models

  title={Statistics of Giant Radio Halos from Electron Reacceleration Models},
  author={Rossella Cassano and Gianfranco Brunetti and Giancarlo Setti},
The most important evidence of non–thermal phenomena in galaxy clusters comes from Giant Radio Halos (GRHs), spectacular synchrotron radio sources extended over >Mpc scales, detected in the central regions of a growing number of massive galaxy clusters. A promising possibility to explain these sources is given by in situ stochastic reacceleration of relativistic electrons by turbulence generated in the cluster volume during merger events. Cassano & Brunetti (2005) have recently shown that the… CONTINUE READING
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