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Abstract: We consider a scenario where keV sterile neutrinos constitute all of thecurrently inferred dark matter abundance, whose radiative decays couldpotentially account for the flux contributions to the X-ray backgroundattributed to unresolved sources. Here we apply integrated flux methods toresults from the observations of the North and South Chandra deep fields inorder to deduce constraints on the sterile neutrino mass-mixing parameters.



Author: Daniel Cumberbatch, Joseph Silk

Source: https://arxiv.org/







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