Deep Search for Decaying Dark Matter with XMM-Newton Blank-Sky Observations

Sterile neutrinos with masses in the keV range are well-motivated extensions to the Standard Model that could explain the observed neutrino masses while also making up the dark matter (DM) of the universe. If sterile neutrinos are DM then they may slowly decay into active neutrinos and photons, givi...

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Veröffentlicht in:	Physical review letters 2021-07, Vol.127 (5), p.1-051101, Article 051101
Hauptverfasser:	Foster, Joshua W., Kongsore, Marius, Dessert, Christopher, Park, Yujin, Rodd, Nicholas L., Cranmer, Kyle, Safdi, Benjamin R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomical models ASTRONOMY AND ASTROPHYSICS Dark matter Data search Decay rate Gaussian process Neutrinos particle dark matter sterile neutrinos x ray astronomy XMM (spacecraft)
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