Constrains HNL mixing from B to lepton N decays and predicts LNV branching ratios of order 10^{-13} to 10^{-8} for B_c modes at benchmark mixing 10^{-6} and masses 2-3 GeV.
Sterile-neutrinos as dark matter
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Role of heavy neutral lepton in lepton number violating $B$ meson decays
Constrains HNL mixing from B to lepton N decays and predicts LNV branching ratios of order 10^{-13} to 10^{-8} for B_c modes at benchmark mixing 10^{-6} and masses 2-3 GeV.