Heavy Neutrino Search via the Higgs boson at the LHC

Understand

In the inverse see-saw model the effective neutrino Yukawa couplings can be sizable due to a large mixing angle between the light $(\nu)$and heavy neutrinos $(N)$.

• When the right handed neutrino $(N)$ can be lighter than the Standard Model (SM) Higgs boson $(h)$.
• It can be produced via the on-shell decay of the Higgs, $h\to N\nu$ at a significant branching fraction at the LHC.
• In such a process $N$ mass can be reconstructed in its dominant $N\rightarrow W \ell$ decays.