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Collider signatures of sterile neutrinos in models with a gauge-singlet Higgs
Ian M. Shoemaker, Kalliopi Petraki, Alexander Kusenko
Sterile neutrinos have been invoked to explain the observed neutrino masses, but they can also have significant implications for cosmology and accelerator experiments. We explore t…
Dark Matter from Split Seesaw
Alexander Kusenko, Fuminobu Takahashi, Tsutomu T. Yanagida
The seesaw mechanism in models with extra dimensions is shown to be generically consistent with a broad range of Majorana masses. The resulting democracy of scales implies that the…
Interactions of keV sterile neutrinos with matter
Shin'ichiro Ando, Alexander Kusenko
A sterile neutrino with mass of several keV is a well-motivated dark-matter candidate, and it can also explain the observed velocities of pulsars via anisotropic emission of steril…