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The presence of small neutrino masses and flavour mixings can be accountedfor naturally in various models about extensions of the standard model,particularly in the seesaw mechanism models. In this work, we present aminimally extended seesaw framework with two right-handed neutrinos, where theactive neutrino masses are derived in the radiative regime. Using the frameworkit can be shown that within certain mass limits, the light neutrino mass termcan approach a form that is similar to its form under the type-I seesawmechanism. Apart from this, we show that the decay width of right-handedneutrinos (produced through the decay of W boson in a particle collider) isshort enough to cause a sufficiently long lifetime for the particles, thusensuring an observable displacement in the LHC between the production and decayvertices. We comment on the fact that these displaced vertex signatures thuscan serve as a means to verify the existence of these right-handed neutrinos infuture experiments. Lastly, we line up the possibility of our future work wherethe vertex signatures of particles greater than the mass of W boson can beworked upon.

LHC signatures of sterile neutrinos in a minimal radiative extended seesaw framework