Vector Boson Fusion Signatures of Superheavy Majorana Neutrinos at Muon Colliders

Parham Dehghani, Mariana Frank, Benjamin Fuks

We investigate the sensitivity of future high-energy muon colliders to heavy Majorana neutrinos, considering both opposite-sign (${\mu }^{+}{\mu }^{-}$) and same-sign (${\mu }^{+}{\mu }^{+}$) collision modes.…