Browsing by Author "Arbeláez, Carolina"

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    Long-lived particle phenomenology in one-loop neutrino mass models with dark matter
    (2025) Arbeláez, Carolina; Cottin Buracchio, Giovanna; Helo, Juan C.; Hirsch, Martin; de Melo, Téssio B.
    Neutrino masses and dark matter (DM) might have a common origin. The scotogenic model can be considered the proto-type model realizing this idea, but many other variants exist. In this paper we explore the phenomemology of a particular DM neutrino mass model, containing a triplet scalar. We calculate the relic density and check for constraints from direct detection experiments. The parameter space of the model, allowed by these constraints, contains typically a long-lived or quasi-stable doubly charged scalar, that can be searched for at the LHC. We reinterpret existing searches to derive limits on the masses of the scalars of the model and estimate future sensitivities in the high-luminosity phase of the LHC. The searches we discuss can serve to constrain also many other 1-loop neutrino mass models.