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Searching for dark matter in X-rays: how not to check the dark matter origin of a spectral feature
In a recent preprint entitled Searching for dark matter in X-rays: how to check the dark matter origin of a spectral [arXiv:1001.0644v1], the authors have claimed that some archival X-ray data could be used to rule out dark matter in the form of 5-keV sterile neutrinos at the level of …