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Accounting for the Unresolved X-ray Background with Sterile Neutrino Dark Matter

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arxiv 0709.0279 v1 pith:J2OCZNMY submitted 2007-09-03 astro-ph

Accounting for the Unresolved X-ray Background with Sterile Neutrino Dark Matter

classification astro-ph
keywords sterilebackgrounddarkfluxmatterneutrinounresolvedx-ray
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We consider a scenario where keV sterile neutrinos constitute all of the currently inferred dark matter abundance, whose radiative decays could potentially account for the flux contributions to the X-ray background attributed to unresolved sources. Here we apply integrated flux methods to results from the observations of the North and South Chandra deep fields in order to deduce constraints on the sterile neutrino mass-mixing parameters.

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