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Cornering (quasi) degenerate neutrinos with cosmology
Massimiliano Lattanzi, Martina Gerbino, Katherine Freese +2
In light of the improved sensitivities of cosmological observations, we examine the status of quasi-degenerate neutrino mass scenarios. Within the simplest extension of the standar…
Decaying warm dark matter and structure formation
Jui-Lin Kuo, Massimiliano Lattanzi, Kingman Cheung +1
We examine the cosmology of warm dark matter (WDM), both stable and decaying, from the point of view of structure formation. We compare the matter power spectrum associated to WDM…
The search for decaying Dark Matter
J. W. den Herder, A. Boyarsky, O. Ruchayskiy +15
We propose an X-ray mission called Xenia to search for decaying superweakly interacting Dark Matter particles (super-WIMP) with a mass in the keV range. The mission and its observa…