# Freeze-in Production of Sterile Neutrino Dark Matter in U(1)$_{\rm B-L}$ Model

27 Sep 2016 Biswas Anirban Gupta Aritra

With the advent of new and more sensitive direct detection experiments, scope for a thermal WIMP explanation of dark matter (DM) has become extremely constricted. The non-observation of thermal WIMP in these experiments has put a strong upper bound on WIMP-nucleon scattering cross section and within a few years it is likely to touch the neutrino floor... (read more)

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