Phenomenology of flavor symmetric scoto-seesaw mechanism (Dr. Biswajit Karmakar)

Описание к видео Phenomenology of flavor symmetric scoto-seesaw mechanism (Dr. Biswajit Karmakar)

We present a novel hybrid scoto-seesaw mechanism incorporating $A_4$ non-Abelian discrete flavor symmetry, explaining light neutrino masses through both tree-level type-I seesaw and one-loop scotogenic mechanisms. This unique construction accommodates viable dark matter candidates, correlating with observed relic abundance. With a single right-handed neutrino, the framework predicts specific features such as the normal ordering of light neutrino masses, a massless lightest neutrino, and a single relevant CP Majorana phase. The model offers insights into dark matter phenomenology and collider studies, including predictions for diphoton decay channels and testable signals for various lepton decays.

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