Soft X-ray Excess in the Coma Cluster from a Cosmic Axion Background
We show that the soft X-ray excess in the Coma cluster can be explained by a cosmic background of relativistic axions converting into photons in the cluster magnetic field. We provide a detailed self-contained review of the cluster soft X-ray excess, the proposed astrophysical explanations and the p...
Main Authors: | Angus, S, Conlon, J, Marsh, M, Powell, A, Witkowski, LT |
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Format: | Journal article |
Language: | English |
Published: |
Institute of Physics Publishing
2013
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