Giant Radio Halos in Galaxy Clusters as Probes of Particle Acceleration in Turbulent Regions |
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Authors: | G Brunetti |
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Institution: | 1.INAF- Istituto di Radioastronomia,Bologna,Italy |
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Abstract: | Giant radio halos in galaxy clusters probe mechanisms of particle acceleration connected with cluster merger events. Shocks
and turbulence are driven in the inter-galactic medium (IGM) during clusters mergers and may have a deep impact on the non-thermal
properties of galaxy clusters. Models of turbulent (re)acceleration of relativistic particles allow good correspondence with
present observations, from radio halos to γ-ray upper limits, although several aspects of this complex scenario still remain poorly understood. |
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Keywords: | |
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